Febuxostat Impurity 75 CAS 138330-01-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 138330-01-5 |
| Molecular Formula | C10H9NOS |
| Molecular Weight | 191.25 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Febuxostat Impurity 75 (CAS 138330-01-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H9NOS. Molecular weight: 191.25 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H9NOS |
| Molecular Weight | 191.25 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Febuxostat Standards
- Febuxostat impurity 37 (CAS 1229019-33-3)
- Febuxostat Impurity 32 (CAS 1805770-41-5)
- Febuxostat impurity 36 (CAS 1805770-40-4)
- Febuxostat Impurity 34 (CAS 18962-07-7)
- Febuxostat Impurity 44 (CAS 79836-78-5)
- Febuxostat Impurity 19 (CAS CATO-C4X-116219)
- Febuxostat Impurity 50 (CAS 609-15-4)
- Febuxostat Impurity 39 (CAS 161718-85-0)
Recommended Standards
- 38942-51-7 4H-1,2,4-Triazole-3-thiol, 4-methyl-5-phenyl- G-32465 2,4-Dihydro-4-methyl-5-phenyl-3H-1,2,4-triazole-3-thione ENT 25,558-X Geigy G-32465 3H-1,2,4-Triazole-3-thione, 2,4-dihydro-4-methyl-5-phenyl- (CAS 38942-51-7)
- Tiopronin Impurity 5 (CAS CATO-C4X-15165)
- Spiro[benzo[b][1,4]thiazine-2,1'-cyclopropan]-3(4H)-one (CAS 681286-61-3)
- Lomustine EP Impurity B (CAS 13908-11-7)
- Docetaxel Impurity 27 (CAS CATO-C4X-161927)
- N-isopropyl-4-methylthiazol-2-amine (CAS 89852-42-6)
- O-(Tert-butyldimethylsilyl) (CAS 165065-02-1)
- Ethyl 4-[(2,4-dimethylphenyl)sulfanyl]-8-(trifluoromethyl)quinoline-3-carboxylate (CAS 477847-17-9)
- 2-(4-Bromo-1-ethyl-1h-pyrazol-3-yl)acetonitrile (CAS 1310379-47-5)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
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