Estradiol Valerate EP Impurity CAS 1313382-26-1
Purity >95%In StockPharmaceutical Standards
| CAS No. | 1313382-26-1 |
| Molecular Formula | C23H32O4 |
| Molecular Weight | 372.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Estradiol Valerate EP Impurity (CAS 1313382-26-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H32O4. Molecular weight: 372.50 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C23H32O4 |
| Molecular Weight | 372.50 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
Related Estradiol Standards
- Estradiol Valerate impurity 21 (CAS 1313382-32-9)
- Estradiol Benzoate EP Impurity G (CAS 2393-53-5)
- Estradiol Benzoate EP Impurity F (CAS 95870-51-2)
- Estradiol Impurity 10 (CAS 71764-18-6)
- Estradiol Valerate EP Impurity D (CAS 1359847-37-2)
- Estradiol Valerate EP Impurity J (CAS CATO-C4X-28428)
- Estradiol Impurity 33 (CAS CATO-C4X-163633)
- Estradiol Impurity 38 (CAS 4966-70-5)
Recommended Standards
- Deoxycorticosterone Acetate (CAS 56-47-3)
- Pregnenolone Impurity 12 (CAS 66880-01-1)
- 1-((1-(Benzo[d]thiazol-2-yl)piperidin-4-yl)methyl)-3-(thiophen-2-yl)urea (CAS 1797955-63-5)
- Ethyl 2-amino-4-(3-(methoxycarbonyl)phenyl)thiophene-3-carboxylate (CAS 1956376-86-5)
- 4-(3,5-Dichloropyridin-2-yl)-1H-pyrrole-3-carbonitrile (CAS 87388-70-3)
- 4-Methylimidazole (CAS 822-36-6)
- 2-(4-Methylpiperazin-1-yl)-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine (CAS 1186042-00-1)
- 2,2,2-Trifluoro-1-(2-isopropoxyphenyl)ethan-1-one (CAS 42452-32-4)
- N-methyl-N-[(2-propoxy-1-naphthyl)methyl]amine (CAS 851116-62-6)
- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
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