Pigment Red 49:2 CAS 1103-39-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1103-39-5 |
| Molecular Formula | 2*C20H13N2O4S Ca |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pigment Red 49:2 (CAS 1103-39-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: 2*C20H13N2O4S Ca. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | 2*C20H13N2O4S Ca |
| Molecular Weight | 417.47 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 |
| Degree of Unsaturation (DBE) | 15.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Pigment Standards
Recommended Standards
- 2,5-Dimethyl-1-(2-methyl-5-nitrophenyl)-1H-pyrrole-3-carbaldehyde (CAS 714278-11-2)
- 4-((4-Ethylpiperazin-1-yl)methyl)phenylboronic acid (CAS 1334171-28-6)
- Saxagliptin Hydrochloride Dihydrate (CAS 1073057-20-1)
- 1H-Pyrazolo[3,4-β]pyridine-3-diazonium Tetrafluoroborate(1-) (CAS 63682-46-2)
- 2,5-Furandione, polymer with 1,1'-oxybis[2-propanol] and 1,2-propanediol (CAS 68958-33-8)
- (1-(3-Chlorobenzyl)piperidin-2-yl)methanol (CAS 415702-06-6)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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