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| Product | Description | |
|---|---|---|
| Progesterone Impurity 71 | Progesterone Impurity 71. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13258-85-0. Molecular formula: C22H30O2. Mole weight: 326.48. Catalog: APB13258850. |  |
| Medroxyprogesterone Acetate EP Impurity G | Medroxyprogesterone Acetate EP Impurity G is a synthetic progesteronal agent with an IC50 of 260 μM for the inhibition of HepG2. Medroxyprogesterone Acetate EP Impurity G is a manufactured hormone of the progestin type. Synonyms: Medroxyprogesterone Acetate Impurity G; 6-Methyl-3,20-dioxopregna-4,6-dien-17-yl acetate; Megestrol acetate; Pregna-4,6-diene-3,20-dione, 17-(acetyloxy)-6-methyl-; 17-(Acetyloxy)-6-methylpregna-4,6-diene-3,20-dione; Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-methyl-, acetate; 17-Acetoxy-6-methylpregna-4,6-diene-3,20-dione; 17-Hydroxy-6-methylpregna-4,6-diene-3,20-dione acetate; 17α-Acetoxy-6-dehydro-6-methylprogesterone; 17α-Acetoxy-6-methylpregna-4,6-diene-3,20-dione; 17α-Hydroxy-6-methylpregna-4,6-diene-3,20-dione acetate; 6-Dehydro-6-methyl-17α-acetoxyprogesterone; 6-Methyl-17α-acetoxy-4,6-pregnadiene-3,20-dione; 6-Methyl-17α-hydroxy-Δ6-progesterone acetate; 6-Methyl-6-dehydro-17α-acetoxyprogesterone; 6-Methyl-Δ4,6-pregnadien-17α-ol-3,20-dione acetate; BDH 1298; DMAP; Magestin; Maygace; Megace; Megalia; Megeron; Megestat; Megestil; Megestin; Megestryl acetate; MGA; Nia; Niagestin; NSC 71423; Ovaban; Ovarid; Medroxy Progesterone EP Impurity G. Grade: 98%. CAS No. 595-33-5. Molecular formula: C24H32O4. Mole weight: 384.51. |  |
| Progesterone 20-Hydroxy Impurity | Progesterone 20-Hydroxy Impurity. Uses: For analytical and research use. Group: Impurity standards. CAS No. 151122-70-2. Molecular formula: C22H32O3. Mole weight: 344.49. Catalog: APB151122702. | |
| Progesterone EP Impurity B | A metabolite of Progesterone.Progesterone is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. Progesterone is also a crucial metabolic intermediate in the production of other endogenous steroids, including the sex hormones and the corticosteroids, and plays an important role in brain function as a neurosteroid. Uses: Progestins. Synonyms: (20S)-20-hydroxypregn-4-en-3-one; Pregn-4-en-3-one, 20-hydroxy-, (20S)-; Pregn-4-en-3-one, 20α-hydroxy-; 20(S)-Hydroxyprogesterone; 20-Hydroxypregn-4-en-3-one; 20α-Dihydroprogesterone; 20α-Hydroxy-4-pregnen-3-one; 20α-Hydroxy-Δ4-pregnen-3-one; 20α-Hydroxydihydroprogesterone; 20α-Hydroxypregn-4-en-3-one; 20α-Hydroxyprogesterone; 20α-Progerol; 4-Pregnen-3-one-20α-ol; NSC 68630; Pregn-4-en-20α-ol-3-one; Pregn-4-ene-20α-ol-3-one; Progesterol-20α; Δ4-Pregnene-20α-ol-3-one; Δ4-Pregnen-20α-ol-3-one. Grade: ≥95%. CAS No. 145-14-2. Molecular formula: C21H32O2. Mole weight: 316.49. | |
| 11-ent-Mifepristone | 11-ent-Mifepristone is an enantiomic impurity of Mifepristone, a progesterone receptor antagonist with partial agonist activity. Synonyms: (11α,17β)--11-[4-(Dimethylamino)phenyl]-17-hydroxy-17-(1-propyn-1-yl)estra-4,9-dien-3-one. Grade: > 95%. Molecular formula: C29H35NO2. Mole weight: 429.59. | |
| 1,2-Dehydroprogesterone | 1,2-Dehydroprogesterone is a progesterone impurity which displays anti-flu virus effects. Also used int he preparation of cytotoxic agents with steroidal derivatives. Group: Biochemicals. Grades: Highly Purified. CAS No. 1162-54-5. Pack Sizes: 5mg, 10mg. Molecular Formula: C21H28O2. US Biological Life Sciences. |  Worldwide |
| 1,2-Dehydroprogesterone | 1,2-Dehydroprogesterone. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: NSC 63538, Progesterone Imp. J (EP), ?1-Progesterone,Pregna-1,4-diene-3,20-dione, 1-Dehydroprogesterone, 1,2-Dehydroprogesterone. CAS No. 1162-54-5. IUPAC Name: (8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one. Molecular formula: C21H28O2. Mole weight: 312.45. Catalog: APS1162545. SMILES: CC(=O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@]4(C)[C@H]3CC[C@]12C. Format: Neat. | |
| (13S)-Ethyl-18,19-dinorpregna-4,14,16-triene-3,20-dione | (13S)-Ethyl-18,19-dinorpregna-4,14,16-triene-3,20-dione is an impurity in the synthesis of Gestodene (G368250), an active gestogen with progesterone-like profile of activity. Group: Biochemicals. Alternative Names: (13S) -17-Acetyl-13-ethyl-6, 7, 8, 9, 10, 11, 12, 13-octahydro-1H-cyclopenta [a]phenanthren-3 (2H) -one. Grades: Highly Purified. CAS No. 932388-88-0. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| (13S)-Ethyl-18,19-dinorpregna-4,14,16-triene-3,20-dione | An impurity of Gestodene, which is a synthetic progesterone used primarily in female contraceptives and menopausal hormone therapy. Synonyms: (13S)-17-Acetyl-13-ethyl-6,7,8,9,10,11,12,13-octahydro-1H-cyclopenta[a]phenanthren-3(2H)-one; Gestodene Related Compound 10; 13-Ethyl-18,19-dinorpregna-4,14,16-triene-3,20-dione; (8R,9R,10R,13S)-17-Acetyl-13-ethyl-1,2,6,7,8,9,10,11,12,13-decahydro-3H-cyclopenta[a]phenanthren-3-one. Grade: ≥95%. CAS No. 932388-88-0. Molecular formula: C21H26O2. Mole weight: 310.43. | |
| (13S)-Ethyl-18,19-dinorpregna-5,14,16-triene-3,20-dione | (13S)-Ethyl-18,19-dinorpregna-5,14,16-triene-3,20-dione is an impurity in the synthesis of Gestodene (G368250), an active gestogen with progesterone-like profile of activity. Group: Biochemicals. Alternative Names: (13S) -17-Acetyl-13-ethyl-4, 6, 7, 8, 9, 11, 12, 13-octahydro-1H-cyclopenta [a]phenanthren-3 (2H) -one. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| 15α-Acetoxy-gestodene | 15α-Acetoxy-gestodene is an impurity of Gestodene (G368250), an orally active gestogen with progesterone-like profile of activity. Used in combination with estrogen as oral contraceptive. Group: Biochemicals. Grades: Highly Purified. CAS No. 267650-77-1. Pack Sizes: 10mg, 25mg. Molecular Formula: C23H30O4, Molecular Weight: 370.48. US Biological Life Sciences. | Worldwide |
| 16-Bromo-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one Cyclic 1,2-Ethanediyl Acetal. | 16-Bromo-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one Cyclic 1,2-Ethanediyl Acetal is an impurity in the synthesis of Gestodene (G368250), an active gestogen with progesterone-like profile of activity. Group: Biochemicals. Grades: Highly Purified. CAS No. 171035-03-3. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| 16-Dehydroprogesterone | 16-Dehydroprogesterone. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Pregna-4,16-diene-3,20-dione, 16-Dehydroprogesterone, 16,17-Didehydroprogesterone, ?4,16-Pregnadiene-3,20-dione, NSC 11037, 3,20-Dioxopregna-4,16-diene, NSC 9785, ?16-Progesterone. CAS No. 1096-38-4. IUPAC Name: (8R,9S,10R,13S,14S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15-decahydrocyclopenta[a]phenanthren-3-one. Molecular formula: C21H28O2. Mole weight: 312.45. Catalog: APS1096384. SMILES: CC(=O)C1=CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C. Format: Neat. Shipping: Room Temperature. | |
| 17-(Acetyloxy)-3-ethoxy-pregna-3,5-dien-20-one | Intermediate in the preparation of Progesterone impurity. Group: Biochemicals. Alternative Names: 3-Ethoxy-17-hydroxy-pregna-3,5-dien-20-one Acetate. Grades: Highly Purified. CAS No. 16319-93-0. Pack Sizes: 250mg. US Biological Life Sciences. | Worldwide |
| 17-alfa,20-beta-Dihydroxy Progesterone | 17-alfa,20-beta-Dihydroxy Progesterone. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (8R,9S,10R,13S,14S,17R)-17-hydroxy-17-((R)-1-hydroxyethyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one. CAS No. 1662-06-2. Molecular formula: C21H32O3. Mole weight: 332.48. Catalog: APB1662062. | |
| (17 β)-13-Ethyl-3-methoxygona-1,3,5(10),15-tetraen-17-ol | (17 β)-13-Ethyl-3-methoxygona-1,3,5(10),15-tetraen-17-ol is an impurity of Gestodene (G368250), an orally active gestogen with progesterone-like profile of activity. Used in combination with estrogen as oral contraceptive. Group: Biochemicals. Grades: Highly Purified. CAS No. 59126-63-5. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| (17 β)-13-Ethyl-3-methoxy-gona-2,5(10),15-trien-17-ol | (17 β)-13-Ethyl-3-methoxy-gona-2,5(10),15-trien-17-ol is an impurity of Gestodene (G368250), an orally active gestogen with progesterone-like profile of activity. Used in combination with estrogen as oral contraceptive. Group: Biochemicals. Alternative Names: (13S, 17S) -13-Ethyl-3-methoxy-4, 6, 7, 8, 9, 11, 12, 13, 14, 17-decahydro-1H-cyclopenta [a]phenanthren-17-ol. Grades: Highly Purified. CAS No. 119054-15-8. Pack Sizes: 2.5mg. US Biological Life Sciences. | Worldwide |
| 17 β-Hydroxy-17-(1-propynyl)estra-5(10),9(11)-dien-3-one | 17 β-Hydroxy-17-(1-propynyl)estra-5(10),9(11)-dien-3-one is an impurity of Mifepristone (M343975), a progesterone receptor antagonist with partial agonist activity. Abortifacient. Group: Biochemicals. Grades: Highly Purified. CAS No. 10109-53-2. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C21H26O2, Molecular Weight: 310.43. US Biological Life Sciences. | Worldwide |
| 17 β-Hydroxy-17-ethyl-estra-5(10),9(11)-dien-3-one Cyclic 1,2 Ethanediyl Acetal | 17 β-Hydroxy-17-ethyl-estra-5(10),9(11)-dien-3-one Cyclic 1,2 Ethanediyl Acetal is an impurity of Mifepristone (M343975), a progesterone receptor antagonist with partial agonist activity. Abortifacient. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C22H32O3, Molecular Weight: 344.49. US Biological Life Sciences. | Worldwide |
| 17 β-Hydroxy-17-ethyl-estra-5(10),9(11)-dien-3-one Cyclic 1,2 Ethanediyl Acetal-d5 | Isotope labelled 17 β-Hydroxy-17-ethyl-estra-5(10),9(11)-dien-3-one Cyclic 1,2 Ethanediyl Acetal is an impurity of Mifepristone (M343975), a progesterone receptor antagonist with partial agonist activity. Abortifacient. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C22H27D5O3, Molecular Weight: 349.52. US Biological Life Sciences. | Worldwide |
| 17-Desacetyl Norgestimate-3-acetate-[2,2,4,6,6,10-d6] | 17-Desacetyl Norgestimate-3-acetate-[2,2,4,6,6,10-d6] is the labelled analogue of 17-Desacetyl Norgestimate-3-acetate, which is an impurity of Norgestimate. Norgestimate is a form of progesterone used with estradiol to treat the symptoms of menopause. Synonyms: 17-Desacetyl Norgestimate-3-acetate-2,2,4,6,6,10-D6; 17-Desacetyl Norgestimate-3-acetate-D6. Grade: ≥97% by HPLC; >98% atom D. Molecular formula: C23H25D6NO3. Mole weight: 375.54. | |
| 17-Hydroxyprogesterone Cyclic 20-(Ethylene Acetal) | 17-Hydroxyprogesterone Cyclic 20-(Ethylene Acetal) is an impurity formed in the synthesis of Medroxy Progesterone 17-Acetate, an progesterone related compound used as an injectable contraceptive. Group: Biochemicals. Grades: Highly Purified. CAS No. 70410-76-3. Pack Sizes: 25mg, 100mg. Molecular Formula: C23H34O4. US Biological Life Sciences. | Worldwide |
| 17-MethyI-18-norandrosta-5,13(17)-dien-3 β-ol 3-Acetate | 17-MethyI-18-norandrosta-5,13(17)-dien-3 β-ol 3-Acetate s an impurity of Pregnenolone (P712200) which is a steroid hormone involved in the steroidogenesis of progesterone, mineralocorticoids, glucocorticoids, androgens, and estrogens. As such it is a prohormone. Pregnenolone is a GABAA antagonist and increases neurogenesis in the hippocampus. It is a modulator of cytochrome P 450-3A. Group: Biochemicals. Grades: Highly Purified. CAS No. 23930-63-4. Pack Sizes: 2.5mg, 25mg. Molecular Formula: C21H30O2. US Biological Life Sciences. | Worldwide |
| 17- ( (Trimethylsilyl) ethynyl) -17- ( (trimethylsilyl) oxy) -2-isopropanol Gestodene | 17- ( (Trimethylsilyl) ethynyl) -17- ( (trimethylsilyl) oxy) -2-isopropanol Gestodene is an intermediate in the synthesis of 2-Isopropanol Gestodene which is an impurity of Gestodene (G368250), an orally active steroid that exhibits progesterone (P755900) -like profile of activity. Gestodene have been used in combination with estrogen as an oral contraceptive. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C30H48O3Si2. US Biological Life Sciences. | Worldwide |
| 17- ( (Trimethylsilyl) ethynyl) -17- ( (trimethylsilyl) oxy) Gestodene | 17- ( (Trimethylsilyl) ethynyl) -17- ( (trimethylsilyl) oxy) Gestodene is an intermediate in the synthesis of 2-Isopropanol Gestodene which is an impurity of Gestodene (G368250), an orally active steroid that exhibits progesterone (P755900) -like profile of activity. Gestodene have been used in combination with estrogen as an oral contraceptive. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 25mg, 50mg. Molecular Formula: C27H42O2Si2. US Biological Life Sciences. | Worldwide |
| 20Beta-Dihydroprogesterone | 20Beta-Dihydroprogesterone. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Progesterone Imp. C (EP), 20(R)-Hydroxy Progesterone,(20R)-20-Hydroxypregn-4-en-3-one. CAS No. 145-15-3. Pack Sizes: 10MG. IUPAC Name: (8S,9S,10R,13S,14S,17S)-17-[(1R)-1-hydroxyethyl]-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one. Molecular formula: C21H32O2. Mole weight: 316.48. Catalog: APS145153A. SMILES: C[C@@H](O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C. Format: Neat. Shipping: Room Temperature. | |
| (20S)-21-Hydroxy-20-methylpregn-4-en-3-one | An impurity of Stigmasterol. Stigmasterol is an unsaturated phytosterol and used as a precursor in the manufacture of semisynthetic progesterone. Synonyms: 23,24-Bisnorchol-4-en-3-on-22-ol; 3-keto-23,24-Bisnorchol-4-en-22-ol. Grade: > 95%. CAS No. 40736-33-2. Molecular formula: C22H34O2. Mole weight: 330.5. | |
| (20S)?-3-?oxo-Pregna-?1,?4-?diene-?20-?carboxaldehyde | An impurities of Progesterone.Progesterone is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. Progesterone is also a crucial metabolic intermediate in the production of other endogenous steroids, including the sex hormones and the corticosteroids, and plays an important role in brain function as a neurosteroid. Synonyms: Progesterone Impurity I. Grade: > 95%. CAS No. 81201-82-3. Molecular formula: C22H32O2. Mole weight: 328.5. | |
| 21-Deoxy Cortisol | 21-Deoxy Cortisol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Progesterone, 11?,17-dihydroxy- (6CI), 11?,17?-Dihydroxyprogesterone,Pregn-4-ene-3,20-dione, 11,17-dihydroxy-, (11?)-, 11?,17?-Dihydroxypregn-4-ene-3,20-dione, 21-Deoxyhydrocortisone, 21-Deoxycortisol, 21-Dehydrohydrocortisone, Pregn-4-ene-3,20-dione, 11?,17-dihydroxy- (8CI), Pregn-4-ene-11?,17?-diol-3,20-dione, 21-Desoxycortisol. CAS No. 641-77-0. IUPAC Name: (8S,9S,10R,11S,13S,14S,17R)-17-acetyl-11,17-dihydroxy-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one. Molecular formula: C21H30O4. Mole weight: 346.46. Catalog: APS641770. SMILES: CC(=O)[C@@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3[C@@H](O)C[C@]12C. Format: Neat. | |
| 3β-Cholic Acid | 3β-Cholic Acid is a primary bile acid that plays a crucial role in the digestion and absorption of dietary fats. It is synthesized in the liver from cholesterol and is secreted into the intestine as part of bile. Cholic acid emulsifies fats, breaking them down into smaller droplets, which increases the surface area for digestive enzymes to act upon. This process is essential for the efficient absorption of fats and fat-soluble vitamins. Additionally, cholic acid is involved in the regulation of cholesterol metabolism and has been studied for its potential role in various metabolic processes. Uses: Possible progesterone metabolite. Synonyms: Cholan-24-oic acid, 3,7,12-trihydroxy-, (3β,5β,7α,12α)-; (3β,5β,7α,12α)-3,7,12-Trihydroxycholan-24-oic acid; 3β,7α,12α-Trihydroxy-5β-cholan-24-oic acid; 3-Epicholic acid; 3Beta-Cholic Acid; 3β,7α,12α-Trihydroxy-5β-cholanic acid; 3β,7α,12α-Trihydroxy-5β-cholanoic acid; Ursodeoxycholic Acid Impurity 27; (5β)-3β,7α,12α-trihydroxy-cholan-24-oic acid; 3β-Epicholic Acid. Grade: ≥95%. CAS No. 3338-16-7. Molecular formula: C24H40O5. Mole weight: 408.57. | |
| 3-Methoxy-18-methyl-1,3,5(10)-estratrien-17 β-ol | 3-Methoxy-18-methyl-1,3,5(10)-estratrien-17 β-ol is an impurity of Gestodene (G368250), an orally active gestogen with progesterone-like profile of activity. Used in combination with estrogen as oral contraceptive. Group: Biochemicals. Alternative Names: 3-Methoxy-13 β-ethyl-1,3,5(10)-gonatrien-17 β-ol; 13-Ethyl-3-methoxygona-1,3,5(10)-trien-17 β-ol; (17 β)-13-Ethyl-3-methoxygona-1,3,5(10)-trien-17-ol. Grades: Highly Purified. CAS No. 3625-82-9. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| 6,7-Dehydro-17α-acetoxy Progesterone | Progesterone impurity. Group: Biochemicals. Alternative Names: 17-(Acetyloxy)pregna-4,6-diene-3,20-dione; 17-Hydroxypregna-4,6-diene-3,20-dione Acetate. Grades: Highly Purified. CAS No. 425-51-4. Pack Sizes: 100mg. US Biological Life Sciences. | Worldwide |
| 6Alpha-Chloro-17-acetoxy Progesterone | 6Alpha-Chloro-17-acetoxy Progesterone. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Progesterone, 6?-chloro-17-hydroxy-, acetate (6CI), Hydromadinone acetate, (6?)-17-(Acetyloxy)-6-chloropregn-4-ene-3,20-dione, 6?-Chloro-17-hydroxyprogesterone acetate, NSC 33170, 6?-Chloro-17-acetoxyprogesterone, 6?-Chloro-17?-acetoxyprogesterone, 6?-Chloro-3,20-dioxopregn-4-en-17-yl acetate,Pregn-4-ene-3,20-dione, 17-(acetyloxy)-6-chloro-, (6?)-, 17-Acetoxy-6?-chloropregn-4-ene-3,20-dione, Pregn-4-ene-3,20-dione, 6?-chloro-17-hydroxy-, acetate (7CI,8CI). CAS No. 2477-73-8. Pack Sizes: 1MG. IUPAC Name: [(6S,8R,9S,10R,13S,14S,17R)-17-acetyl-6-chloro-10,13-dimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate. Molecular formula: C23H31ClO4. Mole weight: 406.94. Catalog: APS2477738. SMILES: CC(=O)O[C@@]1(CC[C@H]2[C@@H]3C[C@H](Cl)C4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C)C(=O)C. Format: Neat. Shipping: Blue Ice. | |
| 6α-Chloro-17-acetoxy Progesterone (contains ~10% 6- β isomer) | Progesterone impurity. Group: Biochemicals. Alternative Names: (6α)-17-(Acetyloxy)-6-chloropregn-4-ene-3,20-dione; 6α-Chloro-17-hydroxypregn-4-ene-3,20-dione Acetate; 6α-Chloro-17-hydroxyprogesterone Acetate; Hydromadinone Acetate; NSC 33170. Grades: Highly Purified. CAS No. 2477-73-8. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| 6α-Hydroxy Gestodene | An impurity of Gestodene, which is a synthetic progesterone used primarily in female contraceptives and menopausal hormone therapy. Synonyms: 6Alpha-Hydroxy Gestodene; (6S,8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-6,17-dihydroxy-1,2,6,7,8,9,10,11,12,13,14,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one; 13-Ethyl-6alpha,17-dihydroxy-18,19-dinor-17alpha-pregna-4,15-dien-20-yn-3-one. Grade: ≥95%. Molecular formula: C21H26O3. Mole weight: 326.43. | |
| 6α-Hydroxy Medroxy Progesterone 17-Acetate | 6α-Hydroxy Medroxy Progesterone 17-Acetate is an impurity of Medroxyprogesterone Acetate, which is a progestin-type hormonal drug used in menopausal hormone therapy and progestogen-only birth control. Synonyms: Medroxy Progesterone EP Impurity A; (6α)-17-(Acetyloxy)-6-hydroxy-6-methylpregn-4-ene-3,20-dione; 6α,17-Dihydroxy-6-methylpregn-4-ene-3,20-dione 17-Acetate; 6α-Hydroxymedroxyprogesterone 17-Acetate; Pregn-4-ene-3,20-dione, 17-(acetyloxy)-6-hydroxy-6-methyl-, (6α)-; Pregn-4-ene-3,20-dione, 6α,17-dihydroxy-6-methyl-, 17-acetate. Grade: ≥95%. CAS No. 984-46-3. Molecular formula: C24H34O5. Mole weight: 402.52. | |
| 6Alpha-Hydroxy Medroxy Progesterone 17-Acetate | 6Alpha-Hydroxy Medroxy Progesterone 17-Acetate. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Pregn-4-ene-3,20-dione, 17-(acetyloxy)-6-hydroxy-6-methyl-, (6?)- (9CI), 6?-Hydroxymedroxyprogesterone 17-acetate, Pregn-4-ene-3,20-dione, 6?,17-dihydroxy-6-methyl-, 17-acetate (7CI,8CI), 6?-Hydroxymedroxyprogesterone acetate. CAS No. 984-46-3. Pack Sizes: 10MG. IUPAC Name: [(6S,8R,9S,10R,13S,14S,17R)-17-acetyl-6-hydroxy-6,10,13-trimethyl-3-oxo-1,2,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl] acetate. Molecular formula: C24H34O5. Mole weight: 402.52. Catalog: APS984463. SMILES: CC(=O)O[C@@]1(CC[C@H]2[C@@H]3C[C@](C)(O)C4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C)C(=O)C. Format: Neat. Shipping: Room Temperature. | |
| 6beta-Chloro-17-Acetoxy progesterone | 6beta-Chloro-17-Acetoxy progesterone. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6beta-Chloro-17-Acetoxy Progesterone; [(6R,8R,9S,10R,13S,14S,17R)-17-Acetyl-6-Chloro-10,13-Dimethyl-3-Oxo-2,6,7,8,9,11,12,14,15,16-Decahydro-1H-Cyclopenta[A]Phenanthren-17-Yl] Acetate; ZINC5434441; 6; A-Chloro-17-Acetoxy Progesterone. CAS No. 2658-74-4. Pack Sizes: 10MG. IUPAC Name: [(6S,8R,9S,10R,13S,14S,17R)-17-acetyl-6-chloro-10,13-dimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate. Molecular formula: C23H31ClO4. Mole weight: 406.94. Catalog: APS2658744. SMILES: CC(=O)O[C@@]1(CC[C@H]2[C@@H]3C[C@H](Cl)C4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C)C(=O)C. Format: Neat. | |
| 6Beta-Hydroxy Medroxy Progesterone 17-Acetate | 6Beta-Hydroxy Medroxy Progesterone 17-Acetate. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6beta-Hydroxy-6-methyl-3,20-dioxopregn-4-en-17-yl Acetate, Pregn-4-ene-3,20-dione, 6beta,17-dihydroxy-6-methyl-, 17-acetate (7CI,8CI), (6beta)-17-(Acetyloxy)-6-hydroxy-6-methylpregn-4-ene-3,20-dione, Pregn-4-ene-3,20-dione, 17-(acetyloxy)-6-hydroxy-6-methyl-, (6beta)-, Medroxyprogesterone Acetate Imp. A (EP), 6beta-Hydroxymedroxyprogesterone Acetate. CAS No. 984-47-4. Pack Sizes: 10MG. IUPAC Name: [(6R,8R,9S,10R,13S,14S,17R)-17-acetyl-6-hydroxy-6,10,13-trimethyl-3-oxo-1,2,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl] acetate. Molecular formula: C24H34O5. Mole weight: 402.52. Catalog: APS984474. SMILES: CC(=O)O[C@@]1(CC[C@H]2[C@@H]3C[C@@](C)(O)C4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C)C(=O)C. Format: Neat. Shipping: Room Temperature. | |
| 6-Bromo-6-dehydro-17α-acetoxy Progesterone | Progesterone impurity. Uses: Progesterone (p755900) impurity. Synonyms: Chlormadinone Acetate EP Impurity E. Grade: 97%. CAS No. 15251-04-4. Molecular formula: C23H29BrO4. Mole weight: 449.39. | |
| 6-Bromo-6-dehydro-17α-acetoxy Progesterone. | Progesterone impurity. Group: Biochemicals. Alternative Names: 17-(Acetyloxy)-6-bromopregna-4,6-diene-3,20-dione; 6-Bromo-17-hydroxypregna-4,6-diene-3,20-dione Acetate. Grades: Highly Purified. CAS No. 15251-04-4. Pack Sizes: 10mg. US Biological Life Sciences. | Worldwide |
| 6-Bromo-6-dehydro-17Alpha-acetoxy Progesterone | 6-Bromo-6-dehydro-17Alpha-acetoxy Progesterone. Uses: For analytical and research use. Group: Impurity standards. CAS No. 15251-04-4. Pack Sizes: 10MG. Molecular formula: C23H29BrO4. Mole weight: 449.38. Catalog: APS15251044. Format: Neat. Shipping: Room Temperature. | |
| 6-Bromo-delta 6-chloro-acetoxyprogesterone | An impurity of Progesterone.Progesterone is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. Progesterone is also a crucial metabolic intermediate in the production of other endogenous steroids, including the sex hormones and the corticosteroids, and plays an important role in brain function as a neurosteroid. Grade: > 95%. Molecular formula: C23H29BrO4. Mole weight: 449.39. | |
| 6-epi-Medroxy Progesterone 17-Acetate | 6-epi-Medroxy Progesterone 17-Acetate. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Pregn-4-ene-3,20-dione, 17-(acetyloxy)-6-methyl-, (6?)-, (6?)-17-(Acetyloxy)-6-methylpregn-4-ene-3,20-dione, NSC 119085, Progesterone, 17-hydroxy-6?-methyl-, acetate (6CI), 6?-Methyl-17?-hydroxyprogesterone acetate, Pregn-4-ene-3,20-dione, 17-hydroxy-6?-methyl-, acetate (7CI,8CI). CAS No. 2242-65-1. IUPAC Name: [(6R,8R,9S,10R,13S,14S,17R)-17-acetyl-6,10,13-trimethyl-3-oxo-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate. Molecular formula: C24H34O4. Mole weight: 386.52. Catalog: APS2242651. SMILES: C[C@@H]1C[C@@H]2[C@H](CC[C@@]3(C)[C@H]2CC[C@]3(OC(=O)C)C(=O)C)[C@@]4(C)CCC(=O)C=C14. Format: Neat. | |
| 6-Methylene Progesterone Acetate | 6-Methylene Progesterone Acetate. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Pregn-4-ene-3,20-dione, 17-hydroxy-6-methylene-, acetate (7CI,8CI), Megestrol Acetate USP RC D, 17-(Acetyloxy)-6-methylenepregn-4-ene-3,20-dione, 6,6'-Dehydromedroxyprogesterone acetate, NSC 58799, 17alpha-Acetoxy-6-methylenepregn-4-ene-3,20-dione, 17alpha-Acetoxy-6-methyleneprogesterone, 6-Methylidene-3,20-dioxopregn-4-en-17-yl Acetate, 6-Methylenehydroxyprogesterone Acetate, Pregn-4-ene-3,20-dione, 17-(acetyloxy)-6-methylene-, 17-Acetoxy-6-methylenepregn-4-ene-3,20-dione, Progesterone, 17-hydroxy-6-methylene-, acetate (6CI),Medroxyprogesterone Acetate Imp. E (EP), Megestrol Acetate USP Related Compound D. CAS No. 32634-95-0. Pack Sizes: 10MG. IUPAC Name: [(8R,9S,10R,13S,14S,17R)-17-acetyl-10,13-dimethyl-6-methylidene-3-oxo-1,2,7,8,9,11,12,14,15,16-decahydrocyclopenta[a]phenanthren-17-yl] acetate. Molecular formula: C24H32O4. Mole weight: 384.51. Catalog: APS32634950. SMILES: CC(=O)O[C@@]1(CC[C@H]2[C@@H]3CC(=C)C4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C)C(=O)C. Format: Neat. Shipping: Room Temperature. | |
| Abiraterone Related Compound 4 (Prasterone Acetate Triflate) | An impurity of Abiraterone, a steroid hormone involved in the steroidogenesis of progesterone, mineralocorticoids, glucocorticoids, androgens, and estrogens. Synonyms: Abiraterone Impurity 4, Prasterone Acetate Triflate. Grade: > 95%. CAS No. 115375-60-5. Molecular formula: C22H29F3O5S. Mole weight: 462.53. | |
| anti-6β-Hydroxy Norgestimate | An impurity of Norgestimate, which is an orally active, highly selective progesterone analogue used primarily in oral contraceptives and for the treatment of acne. Synonyms: 18,19-Dinorpregn-4-en-20-yn-3-one, 17-(acetyloxy)-13-ethyl-6-hydroxy-, 3-oxime, (3E,6β,17α)-; (3E,6β,17α)-17-(Acetyloxy)-13-ethyl-6-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one, 3-oxime; (E)-6beta-Hydroxynorgestimate; (6R,8R,9S,10R,13S,14S,17R,E)-13-Ethyl-17-ethynyl-6-hydroxy-3-(hydroxyimino)-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl acetate. Grade: ≥95%. CAS No. 108434-19-1. Molecular formula: C23H31NO4. Mole weight: 385.50. | |
| Delta4-Pregnen-20Alpha-ol-3-one | Delta4-Pregnen-20Alpha-ol-3-one. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Progesterone EP Impurity B. CAS No. 145-14-2. Pack Sizes: 5MG. IUPAC Name: (8S,9S,10R,13S,14S,17S)-17-[(1S)-1-hydroxyethyl]-10,13-dimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one. Molecular formula: C21H32O2. Mole weight: 316.48. Catalog: APS145142. SMILES: C[C@H](O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@]12C. Format: Neat. Shipping: Room Temperature. | |
| Delta-6-Acetoxyprogesterone | An impurity of Progesterone.Progesterone is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. Progesterone is also a crucial metabolic intermediate in the production of other endogenous steroids, including the sex hormones and the corticosteroids, and plays an important role in brain function as a neurosteroid. Grade: > 95%. Molecular formula: C23H30O4. Mole weight: 370.49. | |
| Dydrogesterone EP Impurity A | An impurity of Dydrogesterone. Dydrogesterone is a steroidal progestin of the retroprogesterone group. It can be used as an effective progestogen for gynaecological conditions related to a wide variety of progesterone deficiencies in pregnant women. Synonyms: 9β,10α-Pregna-4,6,8(14)-triene-3,20-dione. Grade: 95%. CAS No. 23035-53-2. Molecular formula: C21H26O2. Mole weight: 310.43. | |
| Dydrogesterone EP Impurity C | An impurity of Dydrogesterone. Dydrogesterone is a steroidal progestin of the retroprogesterone group. It can be used as an effective progestogen for gynaecological conditions related to a wide variety of progesterone deficiencies in pregnant women. Synonyms: 9beta,10alpha,17alpha-Pregna-4,6-diene-3,20-dione; 17α-Dydrogesterone; 17alpha-Dydrogesterone. CAS No. 246038-13-1. Molecular formula: C21H28O2. Mole weight: 312.45. | |
| Etonogestrel 17-O-β-D-glucuronide | An impurity of Etonogestrel. Etonogestrel is a synthetic form of progesterone. It is a medication which is used as a means of birth control for women. Synonyms: 3-Ketodesogestrel 17-O-β-D-glucuronide; (17α)-3-Oxo-13-ethyl-11-methylene-18,19-dinorpregn-4-en-20-yn-17-yl β-D-glucopyranosiduronic acid. Molecular formula: C28H36O8. Mole weight: 500.58. | |
| Gestodene-3-Methyldienol Ether | An impurity of Gestodene, which is a synthetic progesterone used primarily in female contraceptives and menopausal hormone therapy. Synonyms: Gestodene-3-methoxy Dienol Ether; (8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-3-methoxy-2,7,8,9,10,11,12,13,14,17-decahydro-1H-cyclopenta[a]phenanthren-17-ol; 18,19-Dinorpregna-3,5,15-trien-20-yn-17-ol, 13-ethyl-3-methoxy-, (17α)-; (17α)-13-Ethyl-3-methoxy-18,19-dinorpregna-3,5,15-trien-20-yn-17-ol; 3-Enol Gestodene. Grade: ≥95%. CAS No. 104934-01-2. Molecular formula: C22H28O2. Mole weight: 324.47. | |
| Gestodene Impurity A | An impurity of Gestodene, which is a synthetic progesterone used primarily in female contraceptives and menopausal hormone therapy. Synonyms: (8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,2,8,9,10,11,12,13,14,17-decahydro-3H-cyclopenta[a]phenanthren-3-one; 6,7-Dehydro Gestodene; Delta6-Gestodene; Gestodene EP Impurity A; Delta-6-Gestodene. Grade: ≥95%. Molecular formula: C21H24O2. Mole weight: 308.42. | |
| Gestodene Impurity D | An impurity of Gestodene, which is a synthetic progesterone used primarily in female contraceptives and menopausal hormone therapy. Synonyms: 6β-Hydroxy Gestodene; 6Beta-Hydroxy Gestodene; 13-Ethyl-6beta,17-dihydroxy-18,19-dinor-17alpha-pregna-4,15-dien-20-yn-3-one; (6R,8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-6,17-dihydroxy-1,2,6,7,8,9,10,11,12,13,14,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one; Gestodene EP Impurity D. Grade: ≥95%. Molecular formula: C21H26O3. Mole weight: 326.44. | |
| Gestodene Impurity E | An impurity of Gestodene, which is a synthetic progesterone used primarily in female contraceptives and menopausal hormone therapy. Synonyms: (8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-1,7,8,9,10,11,12,13,14,17-decahydro-3H-cyclopenta[a]phenanthrene-3,6(2H)-dione; 6-Keto-gestodene; 6β-Keto-gestodene; Gestodene EP Impurity E; 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregna-4,15-dien-20-yne-3,6-dione; 6-Keto Gestodene. Grade: ≥95%. CAS No. 2143949-52-2. Molecular formula: C21H24O3. Mole weight: 324.42. | |
| Gestodene Impurity I | An impurity of Gestodene, which is a synthetic progesterone used primarily in female contraceptives and menopausal hormone therapy. Synonyms: 4,5-Dihydro-5alpha-Methoxygestodene; (4,5-Dihydro-5alpha-methoxy) Gestodene; 18,19-Dinorpregn-15-en-20-yn-3-one, 13-ethyl-17-hydroxy-5-methoxy-, (5α,17α)-; (5R,8R,9S,10R,13S,14S,17R)-13-Ethyl-17-ethynyl-17-hydroxy-5-methoxy-1,2,4,5,6,7,8,9,10,11,12,13,14,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one; (5α,17α)-13-Ethyl-17-hydroxy-5-methoxy-18,19-Dinorpregn-15-en-20-yn-3-one; Gestodene impurity I; 5-Methoxy gestodene; 13-Ethyl-17-hydroxy-5-methoxy-18,19-dinor-5α,17α-pregn-15-en-20-yn-3-one. Grade: ≥95%. CAS No. 2948318-72-5. Molecular formula: C22H30O3. Mole weight: 342.48. | |
| Hydroxyprogesterone acetate | Hydroxyprogesterone acetate. Uses: Designed for use in research and industrial production. Additional or Alternative Names: Chlormadinone acetate impurity G; 4-Pregnen-17α-ol-3,20-dione acetate; 17a-Hydroxy-progesterone acetate; 17α-Acetoxyprogesterone; 17α-Acetoxy-4-pregnene-3,20-dione; ProgesteroneAcetate; 17ALPHA-ACETOXYPROGESTERONE; Hydroxyprogesterone acetate; 17α-Hydroxy-4-pregnene-3,20-dione 17-acetate. Product Category: Steroidal Compounds. Appearance: white powder. CAS No. 302-23-8. Molecular formula: C23H32O4. Mole weight: 372.5. Purity: 99%+. IUPACName: [(8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-1-yl]acetate. Canonical SMILES: CC(=O)C1CCC2C1(CCC3C2CCC4=CC(=O)CC(C34C)OC(=O)C)C. Density: 1.14 g/cm³. Product ID: ACM302238. Alfa Chemistry ISO 9001:2015 Certified. |  |
| Medroxy Progesterone 17-acetate | Medroxy Progesterone 17-acetate. Group: Biochemicals. Alternative Names: (6α)-17-(Acetyloxy)-6-methyl-pregn-4-ene-3,20-dione; 17α-Acetoxy-6α-methylpregn-4-ene-3,20-dione; 17α-Acetoxy-6α-methylprogesterone; 17α-Hydroxy-6α-methylprogesterone Acetate; Meprate; Metigestrona; NSC 21171; NSC 26386; Nadigest; Nidaxin; Novo-Medrone; Oragest; Perlutex; Perlutex Leo; Prodasone; Progespon; Progestalfa; Progeston; Progevera; Provera; Proverone; Ralovera; Repromap; Repromix; Sirprogen; Sodelut G; U 8839; Veramix; Megestrol Acetate EP Impurity A. Grades: Highly Purified. CAS No. 71-58-9. Pack Sizes: 5g, 10g, 25g, 50g, 100g. Molecular Formula: C24H34O4, Molecular Weight: 386.52. US Biological Life Sciences. | Worldwide |
| Megestrol acetate | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardsapi standardsbritish pharmacopoeiaeuropean pharmacopoeia (ph. eur.)impurity standardspharmacopoeial standards. Alternative Names: 17alpha-Acetoxy-6-dehydro-6-methylprogesterone, 5071, 6-Methyl-3,20-dioxopregna-4,6-dien-17-yl Acetate, BDH 1298, SC 10363, 17-Hydroxy-6-methylpregna-4,6-diene-3,20-dione acetate, Ovarid, Niagestin, Megestin, Megace, Ovaban, Megestrol acetate, Megalia, 6-Methyl-Delta4,6-pregnadien-17alpha-ol-3,20-dione acetate, Megeron, Megestil, MGA, Magestin, Megestat, 17alpha-Acetoxy-6-methylpregna-4,6-diene-3,20-dione, 6-Methyl-17alpha-hydroxy-Delta6-progesterone acetate, DMAP, Megestrol Acetate, 6-Methyl-17alpha-acetoxy-4,6-pregnadiene-3,20-dione, 17-Acetoxy-6-methylpregna-4,6-diene-3,20-dione, Megestryl acetate, Maygace, Nia, NSC 71423, 17-(Acetyloxy)-6-methylpregna-4,6-diene-3,20-dione, 6-Dehydro-6-methyl-17alpha-acetoxyprogesterone,Medroxyprogesterone Acetate Imp. G (EP), 17alpha-Hydroxy-6-methylpregna-4,6-diene-3,20-dione acetate, 6-Methyl-6-dehydro-17alpha-acetoxyprogesterone. | |
| Pregna-4,14-diene-3,20-dione | Pregna-4,14-diene-3,20-dione. Group: Biochemicals. Alternative Names: Progesterone Impurity A. Grades: Highly Purified. CAS No. 24377-08-0. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C21H28O2. US Biological Life Sciences. | Worldwide |
| Pregna-?4,?9(11)?-?diene-?3,?20-?dione (90%) | Pregna-?4,?9(11)?-?diene-?3,?20-?dione (90%). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Pregna-4,9(11)-diene-3,20-dione, 9-Dehydroprogesterone, ?9(11)-Progesterone, Progesterone Imp. K (EP). CAS No. 17652-16-3. IUPAC Name: (8S,10S,13S,14S,17S)-17-acetyl-10,13-dimethyl-1,2,6,7,8,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-one. Molecular formula: C21H28O2. Mole weight: 312.45. Catalog: APS17652163. SMILES: CC(=O)[C@H]1CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)C3=CC[C@]12C. Format: Neat. | |
| Progesterone Acetate | An impurity in steroid drug Megestrol acetate. Group: Biochemicals. Alternative Names: 17-(Acetyloxy)pregn-4-ene-3,20-dione; 17-Hydroxypregn-4-ene-3,20-dione Acetate; 17- (Acetyloxy) progesterone. Grades: Highly Purified. CAS No. 302-23-8. Pack Sizes: 2.5g. US Biological Life Sciences. | Worldwide |
| (17a-alfa)-Hydroxy-6alfa,17a-dimethyl-D-homoandrost-4-ene-3,17-dione 17-Acetate | An impurities of Progesterone.Progesterone is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. Progesterone is also a crucial metabolic intermediate in the production of other endogenous steroids, including the sex hormones and the corticosteroids, and plays an important role in brain function as a neurosteroid. Grade: > 95%. Molecular formula: C24H34O4. Mole weight: 386.54. | |
| (17a-beta)-Hydroxy-6alfa,17a-dimethyl-D-homoandrost-4-ene-3,17-dione | An impurities of Progesterone.Progesterone is an endogenous steroid and progestogen sex hormone involved in the menstrual cycle, pregnancy, and embryogenesis of humans and other species. Progesterone is also a crucial metabolic intermediate in the production of other endogenous steroids, including the sex hormones and the corticosteroids, and plays an important role in brain function as a neurosteroid. Grade: > 95%. Molecular formula: C22H32O3. Mole weight: 344.5. | |
| 17β-Hydroxy-17-ethyl-estra-5(10),9(11)-dien-3-one Cyclic 1,2 Ethanediyl Acetal | 17β-Hydroxy-17-ethyl-estra-5(10),9(11)-dien-3-one Cyclic 1,2 Ethanediyl Acetal is one of Mifepristone impurities. Mifepristone is a progesterone receptor antagonist with partial agonist activity. It is an abortifacient. Molecular formula: C22H32O3. Mole weight: 344.49. | |
| 3,3-(Ethylenedioxy)-5alpha-hydroxy-11beta-[p-(Methylamino)phenyl]-17beta-hydroxy-17-(1-propynyl)estra-9-en | 3,3-(Ethylenedioxy)-5alpha-hydroxy-11beta-[p-(Methylamino)phenyl]-17beta-hydroxy-17-(1-propynyl)estra-9-en is one of Mifepristone impurities. Mifepristone is a progesterone receptor antagonist with partial agonist activity. It is an abortifacient. Synonyms: (5R,8S,11R,13S,14S,17S)-13-methyl-11-(4-(methylamino)phenyl)-17-(prop-1-yn-1-yl)-1,2,4,5,6,7,8,11,12,13,14,15,16,17-tetradecahydrospiro[cyclopenta[a]phenanthrene-3,2'-[1,3]dioxolane]-5,17-diol; 11β-(4-methylaminophenyl)-[3,3-(1,2-ethylenedioxybisoxy)]-17α-(1-propynyl)-estra-9-en-5α,7β-diol. Grade: 98%. CAS No. 104004-98-0. Molecular formula: C30H39NO4. Mole weight: 477.63. | |
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