Malic Acid Impurity 3 CAS 66178-02-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 66178-02-7 |
| Molecular Formula | C5H8O5 |
| Molecular Weight | 148.11 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Malic Acid Impurity 3 (CAS 66178-02-7) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H8O5. Molecular weight: 148.11 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H8O5 |
| Molecular Weight | 148.11 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1975 |
Related Malic Standards
Recommended Standards
- D(+)-Ribonic acid gamma-lactone (CAS 5336-08-3)
- Gadoteridol Impurity N112 (CAS CATO-C4X-1514112)
- 3-Hydroxyglutaric Acid (CAS 638-18-6)
- Azelastine impurity 55 (CAS CATO-C4X-139655)
- Vilanterol Impurity 82 (CAS CATO-C4X-193582)
- 1-(3-Fluorobenzyl)-1h-imidazol-2-amine (CAS 1179962-33-4)
- 1-[(5-Methyl-1,2-oxazol-3-yl)methyl]-4-(4-{[5-(trifluoromethyl)pyridin-2-yl]oxy}benzoyl)piperazine (CAS 1111471-57-8)
- 4-ISOPROPOXY-6-(4-METHYLPIPERAZIN-1-YL)PYRIDIN-3-AMINE (CAS 1462950-94-2)
- (1S,2S)-2,6-dimethyl-2,3-dihydro-1H-inden-1-ol (CAS 945613-46-7)
- Semaglutide impurity 69 (CAS CATO-C4X-222669)
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