Estradiol Benzoate EP Impurity G CAS 2393-53-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 2393-53-5 |
| Molecular Formula | C25H26O3 |
| Molecular Weight | 374.47 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Estradiol Benzoate EP Impurity G (CAS 2393-53-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C25H26O3. Molecular weight: 374.47 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C25H26O3 |
| Molecular Weight | 374.47 g/mol |
| Appearance | Pale yellow to 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Estradiol Standards
- Estradiol Benzoate EP Impurity F (CAS 95870-51-2)
- Estradiol Impurity 33 (CAS CATO-C4X-163633)
- Estradiol Impurity 38 (CAS 4966-70-5)
- Estradiol Valerate impurity 21 (CAS 1313382-32-9)
- Estradiol Valerate EP Impurity (CAS 1313382-26-1)
- Estradiol Benzoate EP Impurity D (CAS 983-30-2)
- Estradiol Benzoate EP Impurity E (CAS 6045-53-0)
- Estradiol benzoate (CAS 50-50-0)
Recommended Standards
- Diethyl 5,5'-methylenebis(4-ethyl-3-methyl-1H-pyrrole-2-carboxylate) (CAS 6305-93-7)
- Cicaprost (CAS 94079-80-8)
- L-Methionine-d3-N-FMOC (S-methyl-d3) (CAS 502692-58-2)
- Tadalafil Impurity 157 (CAS CATO-C4X-1087157)
- Everolimus Impurity 45 (CAS CATO-C4X-112245)
- (αS,βR)-β-(2,4-Difluorophenyl)-β-hydroxy-α-methyl-1H-1,2,4-triazole-1-butanenitrile (CAS 170862-36-9)
- 3-fluoro-5-hydroxy-1,4-dihydropyridin-4-one (CAS 1184172-13-1)
- 4-(4-Chloro-pyrimidin-2-ylamino)-cyclohexanol (CAS 1261233-64-0)
- tert-Butyl 8-cyano-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxylate (CAS 1352087-38-7)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
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