Progesterone EP Impurity I (S-isomer) CAS 3986-89-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 3986-89-8 |
| Molecular Formula | C22H32O2 |
| Molecular Weight | 328.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Progesterone EP Impurity I (S-isomer) (CAS 3986-89-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H32O2. Molecular weight: 328.49 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H32O2 |
| Molecular Weight | 328.49 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| 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.) | 1958 |
Related Progesterone Standards
- (20R)-Progesterone EP Impurity I (CAS 66289-21-2)
- Progesterone Impurity N5 (CAS 35525-27-0)
- Progesterone Impurity N1(Mixture of Diastereomers) (CAS 71658-22-5)
- Progesterone EP Impurity I (CAS 24254-01-1)
- Progesterone Impurity 43 (CAS CATO-C4X-150243)
- Progesterone Impurity 45 (CAS CATO-C4X-150245)
- Progesterone Impurity 51 (CAS 103858-15-7)
- Progesterone Impurity 53 (CAS 903-03-7)
Recommended Standards
- Spironolactone Impurity 10 (CAS 53866-23-2)
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- CAS 749266-38-4 (CAS 749266-38-4)
- Valganciclovir Impurity 32 (CAS 960582-59-6)
- Amoxicillin Impurity 89 (CAS CATO-C4X-114889)
- 2-Boc-octahydrocyclopenta[c]pyrrole-5-carboxylic Acid (CAS 1177319-91-3)
- 2,4-Dichloro-5-(cyclopropylmethoxy)phenylboronic acid (CAS 1256354-91-2)
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- 1,2-Bis(2,4-dichlorophenyl)ethane-1,2-dione (CAS 54696-56-9)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
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