Estradiol Impurity 24 CAS 3434-88-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 3434-88-6 |
| Molecular Formula | C22H28O4 |
| Molecular Weight | 356.46 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Estradiol Impurity 24 (CAS 3434-88-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C22H28O4. Molecular weight: 356.46 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C22H28O4 |
| Molecular Weight | 356.46 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Estradiol Standards
- Estradiol 17-Isovalerate (CAS 869627-83-8)
- Estradiol Valerate EP Impurity B (CAS 21881-45-8)
- 17-Beta-Estradiol 17-Valerate (CAS 979-32-8)
- Estradiol Valerate 17α-Isomer (CAS 182624-54-0)
- Estradiol Valerate EP Impurity C (CAS 95959-20-9)
- Estradiol Valerate EP Impurity G (CAS 1313382-25-0)
- Estradiol-7α-butyric Acid (CAS 55592-40-0)
- ∆9(11)-Estradiol Diacetate (CAS 1169-54-6)
Recommended Standards
- Desoximetasone Impurity 3 (CAS 59796-52-0)
- Norethisterone Acetate EP Impurity F (CAS 6856-27-5)
- Butylhydroxyanisole Impurity 3 (CAS CATO-C4X-15703)
- Etoposide EP Impurity A (CAS 124151-67-3)
- Bromfenac Impurity N17 (CAS 70803-94-0)
- 5-Chloro-3-(trifluoromethyl)-1,2,4-thiadiazole (CAS 672-35-5)
- 2,4-Dichloro-3-methylaniline;hydrochloride (CAS 1255717-90-8)
- 3,5-Dimethyl-1-(2,2,2-trifluoroethyl)-1h-pyrazole-4-sulfonyl chloride (CAS 1006462-90-3)
- Ethyl 4-ethyl-2-oxo-2H-chromene-3-carboxylate (CAS 60211-76-9)
- (Pro3)-Gastric Inhibitory Polypeptide (human) trifluoroacetate salt (CAS 299898-52-5)
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