4-Chloro-pyridine-2-carbonitrile CAS 19235-89-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19235-89-3 |
| Molecular Formula | C6H3ClN2 |
| Molecular Weight | 138.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-pyridine-2-carbonitrile (CAS 19235-89-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H3ClN2. Molecular weight: 138.55 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H3ClN2 |
| Molecular Weight | 138.55 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-5-ethynylpyrazine (CAS 1196153-73-7)
- 2-Chloro-5-ethynylpyrimidine (CAS 1196156-89-4)
- 5-Chloro-2-ethynylpyrimidine (CAS 1196156-95-2)
- 4-Chloro-2-ethynylpyrimidine (CAS 1196156-98-5)
- 2-Chloro-6-ethynylpyrazine (CAS 1196157-03-5)
- 4-Chloro-6-ethynylpyrimidine (CAS 1211535-06-6)
- Methyl 2-chloro-2-methoxy-acetate (CAS 13157-96-5)
- 2-Chloro-3-ethynylpyrazine (CAS 1374115-59-9)
Recommended Standards
- H-b-Chloro-Ala-NHOH (F-3380.0250) (CAS 163682-35-7)
- 1-chloroethyl methyl carbonate (CAS 80196-03-8)
- 3-Chloro-6-ethynylpyridazine (CAS 160510-68-9)
- 5-Bromo-2-(chloromethyl)-4-fluorophenol (CAS 1805553-10-9)
- (2-Bromo-5-(trifluoromethyl)thiazol-4-yl)methyl methanesulfonate (CAS 2168808-34-0)
- N-((S)-sec-Butyl)-8-(6-methoxy-2-methylpyridin-3-yl)-2,7-dimethylpyrazolo[1,5-a][1,3,5]triazin-4-amine (CAS 1149605-19-5)
- 1220031-07-1 2-(2-Pyridinyl)-6,7-dihydro-5H-pyrrolo[3,4-d]-pyrimidin-4-ol (CAS 1220031-07-1)
- 2-fluoro-4,6-dimethylaniline (CAS 1780776-35-3)
- Methyl 2-{4-[4-amino-3-(trifluoromethyl)phenoxy]-phenyl}acetate (CAS 946784-78-7)
- [Ser39-OH] Tirzepatide (CAS CATO-C4X-324041)
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