Sulfasalazine EP Impurity E CAS 1391062-34-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1391062-34-2 |
| Molecular Formula | C29H22N6O7S2 |
| Molecular Weight | 630.65 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Sulfasalazine EP Impurity E (CAS 1391062-34-2) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C29H22N6O7S2. Molecular weight: 630.65 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C29H22N6O7S2 |
| Molecular Weight | 630.65 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) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 2 |
Related Sulfasalazine Standards
- Sulfasalazine EP Impurity G (CAS 1391062-37-5)
- Sulfasalazine EP Impurity A (CAS 1391062-35-3)
- Sulfasalazine EP Impurity B (CAS 1391062-49-9)
- Sulfasalazine EP Impurity B (CAS 1391062-49-9（free base）)
- 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
- 2,9-Bis(4-methoxybenzyl)anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone (CAS 83524-75-8)
- 2,9-Bis(4-ethoxyphenyl)anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone (CAS 24108-89-2)
- Bis(2-bromo-5-((tert-butyldimethylsilyl)oxy)phenyl)dimethylsilane (CAS 2410792-90-2)
- Iopromide EP Impurity D (Mixture of Diastereomers) (CAS 154361-55-4)
- Resmetirom impurity 15 (CAS 920509-35-9)
- Methyl 6-phenoxynicotinate (CAS 595576-44-6)
- 6-Ethyl-6-methyl-1,3,5-triazinane-2,4-dione (CAS 142528-74-3)
- tert-Butyl 2-(4-(4-hydrazinyl-4-oxobutyl)phenoxy)-2-methylpropanoate (CAS 425672-62-4)
- 3-(1,3-Dioxo-3,4-dihydroisoquinolin-2(1H)-yl)propanoic Acid (CAS 75513-35-8)
- Tirzepatide Impurity 33 (CAS CATO-C4X-324033)
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