Estradiol Valerate Impurity 14 CAS 57605-52-4
Purity ＞95%In StockPharmacopoeial Impurity Standards
| CAS No. | 57605-52-4 |
| Molecular Formula | C18H22O2 |
| Molecular Weight | 270.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Estradiol Valerate Impurity 14 (CAS 57605-52-4) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H22O2. Molecular weight: 270.37 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H22O2 |
| Molecular Weight | 270.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | ＞95% |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
Related Estradiol Standards
- Estradiol Hemihydrate EP Impurity A (CAS 19973-76-3)
- Estradiol Impurity 2 (17beta-delta8,9-Dehydroestradiol) (CAS 23392-52-1)
- Estradiol EP Impurity D (CAS 791-69-5)
- Estradiol Impurity 21 (CAS 1187829-63-5)
- Estradiol Impurity 34 (CAS 3563-27-7)
- Estradiol Impurity 7 (CAS 7291-41-0)
- Estradiol Valerate Impurity 15 (CAS 55448-91-4)
- Estradiol Valerate Impurity 16 (CAS 57605-50-2)
Recommended Standards
- Hydroquinone Impurity 6 (CAS 1796929-11-7)
- Dotinurad Impurity 57 (CAS CATO-C4X-249457)
- 17α-Trenbolone (CAS 80657-17-6)
- Biotin impurity 29 (CAS CATO-C4X-156329)
- All-Rac-Α-Tocopheryl Acetate EP Impurity A (CAS CATO-C4X-177917)
- 2-Cyclopropylcyclohexan-1-amine (CAS 1339243-98-9)
- Bis-propargyl-PEG9 (CAS 1351373-47-1)
- 7-(4-Bromophenyl)-2-(methylthio)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 303996-00-1)
- Boc-N-PEG1-C2-NHS ester (CAS 1260092-55-4)
- Myristoyl Pentapeptide -4 acetate (CAS 959610-30-1(free base))
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