Estradiol Benzoate EP Impurity H CAS 4954-17-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 4954-17-0 |
| Molecular Formula | C27H30O4 |
| Molecular Weight | 418.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Estradiol Benzoate EP Impurity H (CAS 4954-17-0) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C27H30O4. Molecular weight: 418.52 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C27H30O4 |
| Molecular Weight | 418.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1958 |
Related Estradiol Standards
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Recommended Standards
- 3′-thymidylic acid, 5′-(dihydrogen phosphate) (CAS 2863-04-9)
- Hellebrigenol (CAS 508-79-2)
- 11β,17,21-Trihydroxy-16α-methyl-pregn-4-ene-3,20-dione 21-Acetate (CAS 41020-56-8)
- Ebastine Impurity 9 (CAS 632-50-8)
- Tofacitinib Impurity 160 (CAS CATO-C4X-1079160)
- 2-Amino-4,5,6,7-tetrahydro-6-phenylbenzothiazole 79932-21-1 9909AE C13H14N2S (CAS 79932-21-1)
- [cis-5-phenyloxolan-2-yl]methanamine hydrochloride (CAS 1808640-98-3)
- Allithiamine (CAS 554-44-9)
- N-(4-methoxyphenyl)-3-(thiophen-2-yl)-6-(trifluoromethyl)thieno[3,2-b]pyridine-2-carboxamide (CAS 477845-18-4)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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