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| Product | Description | |
|---|---|---|
| Levonorgestrel EP Impurity A | Levonorgestrel EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1260525-53-8. Molecular Formula: C21H26O2. Mole Weight: 310.44. Catalog: APB1260525538. |  |
| Levonorgestrel EP Impurity B | Levonorgestrel EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 19914-67-1. Molecular Formula: C21H28O2. Mole Weight: 312.45. Catalog: APB19914671. | |
| Levonorgestrel EP Impurity C | Levonorgestrel EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1337972-89-0. Molecular Formula: C23H28O. Mole Weight: 320.48. Catalog: APB1337972890. | |
| Levonorgestrel EP Impurity D | Levonorgestrel EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. CAS No. 32419-58-2. Molecular Formula: C21H30O. Mole Weight: 298.47. Catalog: APB32419582. | |
| Levonorgestrel EP Impurity G | Levonorgestrel EP Impurity G. Uses: For analytical and research use. Group: Impurity standards. CAS No. 87585-03-3. Molecular Formula: C21H28O3. Mole Weight: 328.45. Catalog: APB87585033. | |
| Levonorgestrel EP Impurity H | Levonorgestrel EP Impurity H. Uses: For analytical and research use. Group: Impurity standards. CAS No. 55555-97-0. Molecular Formula: C21H28O3. Mole Weight: 328.45. Catalog: APB55555970. | |
| Levonorgestrel EP Impurity I | Levonorgestrel EP Impurity I. Uses: For analytical and research use. Group: Impurity standards. CAS No. 20402-62-4. Molecular Formula: C21H28O3. Mole Weight: 328.45. Catalog: APB20402624. | |
| Levonorgestrel EP Impurity L | Levonorgestrel EP Impurity L. Uses: For analytical and research use. Group: Impurity standards. CAS No. 21800-83-9. Molecular Formula: C19H26O2. Mole Weight: 286.41. Catalog: APB21800839. | |
| Levonorgestrel EP Impurity M | Levonorgestrel EP Impurity M. Uses: For analytical and research use. Group: Impurity standards. CAS No. 51087-61-7. Molecular Formula: C21H26O2. Mole Weight: 310.44. Catalog: APB51087617. | |
| Levonorgestrel EP Impurity N | Levonorgestrel EP Impurity N. Uses: For analytical and research use. Group: Impurity standards. CAS No. 4222-96-2. Molecular Formula: C19H26O2. Mole Weight: 286.41. Catalog: APB4222962. | |
| Levonorgestrel EP Impurity O | Levonorgestrel EP Impurity O. Uses: For analytical and research use. Group: Impurity standards. CAS No. 155683-60-6. Molecular Formula: C22H32O3. Mole Weight: 344.49. Catalog: APB155683606. | |
| Levonorgestrel EP Impurity P | Levonorgestrel EP Impurity P. Uses: For analytical and research use. Group: Impurity standards. CAS No. 100021-05-4. Molecular Formula: C21H28O2. Mole Weight: 312.45. Catalog: APB100021054. | |
| Levonorgestrel EP Impurity Q | Levonorgestrel EP Impurity Q. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1038-28-4. Molecular Formula: C20H30O2. Mole Weight: 302.46. Catalog: APB1038284. | |
| Levonorgestrel EP Impurity R | Levonorgestrel EP Impurity R. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2322-77-2. Molecular Formula: C20H28O2. Mole Weight: 300.44. Catalog: APB2322772. | |
| Levonorgestrel EP Impurity T | Levonorgestrel EP Impurity T. Uses: For analytical and research use. Group: Impurity standards. CAS No. 799-43-9. Molecular Formula: C22H30O2. Mole Weight: 326.48. Catalog: APB799439. | |
| Levonorgestrel EP Impurity U | Levonorgestrel EP Impurity U. Uses: For analytical and research use. Group: Impurity standards. CAS No. 68-22-4. Molecular Formula: C20H26O2. Mole Weight: 298.43. Catalog: APB68224. | |
| Levonorgestrel EP Impurity V | Levonorgestrel EP Impurity V. Uses: For analytical and research use. Group: Impurity standards. CAS No. 14009-70-2. Molecular Formula: C22H28O2. Mole Weight: 324.46. Catalog: APB14009702. | |
| Levonorgestrel EP Impurity W | Levonorgestrel EP Impurity W. Uses: For analytical and research use. Group: Impurity standards. CAS No. 155683-59-3. Molecular Formula: C21H24O2. Mole Weight: 308.42. Catalog: APB155683593. | |
| 13-Ethyl-17α-trimethylsilylethynyl-3-triflate-18,19-dinor-pregna-3,5-dien-17-ol | Protected EP Levonorgestrel impurity C. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences. |  Worldwide |
| 13-Ethyl-17α-trimethylsilylethynyl-3-triflate-18,19-dinor-pregna-3,5-dien-17-ol Trimethylsilyl Ether | Protected EP Levonorgestrel impurity C. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5(10)-en-20-yn-3-one (Levo Norgestrel Impurity) | EP Levonorgestrel impurity B. Group: Biochemicals. Alternative Names: 13-Ethyl-17α-ethynyl-17-hydroxygon-5(10)-en-3-one; EP Levonorgestrel Impurity B; (17α)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one. Grades: Highly Purified. CAS No. 19914-67-1. Pack Sizes: 5mg. US Biological Life Sciences. | Worldwide |
| 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one(levo norgestrel impurity) | 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one(levo norgestrel impurity). Group: Biochemicals. Alternative Names: 13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one; EP levonorgestrel impurity B; (17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one. Grades: Highly Purified. CAS No. 19914-67-1. Pack Sizes: 1mg, 2mg, 5mg, 10mg. Molecular Formula: C21H28O2. US Biological Life Sciences. | Worldwide |
| 13-Ethyl-18,19-dinor-17alpha-pregn-4-en-20-yn-17-ol | 13-Ethyl-18,19-dinor-17alpha-pregn-4-en-20-yn-17-ol. Uses: Designed for use in research and industrial production. Additional or Alternative Names: (17α)-13-Ethyl-18,19-dinorpregn-4-en-20-yn-17-ol; EP Levonorgestrel Impurity D. Product Category: Heterocyclic Organic Compound. Appearance: Colorless Semi-Solid. CAS No. 32419-58-2. Molecular formula: C21H30O. Mole weight: 298.46. Product ID: ACM32419582. Alfa Chemistry ISO 9001:2015 Certified. |  |
| 13-Ethyl-18,19-dinor-17α-pregn-4-en-20-yn-17-ol (Levo Norgestrel Impurity) | EP Levonorgestrel impurity D. Group: Biochemicals. Alternative Names: (17α)-13-Ethyl-18,19-dinorpregn-4-en-20-yn-17-ol; EP Levonorgestrel Impurity D. Grades: Highly Purified. CAS No. 32419-58-2. Pack Sizes: 2.5mg. US Biological Life Sciences. | Worldwide |
| 13-Ethyl-18,19-dinor-17a-pregn-4-en-20-yn-17-ol(levo norgestrel impurity) | 13-Ethyl-18,19-dinor-17a-pregn-4-en-20-yn-17-ol(levo norgestrel impurity). Group: Biochemicals. Alternative Names: (17a)-13-Ethyl-18,19-dinorpregn-4-en-20-yn-17-ol; EP levonorgestrel impurity D. Grades: Highly Purified. CAS No. 32419-58-2. Pack Sizes: 1mg, 2mg, 5mg, 10mg, 25mg. Molecular Formula: C21H30O. US Biological Life Sciences. | Worldwide |
| 13-Ethyl-3,17α-trimethylsilylethynyl-18,19-dinor-pregna-3,5-dien-17-ol | Protected EP Levonorgestrel impurity C. Group: Biochemicals. Alternative Names: Ditetramethylsilane Levonorgestrel Impurity C. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences. | Worldwide |
| 13-Ethyl-3-ethynyl-18,19-dinor-17α-pregna-3,5-dien-20-yn-17-ol (Levo Norgestrel Impurity) | EP Levonorgestrel impurity C. Group: Biochemicals. Alternative Names: Levonorgestrel Impurity C. Grades: Highly Purified. CAS No. 1337972-89-0. Pack Sizes: 2.5mg. US Biological Life Sciences. | Worldwide |
| 5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel (~90%) | 5(6)-Dehydro-4(5)-dihydro D-(-)-Norgestrel (~90%). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Levonorgestrel Imp. P (EP), 13-Ethyl-17-hydroxy-18,19-dinor-17α-pregn-5-en-20-yn-3-one (Δ5-Levonorgestrel). CAS No. 100021-05-4. IUPAC Name: (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one. Molecular Formula: C21H28O2. Mole Weight: 312.45. Catalog: APS100021054. SMILES: CC[C@]12CC[C@H]3[C@@H] (CC=C4CC (=O)CC[C@H]34)[C@@H]1CC[C@@]2 (O)C#C. Format: Neat. | |
| 6(7)-Dehydro Norgestrel | 6(7)-Dehydro Norgestrel. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregna-4,6-dien-20-yn-3-one,Levonorgestrel Imp. M (EP), Delta6-Levonorgestrel, Levonorgestrel Imp. M (Pharmeuropa), 6,7-Didehydrolevonorgestrel. CAS No. 51087-61-7. Molecular Formula: C21H26O2. Mole Weight: 310.43. Catalog: APS51087617. Format: Neat. | |
| 6Beta-Hydroxylevonorgestrel | 6Beta-Hydroxylevonorgestrel. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 13-Ethyl-6beta,17-dihydroxy-18,19-dinor-17alpha-pregn-4-en-20-yn-3-one, Levonorgestrel Imp. H (Pharmeuropa),Levonorgestrel Imp. H (EP), 6beta-Hydroxylevonorgestrel. CAS No. 55555-97-0. Pack Sizes: 10MG. IUPAC Name: (6R,8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-6,17-dihydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one. Molecular Formula: C21H28O3. Mole Weight: 328.45. Catalog: APS55555970A. SMILES: CC[C@]12CC[C@H]3[C@@H] (C[C@@H] (O)C4=CC (=O)CC[C@H]34)[C@@H]1CC[C@@]2 (O)C#C. Format: Neat. Shipping: Room Temperature. | |
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