Aspirin Impurity A CAS 99-96-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 99-96-7 |
| Molecular Formula | C7H6O3 |
| Molecular Weight | 138.12 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Aspirin Impurity A (CAS 99-96-7) pharmacopoeial impurity standards reference standard. Molecular formula: C7H6O3. Molecular weight: 138.12 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H6O3 |
| Molecular Weight | 138.12 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Aspirin Standards
- Aspirin Impurity C / Mesalazine EP Impurity H (CAS 69-72-7)
- Aspirin Impurity 25 (CAS 38160-63-3)
- Aspirin Impurity 12 (CAS 13110-96-8)
- Aspirin Impurity 21 (CAS 606-19-9)
- Aspirin Impurity 22 (CAS 601-97-8)
- Aspirin Impurity 27 (CAS 25714-71-0)
- Aspirin Impurity 13 (CAS 57009-12-8)
- Aspirin Impurity 17 (CAS 77527-00-5)
Recommended Standards
- Glipizide Impurity 13 (CAS 5521-61-9)
- Nalfurafine Impurity 9 (CAS 539-47-9)
- Acipimox Impurity 1 (CAS 5521-55-1)
- Finasteride Impurity 60 HCl (CAS CATO-C4X-164560)
- Flomoxef Impurity 22 (CAS 56610-81-2)
- 3-(2-Chlorophenyl)-3-methylpyrrolidine (CAS 1250844-37-1)
- 6-Methyl-8-methylsulfanyl-imidazo[1,2-a]pyrazine (CAS 1094070-46-8)
- Ethyl 4-chloroquinoline-6-carboxylate (CAS 148018-34-2)
- 3-Cyclopropoxy-5-fluorobenzaldehyde (CAS 1243401-13-9)
- Tirzepatide Impurity 43 (CAS CATO-C4X-324043)
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