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| Product | Description | |
|---|---|---|
| Ethinyl Estradiol | Pharmaceutical Secondary Standard; Certified Reference Material. Group: Pharmacopeia & metrological institutes standards. |  |
| Ethinyl Estradiol | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. | |
| Ethinyl Estradiol-3-Glucuronide | A derivative of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (17a)-17-Hydroxy-19-norpregna-1,3,5(10)-trien-20-yn-3-yl b-D-glucopyranosiduronic acid; 17a-Ethynylestradiol 3-glucuronide. Grade: > 95%. CAS No. 60134-76-1. Molecular formula: C26H32O8. Mole weight: 472.53. |  |
| Ethinyl Estradiol Impurity G | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: 6-Keto Ethynyl Estradiol; 6-Oxo-ethinylestradiol; 3,17β-Dihydroxy-17α-ethynylestra-1,3,5(10)-trien-6-one. Grade: > 95%. CAS No. 38002-18-5. Molecular formula: C20H22O3. Mole weight: 310.40. | |
| Ethinyl Estradiol Impurity H | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: 16-Oxo- Ethinylesteradiol; (17α)-3,17-Dihydroxy-19-norpregna-1,3,5(10)-trien-20-yn-16-one. Grade: > 95%. CAS No. 1350468-76-6. Molecular formula: C20H22O3. Mole weight: 310.40. | |
| Ethinyl Estradiol Impurity H (Mixture of Diastereomers) | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (8R,9S,13S,14S,17S)-3,17-dihydroxy-13-methyl-16-oxo-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-17-carbonitrile. Grade: > 95%. Molecular formula: C20H22O3. Mole weight: 310.40. | |
| Ethinyl Estradiol Impurity J (1-Methyl Ethinyl Estradiol) | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: 1-Methyl Ethinyl Estradiol. Grade: > 95%. CAS No. 15071-66-6. Molecular formula: C21H26O2. Mole weight: 310.44. | |
| Ethinyl Estradiol Impurity K | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (17α)-4-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol; 4-Methyl Ethynyl Estradiol. Grade: > 95%. CAS No. 155683-61-7. Molecular formula: C21H26O2. Mole weight: 310.44. | |
| Ethinyl Estradiol Impurity M | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: 2-Methyl Ethinyl Estradiol. Grade: > 95%. CAS No. 3240-39-9. Molecular formula: C21H26O2. Mole weight: 310.44. | |
| Ethinyl estradiol Related Compound A | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. | |
| Ethinyl estradiol Related Compound B | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standards. | |
| (13S,14R, 17R)-Ethinyl Estradiol | A derivative of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (13S,14R,17R)-17-Ethynyl-13-methyl-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17-diol; 17β-Dihydro-17α-ethynyl-14β-equillenin. Grade: > 95%. Molecular formula: C20H20O2. Mole weight: 292.38. | |
| (13S,14R, 17S)-Ethinyl Estradiol | A derivative of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (13S,14R,17S)-17-ethynyl-13-methyl-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17-diol. Grade: > 95%. Molecular formula: C20H20O2. Mole weight: 292.38. | |
| (13S,14S, 17R)-Ethinyl Estradiol | A derivative of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (13S,14R,17R)-17-Ethynyl-13-methyl-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17-diol. Grade: > 95%. Molecular formula: C20H20O2. Mole weight: 292.38. | |
| (13S,14S, 17S)-Ethinyl Estradiol | A derivative of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (13S,14S,17S)-17-Ethynyl-13-methyl-12,13,14,15,16,17-hexahydro-11H-cyclopenta[a]phenanthrene-3,17-diol. Grade: > 95%. Molecular formula: C20H20O2. Mole weight: 292.38. | |
| Ethinylestradiol | Ethinylestradiol is an orally active steroidal estrogen. Ethinylestradiol is widely used in research on menopausal symptoms, gynecological conditions, and certain hormone-sensitive cancers [1]. Uses: Scientific research. Group: Natural products. Alternative Names: Ethynyl estradiol; 17α-Ethynylestradiol. CAS No. 57-63-6. Pack Sizes: 10 mM * 1 mL; 500 mg; 1 g; 5 g. Product ID: HY-B0216. |  |
| Ethinylestradiol | Ethinylestradiol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol;19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha)-;Ethinyl estradiol. Product Category: Steroidal Compounds. Appearance: Off-White to Light-Yellow Crystalline Powder. CAS No. 57-63-6. Molecular formula: C20H24O2. Mole weight: 296.4. Purity: 0.98. IUPACName: 17α-ethynylestradiol. Density: 1.21g/cm³. Product ID: ACM57636. Alfa Chemistry ISO 9001:2015 Certified. |  |
| Ethinylestradiol (Standard) | Ethynyl Estradiol (Standard) is the analytical standard of Ethynyl Estradiol. This product is intended for research and analytical applications. Uses: Scientific research. Group: Natural products. Alternative Names: Ethynyl estradiol (Standard); 17α-Ethynylestradiol(Standard). CAS No. 57-63-6. Pack Sizes: 25 mg; 50 mg; 100 mg. Product ID: HY-B0216R. | |
| 16α,17α-Epoxy-19-norpregna-1,3,5(10)-trien-20-yn-3-ol Acetate | 16α,17α-Epoxy-19-norpregna-1,3,5(10)-trien-20-yn-3-ol Acetate is an intermediate in the synthesis of 17-epi-Ethynyl Estradiol (E685095). 17-epi-Ethynyl Estradiol (Ethinylestradiol EP Impurity A) is the epimer derivative of Ethynyl Estradiol (E685100), which is an impurity. Group: Biochemicals. Grades: Highly Purified. CAS No. 55812-84-5. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C22H24O3. US Biological Life Sciences. |  Worldwide |
| 17-alpha-Ethynylestradiol-[13C2] | Isotope labelled derivative of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: Ethinyl Estradiol-13C2; (17α)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol-13C2; Amenoron-13C2; Eticylol-13C2; Eticyclin-13C2; Etivex-13C2; Feminone-13C2; Gynolett-13C2; Kolpolyn-13C2; Lynoral, Oradiol-13C2; Orestralyn-13C2; Primogyn C-13C2. Grade: >95%. Molecular formula: C18[13C]2H24O2. Mole weight: 298.39. | |
| 17β-Estradiol-[2,4,16,16,17-d5] | 17β-Estradiol-[2,4,16,16,17-d5] is a deuterated β-estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens directs the development of the female genotype in embryogenesis and at puberty. Synonyms: 17β-Estradiol-2,4,16,16,17-d5; Estradiol-d5; 17β-Estradiol-d5; Dihydrofolliculin-d5; (17β)-Estra-1,3,5(10)-triene-3,17-diol-d5; 3,17-Epidihydroxyestratriene-d5; Cimara-d5; Estrace-d5; Estraderm-d5; Ethinylestradiol EP Impurity D-d5. Grade: 99% by CP; 97% atom D. CAS No. 221093-45-4. Molecular formula: C18H19D5O2. Mole weight: 277.42. | |
| 17-Dehydroxy-dehydro 17-epi-Ethynyl Estradiol | 17-Dehydroxy-dehydro 17-epi-Ethynyl Estradiol is a by-product in the synthesis of 17-epi-Ethynyl Estradiol (E685095). 17-epi-Ethynyl Estradiol (Ethinylestradiol EP Impurity A) is the epimer derivative of Ethynyl Estradiol (E685100), which is an impurity. Group: Biochemicals. Grades: Highly Purified. CAS No. 71716-18-2. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C20H22O. US Biological Life Sciences. | Worldwide |
| 17-Desacetyl Norgestimate | A metabolite of Norgestimate. Norelgestromin is a steroidal progestin used in contraceptive patches, where it is combined with the estrogen ethinyl estradiol. Group: Biochemicals. Alternative Names: syn-Norelgestromin; Z-17-Deacetylnorgestimate; (8R, 9S, 10R, 13S, 14S, 17R, Z) -13-Ethyl-17-ethynyl-17-hydroxy-6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17-dodecahydro-1H-cyclopenta [a]phenanthren-3 (2H) -one Oxime; (17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-4-en-20-yn-3-one Oxime;17-Deacetylnorgestimate; 18-Methylnorethindrone oxime; BRN 4202099; D-Norgestrel 3-Oxime; Levonorgestrel 3-Oxime; RWJ 10553; Norelgestromin. Grades: Highly Purified. CAS No. 53016-31-2. Pack Sizes: 5mg, 10mg, 25mg, 100mg. Molecular Formula: C??H??NO?, Molecular Weight: 327.46. US Biological Life Sciences. | Worldwide |
| 17-epi-Ethynyl Estradiol | 17-epi-Ethynyl Estradiol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Ethinylestradiol Imp. A (EP), 17-epi-Ethynylestradiol, 17?-Ethynylestradiol,19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 17?-Estradiol, 17-ethynyl-, 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol (17?-Ethinylestradiol). CAS No. 4717-38-8. IUPAC Name: (8R,9S,13S,14S,17S)-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. Molecular formula: C20H24O2. Mole weight: 296.40. Catalog: APS4717388. SMILES: C[C@]12CC[C@H]3[C@@H](CCc4cc(O)ccc34)[C@@H]1CC[C@]2(O)C#C. Format: Neat. | |
| 18-Demethyl Etonogestrel | An impurity of Etonogestrel. Etonogestrel is a progestin used in various hormonal contraceptives, including vaginal rings like EluRyng (etonogestrel and ethinyl estradiol vaginal ring). Uses: Etonogestrel derivative, a contraceptive progestins. Synonyms: (17α)-17-Hydroxy-11-methylene-19-norpregn-4-en-20-yn-3-one; 11-Methylene-17α-ethynyl-19-nortestosterone; (8S,9S,10R,13S,14S,17R)-17-Ethynyl-17-hydroxy-13-methyl-11-methylene-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one. Grade: ≥95%. CAS No. 54024-10-1. Molecular formula: C21H26O2. Mole weight: 310.43. | |
| 2-Methyl Ethynyl Estradiol | 2-Methyl Ethynyl Estradiol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (17?)-2-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 19-Nor-17?-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-methyl- (7CI), 2-Methyl-19-nor-17?-pregna-1,3,5(10)-trien-20-yne-3,17-diol (2-Methyl-ethinylestradiol), Ethinylestradiol Imp M (EP), 2-Methyl Ethynyl Estradiol. CAS No. 3240-39-9. IUPAC Name: (8R,9S,13S,14S,17R)-17-ethynyl-2,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. Molecular formula: C21H26O2. Mole weight: 310.43. Catalog: APS3240399. SMILES: Cc1cc2[C@H]3CC[C@@]4(C)[C@@H](CC[C@@]4(O)C#C)[C@@H]3CCc2cc1O. Format: Neat. | |
| 4-Methyl Ethynyl Estradiol | 4-Methyl Ethynyl Estradiol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Ethinylestradiol Imp K. (EP), 4-Methyl-19-nor-17?-pregna-1,3,5(10)-trien-20-yne-3,17-diol (4-Methyl-ethinylestradiol), 4-Methyl Ethynyl Estradiol,(17?)-4-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol (9CI). CAS No. 155683-61-7. IUPAC Name: (8R,9S,13S,14S,17R)-17-ethynyl-4,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. Molecular formula: C21H26O2. Mole weight: 310.43. Catalog: APS155683617. SMILES: Cc1c(O)ccc2[C@H]3CC[C@@]4(C)[C@@H](CC[C@@]4(O)C#C)[C@@H]3CCc12. Format: Neat. | |
| 6,7-Dehydro Ethynyl Estradiol | 6,7-Dehydro Ethynyl Estradiol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Ethinylestradiol Imp. I (EP), 19-Nor-17alpha-pregna-1,3,5(10),6-tetraen-20-yne-3,17-diol, 6,7-Didehydroethinylestradiol. CAS No. 67703-68-8. Molecular formula: C20H22O2. Mole weight: 294.39. Catalog: APS67703688. Format: Neat. | |
| 6,7-Didehydro Ethynyl Estradiol (Impurity I) | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: Ethinylestradiol EP Impurity I; 6,7-Dehydroethynylestradiol; 19-Nor-17α-pregna-1,3,5(10),6-tetraen-20-yne-3,17-diol; (17α)-19-Norpregna-1,3,5(10),6-tetraen-20-yne-3,17-diol. Grade: > 95%. CAS No. 67703-68-8. Molecular formula: C20H22O2. Mole weight: 294.40. | |
| 6Alpha-Hydroxy Ethynyl Estradiol | 6Alpha-Hydroxy Ethynyl Estradiol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Ethinylestradiol Imp. E (EP), 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,6alpha,17-triol, 6alpha-Hydroxyethinylestradiol. CAS No. 27521-34-2. Pack Sizes: 10MG. Molecular formula: C20H24O3. Mole weight: 312.40. Catalog: APS27521342A. Format: Neat. Shipping: Room Temperature. | |
| 6Beta-Hydroxy Ethynyl Estradiol | 6Beta-Hydroxy Ethynyl Estradiol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6beta-Hydroxyethinylestradiol, 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,6beta,17-triol,Ethinylestradiol Imp. F (EP). CAS No. 56324-28-8. Molecular formula: C20H24O3. Mole weight: 312.40. Catalog: APS56324288. Format: Neat. | |
| 9,11-Dehydro Ethylnyl Estradiol (Impurity B) | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (17α)-19-Norpregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol; 19-Nor-17α-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol; USP Ethinyl Estradiol Related Compound B; Ethinyl Estradiol Impurity B (EP). Grade: > 95%. CAS No. 1231-96-5. Molecular formula: C20H22O2. Mole weight: 294.40. | |
| 9,11-Dehydro Ethynyl Estradiol | 9,11-Dehydro Ethynyl Estradiol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 19-Nor-17alpha-pregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol, Ethinylestradiol Imp. B (EP), 9,11-Didehydroethinylestradiol. CAS No. 1231-96-5. IUPAC Name: (8S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. Molecular formula: C20H22O2. Mole weight: 294.39. Catalog: APS1231965. SMILES: C[C@]12CC=C3[C@@H](CCc4cc(O)ccc34)[C@@H]1CC[C@@]2(O)C#C. Format: Neat. | |
| 9,11-Estradiol-[d3] | One of the isotope labelled derivative of Estradiol, which is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (17β)-Estra-1,3,5(10),9(11)-tetraene-3,17-diol-d3; Estra-1,3,5(10),9(11)-tetraene-3,17β-diol-d3; 9,11-Dehydroestradiol-d3; J 1213-d3; ZYC 1-d3; Delta 9,11-Ethinyl Estradiol D3; Δ9,11-Estradiol-d3. Grade: >95%. Molecular formula: C18H19D3O2. Mole weight: 273.38. | |
| Estradiol Hemihydrate | Estradiol Hemihydrate. Uses: For analytical and research use. Group: Api standards; british pharmacopoeia; european pharmacopoeia (ph. eur.); impurity standards; pharmaceutical toxicology; pharmacopoeial standards. Alternative Names: beta-Estradiol semihydrate,Estradiol Benzoate Imp. A (EP), Estradiol Valerate Imp. A (EP), Estriol Imp. D (EP), beta-Estradiol hemihydrate, Ethinylestradiol Imp. D (EP) as Hemihydrate, Estradiol Valerate Imp. A (EP) as Hemihydrate, Estradiol Hemihydrate, Estra-1,3,5(10)-triene-3,17-diol (17beta)-, hydrate (2:1) (9CI), Estradiol Benzoate Imp. A (EP) as Hemihydrate, Ethinylestradiol Imp. D (EP), Estriol Imp. D (EP) as Hemihydate. CAS No. 35380-71-3. IUPAC Name: (8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol;hydrate. Molecular formula: 2C18H24O2.H2O. Mole weight: 562.78. Catalog: APS35380713. SMILES: O.C[C@]12CC[C@H]3[C@@H](CCc4cc(O)ccc34)[C@@H]1CC[C@@H]2O.C[C@]56CC[C@H]7[C@@H](CCc8cc(O)ccc78)[C@@H]5CC[C@@H]6O. Format: Neat. | |
| Ethynyl estradiol | Ethinyl Estradiol is a derivative of 17β-estradiol (E2), the major endogenous estrogen in humans. EE2 is an orally bioactive estrogen used in many formulations of combined oral contraceptive pills and is one of the most commonly used medications for this purpose. Uses: Component of oral contraceptive pills. Synonyms: Ethynyl estradiol; Ethynylestradiol; ETHINYLESTRADIOL; Ethinyloestradiol. Grade: >98%. CAS No. 57-63-6. Molecular formula: C20H24O2. Mole weight: 296.4. | |
| Ethynyl Estradiol Dimer Impurity 1 | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: Ethinyl estradiol 4-oxy dimer; 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 4-[[(17α)-17-hydroxy-19-norpregna-1,3,5(10)-trien-20-yn-3-yl]oxy]-, (17α)-; Ethinylestradiol 4-Oxy Dimer; Ethinyl Estradiol Dimer Impurity; (8R,9S,13S,14S,17R)-17-Ethynyl-4-(((8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl)oxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. Grade: ≥95%. CAS No. 303014-90-6. Molecular formula: C40H46O4. Mole weight: 590.79. | |
| Ethynyl Estradiol Dimer Impurity 2 | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, 2-[[(17α)-17-hydroxy-19-norpregna-1,3,5(10)-trien-20-yn-3-yl]oxy]-, (17α)-; Ethinyl estradiol 2-oxy dimer; Ethinylestradiol 2-Oxy Dimer; (8R,9S,13S,14S,17R)-17-Ethynyl-2-(((8R,9S,13S,14S,17R)-17-ethynyl-17-hydroxy-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-3-yl)oxy)-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. Grade: ≥95%. CAS No. 303014-91-7. Molecular formula: C40H46O4. Mole weight: 590.79. | |
| Etonogestrel | Etonogestrel is a progestin used in various hormonal contraceptives, including vaginal rings like EluRyng (etonogestrel and ethinyl estradiol vaginal ring). It works by inhibiting ovulation and altering the cervical mucus to prevent sperm penetration, thereby providing effective contraception. Uses: A impurity of desogestrel. Synonyms: (17α)-13-Ethyl-17-hydroxy-11-methylene-18,19-dinorpregn-4-en-20-yn-3-one; 17-Ethynyl-17β-hydroxy-18-methyl-11-methyleneestr-4-en-3-one; 3-keto-Desogestrel; 3-Keto-Org 2969; 3-Ketodesogestrel; 3-Oxodesogestrel; Implanon; Nexplanon; Org 3236. Grade: ≥95%. CAS No. 54048-10-1. Molecular formula: C22H28O2. Mole weight: 324.46. | |
| Gestodene EP Impurity K | An impurity of Gestodene. Gestodene is a synthetic progestogen commonly used in combination oral contraceptives, often paired with ethinyl estradiol to enhance contraceptive efficacy. It works by inhibiting ovulation and altering the uterine lining to prevent implantation of a fertilized egg. Synonyms: Aromatic 6-Keto Gestodene; 13-Ethyl-3,17-dihydroxy-18,19-dinor-17α-pregna1,3,5(10),15-tetraen-20-yn-6-one; Aromatic 6-keto-gestodene; (17α)-13-Ethyl-3,17-dihydroxy-18,19-dinorpregna-1,3,5(10),15-tetraen-20-yn-6-one; (8R,9S,13S,14S,17R)-13-Ethyl-17-ethynyl-3,17-dihydroxy-7,8,9,11,12,13,14,17-octahydro-6H-cyclopenta[a]phenanthren-6-one; Gestodene Impurity K. Grade: ≥95%. CAS No. 1421283-61-5. Molecular formula: C21H22O3. Mole weight: 322.40. | |
| Mestranol | Mestranol is an inactive proagent and becomes biologically active on conversion to ethinyl estradiol (EE). Mestranol acts as an estrogen receptor agonist. Mestranol combines with a progestin in vivo and can be used for the research of menopausal hormone or menstrual disorders. Mestranol is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups. Uses: Scientific research. Group: Signaling pathways. CAS No. 72-33-3. Pack Sizes: 10 mM * 1 mL; 100 mg. Product ID: HY-B0390. | |
| Quinestrol | Quinestriol, also called as Estrovis, is an orally active, long-acting, synthetic estrogen that is effective in hormone replacement therapy. Uses: Estrogens. Synonyms: (8R,9S,13S,14S,17R)-3-cyclopentyloxy-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol Estrovis Ethinyl Estradiol 3 Cyclopentyl Ether Ethinyl Estradiol 3-Cyclopentyl Ether Parke Davis Brand of Quinestrol Quinestrol. Grade: 98.0%. CAS No. 152-43-2. Molecular formula: C25H32O2. Mole weight: 364.53. | |
| Ethinylesteradiol Impurity L | An impurity of Estradiol. Estradiol? is the major estrogen secreted by the premenopausal ovary. Estrogens direct the development of the female genotype in embryogenesis and at puberty. Synonyms: (8R,9S,13S,14S,17R)-8,9,13,14-tetramethyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. Grade: > 95%. Molecular formula: C18H24O2. Mole weight: 272.39. | |
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