Raltitrexed Impurity 5 CAS 4282-31-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 4282-31-9 |
| Molecular Formula | C6H4O4S |
| Molecular Weight | 172.16 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Raltitrexed Impurity 5 (CAS 4282-31-9) pharmacopoeial impurity standards reference standard. Molecular formula: C6H4O4S. Molecular weight: 172.16 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C6H4O4S |
| Molecular Weight | 172.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Sulfur Atoms | 1 |
Related Raltitrexed Standards
- Raltitrexed Impurity 6 (CAS 6317-37-9)
- Raltitrexed Impurity 2 (CAS 18731-19-6)
- Raltitrexed Impurity 45 (CAS CATO-C4X-138645)
- Raltitrexed Impurity 44 (CAS CATO-C4X-138644)
- Raltitrexed Impurity 18 (CAS CATO-C4X-138618)
- Raltitrexed Impurity 1 (CAS 1378372-01-0)
- Raltitrexed Impurity 4 (CAS 39978-57-9)
- Raltitrexed Impurity 46 (CAS CATO-C4X-138646)
Recommended Standards
- Cefdinir Impurity 34 (CAS 73150-67-1)
- Prusogliptin impurity 2 (CAS 949153-15-5)
- 3,4-DICARBOXYTHIOPHENE 3,4-THIOPHENEDICARBOXYLIC ACID 4282-29-5 AS06782 Thiophene-3,4-dicarboxylic acid (CAS 4282-29-5)
- Lansoprazole EP Impurity C/USP Impurity B (CAS CATO-C4X-111352)
- Atorvastatin EP Impurity C Calcium Salt (CAS 693793-53-2)
- 2-(Prop-1-en-2-yl)cyclopentan-1-ol (CAS 380600-30-6)
- Ethyl 2-bromo-3-cyano-4-methylbenzoate (CAS 1805020-64-7)
- Carthamidin (CAS 479-54-9)
- N-Acetyl-S-(2-hydroxy-3-propionamide)-L-cysteine Dicyclohexylammonium Salt (CAS 137698-08-9(free acid))
- (Des-His1,Glu?)-Glucagon (1-29) amide (human, rat, porcine) (CAS 110084-95-2)
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