2-Chloro-5-fluoro-4-methylpyridine CAS 881891-83-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 881891-83-4 |
| Molecular Formula | C6H5ClFN |
| Molecular Weight | 145.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2-Chloro-5-fluoro-4-methylpyridine (CAS 881891-83-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H5ClFN. Molecular weight: 145.56 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H5ClFN |
| Molecular Weight | 145.56 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 2-Chloro-5-fluoro-3-methylpyridine (CAS 38186-84-4)
- 2-Chloro-5-fluoroaniline (CAS 452-83-5)
- 2-Chloro-5-(Fluoromethyl)Pyridine (CAS 253686-24-7)
- 5,5'-Oxydiisophthalic acid (CAS 1817605-38-1)
- 3-Hydroxy-2-methoxy-6-(methoxymethyl)benzoic acid (CAS 115319-77-2)
- 3,7-dimethyl-5-oxo-5h-[1,3]thiazolo[3,2-a]pyrimidine-2-carboxylic acid (CAS 1017419-69-0)
- 6-(Tert-butoxycarbonyl)-2-(1H-pyrrol-1-yl)-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylic acid (CAS 1215764-56-9)
- (E)-N'-{7-[1-(2-fluorophenoxy)ethyl]-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl}-N,N-dimethylmethanimidamide (CAS 477865-53-5)
- tert-Butyl 2-amino-4-(1-methyl-1H-pyrazol-4-yl)thiophene-3-carboxylate (CAS 1556208-90-2)
- (Tyr9)-Cholecystokinin Octapeptide (sulfated) (H-9770.0005) (CAS 96607-61-3)
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