Chromotropic Acid Disodium Salt CAS 129-96-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 129-96-4 |
| Molecular Formula | C10H6O8S2 2*Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Chromotropic Acid Disodium Salt (CAS 129-96-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C10H6O8S2 2*Na. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C10H6O8S2 2*Na |
| Molecular Weight | 341.26 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 2 |
Recommended Standards
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- 2-(2-Bromo-3,4-dimethoxyphenyl)acetyl chloride (CAS 104421-97-8)
- (7-Chloro-1H-indol-2-yl)methanol (CAS 53590-62-8)
- 3,6,19,23-Tetrahydroxy-12-ursen-28-oic acid 91095-51-1 C30H48O6 W2611 (CAS 91095-51-1)
- Ethyl 8-nitro-2-(trifluoromethyl)imidazo[1,2-a]pyridine-3-carboxylate (CAS 2379918-47-3)
- C-Peptide（dog） (CAS 39016-05-2)
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