Estradiol Impurity N3 CAS 4954-14-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 4954-14-7 |
| Molecular Formula | C20H28O2 |
| Molecular Weight | 300.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Estradiol Impurity N3 (CAS 4954-14-7) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C20H28O2. Molecular weight: 300.44 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H28O2 |
| Molecular Weight | 300.44 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| 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 Estradiol Standards
- Estradiol Impurity 58 (CAS CATO-C4X-163658)
- Estradiol Impurity N2 (CAS 92817-10-2)
- Estradiol Impurity 10 (CAS 1229-24-9)
- Estradiol Impurity 11 (CAS 3583-03-7)
- Estradiol Valerate Impurity 12 (CAS 10582-53-3)
- Estradiol Impurity 25 (CAS 4245-41-4)
- Estradiol Impurity 54 (CAS 1743-60-8)
- Estradiol 3-Methyl Ether (CAS 1035-77-4)
Recommended Standards
- Cyclohexyl 4-(4-methylpiperazinomethyl)phenyl ketone (CAS 898763-54-7)
- Etonogestrel Impurity 10 (CAS 220332-82-1)
- Cyclohexyl 3-(4-methylpiperazinomethyl)phenyl ketone (CAS 898789-45-2)
- Daunorubicin impurity 13 (Mixture of Epimer) (CAS CATO-C4X-193713)
- Landiolol Nitroso Impurity 54 (CAS CATO-C4X-262154)
- 4-(2,4-Difluorophenyl)butan-2-ol (CAS 1249054-04-3)
- Ambrisentan Impurity 4 (CAS 35144-22-0)
- 1-(5-Fluoro-2-nitrophenyl)piperidine (CAS 854044-35-2)
- (E)-but-2-enedioic acid methyl 4-[2-(3,4-dichlorophenyl)acetyl]-3-(pyrrolidin-1-ylmethyl)piperazine-1-carboxylate (CAS 126766-32-3)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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