Conjugated Estrogens EP Impurity J CAS 474-86-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 474-86-2 |
| Molecular Formula | C18H20O2 |
| Molecular Weight | 268.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Conjugated Estrogens EP Impurity J (CAS 474-86-2) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C18H20O2. Molecular weight: 268.35 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H20O2 |
| Molecular Weight | 268.35 g/mol |
| Appearance | Pale yellow to 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Conjugated Standards
- Conjugated Estrogens EP Impurity K (CAS 651-55-8)
- Conjugated Linoleic Acid Methyl Ester (CAS 1002-79-5)
- Conjugated Linoleic Acid Ethyl Ester, 90% (Mixture of Isomers) (CAS 137142-61-1)
- Conjugated Estrogens Impurity 17 (CAS CATO-C4X-141617)
- Conjugated Estrogens EP Impurity H (CAS 16680-48-1)
- Conjugated Estrogens EP Impurity E (CAS 56086-66-9)
- Conjugated Estrogens EP Impurity F (CAS 16680-50-5)
- Conjugated Estrogens EP Impurity G(Stabilzed with up to 40% Tromethamine) (CAS 61612-83-7)
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