Medroxyprogesterone Acetate Impurity 7 CAS 28018-91-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28018-91-9 |
| Molecular Formula | C21H29BrO3 |
| Molecular Weight | 409.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Medroxyprogesterone Acetate Impurity 7 (CAS 28018-91-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C21H29BrO3. Molecular weight: 409.36 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C21H29BrO3 |
| Molecular Weight | 409.36 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Br-containing |
Related Medroxyprogesterone Standards
- Medroxyprogesterone Acetate EP Impurity A (CAS 984-47-4)
- Medroxyprogesterone Impurity N1 (CAS 16319-93-0)
- Medroxyprogesterone impurity 8 (CAS 136803-81-1)
- Medroxyprogesterone Acetate Impurity 19 (CAS 71315-38-3)
- Medroxyprogesterone Acetate EP Impurity F (CAS 69688-15-9)
- Medroxyprogesterone Acetate EP Impurity D (CAS 2242-65-1)
- Medroxyprogesterone Acetate (CAS 71-58-9)
- Medroxyprogesterone Impurity 19 (CAS CATO-C4X-145719)
Recommended Standards
- Isopropyl 2-amino-7-methyl-5-oxo-4-(4-(trifluoromethyl)phenyl)-4H,5H-pyrano[4,3-b]pyran-3-carboxylate (CAS 625375-46-4)
- N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-O-(2,2,2-trifluoroethyl)-L-serine (CAS 2642331-52-8)
- Isopropyl 2-amino-7-methyl-5-oxo-4-(3-(trifluoromethyl)phenyl)-4H,5H-pyrano[4,3-b]pyran-3-carboxylate (CAS 625373-02-6)
- N-(5,6-Dichloro-3-nitropyrazin-2-yl)acetamide (CAS 87155-52-0)
- 2-(Azetidin-3-yl)-N-cyclobutylacetamide (CAS 1341821-42-8)
- tert-Butyl 4-((2S,3S)-2-amino-3-hydroxybutyl)piperazine-1-carboxylate (CAS 2427483-03-0)
- Methyl (R)-2-amino-3-(pyridin-4-yl)propanoate (CAS 294887-32-4)
- Methyl 5-(3,4-difluorophenyl)-3-methyl-5-oxopentanoate (CAS 1443331-27-8)
- 6-Amino-5-fluorobenzo[c][1,2]oxaborol-1(3H)-ol (CAS 943311-50-0)
- Liraglutide Impurity 10 TFA Salt (CAS CATO-C4X-199210)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com