Acid Red 249 CAS 6416-66-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 6416-66-6 |
| Molecular Formula | C29H20ClN3O10S3 2*Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Acid Red 249 (CAS 6416-66-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C29H20ClN3O10S3 2*Na. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C29H20ClN3O10S3 2*Na |
| Molecular Weight | 725.11 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 3 |
Recommended Standards
- 4-[(4-Propylphenyl)amino]butanoic acid (CAS 1016671-28-5)
- 3,6-Dichloro-2-(difluoromethoxy)benzodifluoride (CAS 1806349-04-1)
- 4-Cyanophenylzinc bromide (CAS 131379-14-1)
- 2-(4-Ethylphenyl)-4-methylpyrrolidine (CAS 603068-51-5)
- 3-(Thietan-3-ylamino)butanamide (CAS 1849216-13-2)
- Lumateperone Impurity 70 (CAS CATO-C4X-220170)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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