Comanic Acid CAS 499-05-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 499-05-8 |
| Molecular Formula | C6H4O4 |
| Molecular Weight | 140.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Comanic Acid (CAS 499-05-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C6H4O4. Molecular weight: 140.09 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H4O4 |
| Molecular Weight | 140.09 g/mol |
| Purity | 97%+ |
| 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
- 4-Methylene-5-oxo-4,5-dihydrofuran-3-carboxylic acid (CAS 887569-76-8)
- 2,5-Dihydroxy-1,4-benzoquinone (CAS 615-94-1)
- 4,6-Dihydro-1H,3H-furo[3,4-c]furan-1,3-dione (CAS 2848675-00-1)
- 2-((4-(4-Bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-chloro-2-methylphenyl)acetamide (CAS 477329-87-6)
- 3-(2-Cyanophenyl)-5-fluorobenzoic acid (CAS 1352317-82-8)
- N,1-Dimethyl-1H-indol-2-amine (CAS 725201-74-1)
- Disodium terephthalate (CAS 10028-70-3)
- 2-(o-Tolyl)benzo[b]thiophene (CAS 55084-51-0)
- Imatinib Impurity 94 (CAS CATO-C4X-106894)
- Semaglutide Impurity 147 (CAS CATO-C4X-2226147)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com