Azathioprine Impurity 18 CAS 304441-06-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 304441-06-3 |
| Molecular Formula | C10H9N7O2S |
| Molecular Weight | 291.29 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Azathioprine Impurity 18 (CAS 304441-06-3) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C10H9N7O2S. Molecular weight: 291.29 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C10H9N7O2S |
| Molecular Weight | 291.29 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 7 |
| Sulfur Atoms | 1 |
Related Azathioprine Standards
- Azathioprine Impurity 20 (CAS 302840-04-6)
- Azathioprine EP Impurity G (Thiamiprine) (CAS 5581-52-2)
- Azathioprine Impurity 17 (CAS CATO-C4X-146317)
- Azathioprine-13C4 (CAS 1346600-71-2)
- Azathioprine-d3 (CAS 446-86-6 (Unlabeled))
- Azathioprine Impurity 14 (CAS 49808-20-0)
- Azathioprine (CAS 446-86-6)
- Azathioprine Impurity 25 (CAS CATO-C4X-146325)
Recommended Standards
- N-isopropyl-1-methyl-3-(trifluoromethyl)-1H-thieno[2,3-c]pyrazole-5-carboxamide (CAS 477886-39-8)
- N-(6-Amino-2-thioxo-1,2-dihydropyrimidin-4-yl)-3-nitrobenzamide (CAS 66646-58-0)
- Rimegepant Impurity 31 (CAS CATO-C4X-248731)
- Alogliptin Impurity 69 (CAS 1243378-31-5)
- Gefitinib Impurity 57 (CAS 861453-11-4)
- 3-((1,4-Dioxaspiro[4.5]decan-8-yl)amino)propan-1-ol (CAS 1042574-66-2)
- 6-Bromo-4-methoxythieno[3,2-d]pyrimidine (CAS 215927-37-0)
- 3-Amino-2-bromo-5-fluorobenzoic acid (CAS 1343343-57-6)
- Benzyl 5-methyl-1,4-diazepane-1-carboxylate (CAS 217972-87-7)
- Vancomycin Hexapeptide (CAS 115236-65-2)
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