Coumalic Acid CAS 500-05-0
Purity >95%In StockPharmaceutical Standards
| CAS No. | 500-05-0 |
| Molecular Formula | C6H4O4 |
| Molecular Weight | 140.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Coumalic Acid (CAS 500-05-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4O4. Molecular weight: 140.09 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H4O4 |
| Molecular Weight | 140.09 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 |
Recommended Standards
- Cefuroxime Impurity 33 (CAS 1467-70-5)
- 4-Hydroxy-2-nitropyridine (CAS 101654-28-8)
- 2,6-Dihydroxy-2,5-cyclohexadiene-1,4-dione (CAS 35069-70-6)
- Rel-(3S,4S)-4-(4-bromophenoxy)tetrahydrofuran-3-amine (CAS 1258963-52-8)
- 5-(Tetrahydro-2H-pyran-2-yl)thiophene-2-carbaldehyde (CAS 915922-93-9)
- 6,8-Dibromo-2-methylquinolin-4-amine (CAS 96938-27-1)
- 4-(2-Bromophenyl)-6-methylpyrimidin-2-amine (CAS 913322-51-7)
- (αS)-3-Bromo-α-(1-methylethyl)benzeneacetic acid (CAS 2857051-12-6)
- 2-Amino-4-(aminomethyl)-5-(difluoromethyl)nicotinaldehyde (CAS 1806006-69-8)
- Semaglutide impurity 38 (CAS CATO-C4X-222638)
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