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| Product | Description | |
|---|---|---|
| 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 EP Impurity B | Ethinylestradiol EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1231-96-5. Molecular formula: C20H22O2. Mole weight: 294.39. Catalog: APB1231965. |  |
| 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. | |
| 6-α-Hydroxy ethinylestradiol | 6-α-Hydroxy ethinylestradiol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: 6-α-Hydroxy Ethinylestradiol. Product Category: Heterocyclic Organic Compound. CAS No. 27521-34-2. Molecular formula: C20H24O3. Mole weight: 312.407. Product ID: ACM27521342. Alfa Chemistry ISO 9001:2015 Certified. | |
| 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 |
| 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-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. | |
| 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. | |
| 6α-Hydroxy Mestranol | A mestranol impurity. Mestranol is the 3-methyl ether of ethinylestradiol. It was the estrogen used in many of the first oral contraceptives. Synonyms: 6a-Hydroxy Mestranol; 19-Norpregna-1,3,5(10)-trien-20-yne-6,17-diol, 3-methoxy-, (6α,17α)-. CAS No. 51414-85-8. Molecular formula: C21H26O3. Mole weight: 326.43. | |
| 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. | |
| 6β-Hydroxy Mestranol | A mestranol impurity. Mestranol is the 3-methyl ether of ethinylestradiol. It was the estrogen used in many of the first oral contraceptives. Synonyms: 6b-Hydroxy Mestranol; 19-Norpregna-1,3,5(10)-trien-20-yne-6,17-diol, 3-methoxy-, (6β,17α)-. CAS No. 51414-86-9. Molecular formula: C21H26O3. Mole weight: 326.43. | |
| 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. | |
| 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. | |
| 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. | |
| 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. | |
| Gestodene-[d6] | Gestodene-[d6] is the labelled analogue of Gestodene. Gestodene is a progestin approved in Europe used as a contraceptive in combination with estrogen ethinylestradiol. Synonyms: Gestodene D6; 13-ethyl-17alpha-hydroxy-18,19-dinorpregna-4,15-dien-20-yn-3-one-2,2,4,6,6,10-d6. Grade: 95% by HPLC; 95% atom D. CAS No. 1542211-40-4. Molecular formula: C21H20D6O2. Mole weight: 316.47. | |
| Mestranol | United States Pharmacopeia (USP) Reference Standard. Group: Pharmacopeia & metrological institutes standardspharma & vet compounds & metabolitespharma & vet compounds & metabolitesapi standardseuropean pharmacopoeia (ph. eur.)impurity standardspharmaceutical toxicologypharmacopoeial standards. Alternative Names: 3-O-Methyl-17alpha-ethynylestradiol, 17-Ethynyl-3-methoxyestra-1,3,5(10)-trien-17beta-ol, 3-Methoxy-17alpha-ethynylestradiol, 3-Methoxy-19-nor-17alpha-pregna-1,3,5(10)-trien-20-yn-17beta-ol, 3-Methoxyethynylestradiol, Ethynylestradiol 3-methyl ether, 8027 C. B., 17alpha-Ethinylestradiol 3-methyl ether, delta-MVE, 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy- (6CI,8CI), NSC 84032, 1. | |
| Norgestimate-[d8] | An isotope labelled of Norgestimate. Norgestimate is a progestin medication which is used in combination with ethinylestradiol as an birth control drug. Synonyms: Norgestimate D8. Grade: >98%. Molecular formula: C23H23D8NO3. Mole weight: 377.56. | |
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