Sulfasalazine EP Impurity B CAS 1391062-49-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1391062-49-9 |
| Molecular Formula | C29H22N8O7S2 |
| Molecular Weight | 658.66 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Sulfasalazine EP Impurity B (CAS 1391062-49-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C29H22N8O7S2. Molecular weight: 658.66 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C29H22N8O7S2 |
| Molecular Weight | 658.66 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) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 8 |
| Sulfur Atoms | 2 |
Related Sulfasalazine Standards
- Sulfasalazine EP Impurity B (CAS 1391062-49-9（free base）)
- Sulfasalazine EP Impurity E (CAS 1391062-34-2)
- Sulfasalazine EP Impurity G (CAS 1391062-37-5)
- Sulfasalazine EP Impurity A (CAS 1391062-35-3)
- Sulfasalazine impurity 15 (CAS CATO-C4X-141915)
- Sulfasalazine Impurity 21 (CAS 2033064-44-5)
- Sulfasalazine Impurity 19 (CAS 2033064-46-7)
- Sulfasalazine Impurity 17 (CAS CATO-C4X-141917)
Recommended Standards
- 5,5'-Diisopropyl-3,3'-dimethyl-1,1',4,4'-tetraoxo-1,1',4,4'-tetrahydro-[2,2'-binaphthalene]-6,6',7,7'-tetrayl tetraacetate (CAS 886435-01-4)
- Nicorandil Impurity 67 (CAS CATO-C4X-190767)
- 2,2'-(((Oxalylbis(4,1-phenylene))bis(oxy))bis(4,1-phenylene))bis(1-phenylethane-1,2-dione) (CAS 59727-31-0)
- Thioctic acid Impurity 25 (CAS 728854-75-9)
- Cefmetazole Impurity 68 (CAS CATO-C4X-150768)
- 5-Chloropyridine-3-sulfonamide (CAS 1334148-60-5)
- 6-Chloro-2,4-dibromo-3-fluoroaniline (CAS 1823495-88-0)
- 3-Amino-n-(4-methylphenyl)propanamide (CAS 515131-50-7)
- Methyl 2,4-Dichloropyrimidine-5-carboxylate (CAS 3177-20-6)
- D-[Ala]24-Semaglutide (CAS CATO-C4X-2226126)
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