Progesterone Impurity 19 CAS 16031-66-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16031-66-6 |
| Molecular Formula | C21H30O3 |
| Molecular Weight | 330.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Progesterone Impurity 19 (CAS 16031-66-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H30O3. Molecular weight: 330.46 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H30O3 |
| Molecular Weight | 330.46 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Progesterone Standards
- Progesterone Impurity 9 (CAS 641-80-5)
- Progesterone Impurity 15 (CAS 604-20-6)
- Progesterone Impurity 16 (CAS 604-19-3)
- Progesterone Impurity 83 (CAS CATO-C4X-150283)
- Progesterone Impurity N2 (CAS 40736-33-2)
- Progesterone Impurity 34 (CAS 60966-36-1)
- Progesterone Impurity 84 (CAS 66512-11-6)
- (20R)-Progesterone EP Impurity I (CAS 66289-21-2)
Recommended Standards
- tert-Butyl ((1R,3S,5S)-9-benzyl-9-azabicyclo[3.3.1]nonan-3-yl)carbamate (CAS 153431-10-8)
- 15-(tert-Butyl)tetradecahydrobenzo[b][1,4,7,10,13]pentaoxacyclopentadecine (CAS 17454-49-8)
- tert-Butyl (4-(((1R,2S)-2-phenylcyclopropyl)amino)cyclohexyl)carbamate (CAS 1431304-60-7)
- 3H-Imidazo[4,5-b]pyridin-6-ol (CAS 1023815-26-0)
- 7-Bromo-3H-imidazo[4,5-b]pyridine (CAS 1207174-85-3)
- tert-Butyl 3-benzylazetidine-1-carboxylate (CAS 1714979-63-1)
- [(2R,3S,5R)-2-(hydroxymethyl)-5-(5-methyl-2,4-dioxo-pyrimidin-1-yl)tetrahydrofuran-3-yl] dihydrogen phosphate (CAS 2642-43-5)
- 2-(Chloromethyl)-5,7-dimethylimidazo[1,2-a]pyrimidine (CAS 690642-33-2)
- Buserelin (CAS 57982-77-1)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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