Alprazolam EP Impurity A CAS 27537-87-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 27537-87-7 |
| Molecular Formula | C15H14ClN3O |
| Molecular Weight | 287.74 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Alprazolam EP Impurity A (CAS 27537-87-7) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C15H14ClN3O. Molecular weight: 287.74 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C15H14ClN3O |
| Molecular Weight | 287.74 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Alprazolam Standards
- Alprazolam Impurity 15 (CAS 963-39-3)
- Alprazolam Impurity 7 (CAS 1346606-48-1)
- Alprazolam EP Impurity C (CAS 36916-19-5)
- Alprazolam Impurity 4 (CAS 27610-14-6)
- Alprazolam Impurity 5 (CAS 5220-83-7)
- Alprazolam Impurity 2 (CAS 4016-85-7)
- Alprazolam impurity 24 (CAS CATO-C4X-146024)
- Alprazolam impurity 25 (CAS CATO-C4X-146025)
Recommended Standards
- Clopidogrel Impurity 120 (CAS CATO-C4X-1029120)
- Tolvaptan Impurity 29 (CAS 331947-69-4)
- 7-amino-5-(2-chlorophenyl)-1,3,4,5-tetrahydro-2H-benzo[e][1,4]diazepin-2-one (CAS CATO-C3D-262417)
- Loratadine Impurity 93 (CAS CATO-C4X-142693)
- Peficitinib Impurity 15-d3,15N (CAS CATO-C4X-280715)
- 3-Chloro-2-(pyridin-4-yl)-5-(trifluoromethyl)pyridine (CAS 1214370-11-2)
- 7-Chloro-4-ethoxy-2-hydrazinylbenzo[d]thiazole (CAS 1706444-58-7)
- 5-Bromo-2-ethoxyanisole (CAS 1070795-38-8)
- 3-Quinolinecarbonitrile, 1,4-dihydro-6-methoxy-7-[3-(4-morpholinyl)propoxy]-4-oxo- (CAS 1369509-89-6)
- Insulin aspart (CAS 116094-23-6)
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