Etomidate EP Impurity A CAS 3157-27-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 3157-27-5 |
| Molecular Formula | C12H12N2O2 |
| Molecular Weight | 216.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Etomidate EP Impurity A (CAS 3157-27-5) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H12N2O2. Molecular weight: 216.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H12N2O2 |
| Molecular Weight | 216.24 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Etomidate Standards
- Etomidate EP Impurity A (CAS 56649-48-0)
- Etomidate EP Impurity A (CAS 7036-56-8)
- (S)-Etomidate EP Impurity A (CAS 56649-49-1)
- Etomidate Impurity 17 (CAS 81591-23-3)
- Etomidate impurity 63 (CAS CATO-C4X-188463)
- Etomidate Impurity 72 (CAS CATO-C4X-188472)
- Etomidate Impurity 24 (CAS CATO-C4X-188424)
- Etomidate Impurity 8 (CAS 66512-37-6)
Recommended Standards
- Pyridoxine impurity 3 (CAS 91446-43-4)
- Phenamacril (CAS 39491-78-6)
- H-β-(2-Quinolyl)-Ala-OH (CAS 161513-46-8)
- (E)-Ramelteon Impurity 11 (CAS 196597-61-2)
- Safinamide Impurity 40 (CAS 33208-99-0)
- 5-Amino-1-(4-chlorophenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 941868-12-8)
- 2,4-Dichloro-6-nitropyrimidine (CAS 67482-15-9)
- LKX634SL5X 280585-34-4 Oxeglitazar [INN] (2E,4E)-5-(7-Methoxy-3,3-dimethyl-2,3-dihydro-1-benzoxepin-5-yl)-3-methylpenta-2,4-dienoic acid Oxeglitazar UNII-LKX634SL5X (CAS 280585-34-4)
- Trazodone Impurity 70 (CAS CATO-C4X-177270)
- Des-Ala21-Tirzepatide (CAS CATO-CPTD788952)
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