Diclofenac Impurity 19 CAS 1205-40-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1205-40-9 |
| Molecular Formula | C12H10ClN |
| Molecular Weight | 203.67 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Diclofenac Impurity 19 (CAS 1205-40-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C12H10ClN. Molecular weight: 203.67 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C12H10ClN |
| Molecular Weight | 203.67 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Diclofenac Standards
- Diclofenac impurity 7 (CAS 2563-99-7)
- Diclofenac Impurity N1 (CAS 131023-43-3)
- Diclofenac Impurity 40 (CAS CATO-C4X-105140)
- Diclofenac sodium Impurity 6 (CAS 70172-33-7)
- Diclofenac impurity 4 (CAS 1928-49-0)
- Diclofenac Impurity 21 (CAS 105836-68-8)
- Diclofenac Sodium Impurity 33 (CAS 58373-59-4)
- Diclofenac sodium Impurity 38 (CAS 15307-93-4)
Recommended Standards
- 4-Chloro-N-phenylaniline (CAS 1205-71-6)
- Chlorphenamine Impurity 20 (CAS 4350-41-8)
- 1H-INDOLE-2-CARBOXYLIC ACID, 7-CHLORO- 28899-75-4 7-CHLORO-1H-INDOLE-2-CARBOXYLIC ACID 7-Chloroindole-2-carboxylic acid AS06050 (CAS 28899-75-4)
- Docetaxel EP Impurity A (CAS 1887057-05-7)
- Drotaverin Impurity 53 (CAS CATO-C4X-243553)
- tert-Butyl(2S-cis)-4-(benzyloxy)-2-(hydroxymethyl)pyrrolidine-1-carboxylate (CAS 134883-25-3)
- 2-(Difluoromethyl)-6-iodo-5-methylpyridine-3-carboxaldehyde (CAS 1806952-20-4)
- 6-Chloro-1,8-naphthyridin-2(1H)-one (CAS 127446-42-8)
- 2,2-dimethylheptanedinitrile (CAS 500310-59-8)
- Semaglutide impurity 258 (CAS CATO-C4X-2226258)
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