2-Chloro-5-nitropyridine-3-carbonitrile CAS 31309-08-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31309-08-7 |
| Molecular Formula | C6H2ClN3O2 |
| Molecular Weight | 183.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-5-nitropyridine-3-carbonitrile (CAS 31309-08-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H2ClN3O2. Molecular weight: 183.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H2ClN3O2 |
| Molecular Weight | 183.55 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 6-Chloro-5-nitropicolinonitrile (CAS 1232432-41-5)
- 2-Chloro-3-nitroisonicotinonitrile (CAS 1394041-65-6)
- 2-Chloro-5-nitroisonicotinonitrile (CAS 1480179-77-8)
- 4-Chloro-5-nitronicotinonitrile (CAS 1707581-29-0)
- 2-Chloro-4-nitronicotinonitrile (CAS 1807215-18-4)
- 4-Chloro-5-nitropicolinonitrile (CAS 1807254-01-8)
- 5-Chloro-2-cyano-3-nitropyridine (CAS 181123-11-5)
- 3-Chloro-5-nitropyridine-2-carbonitrile (CAS 488713-30-0)
Recommended Standards
- 6-Chlorofuro[3,4-c]pyridine-1,3-dione (CAS 1823916-69-3)
- 3-Chlorofuro[3,4-b]pyridine-5,7-dione (CAS 98278-86-5)
- 4-Chlorofuro[3,4-c]pyridine-1,3-dione (CAS 2306500-35-4)
- Demephion (O&S) (CAS 8065-62-1)
- (2-Amino-6-bromo-3-fluorophenyl)methanol (CAS 1227958-14-6)
- 5-Nitro-2-(piperidin-4-yl)pyridine (CAS 885274-74-8)
- (3AR,5R,5aS,8aS,8bR)-5-ethyl-2,2,7,7-tetramethyltetrahydro-5H-bis([1,3]dioxolo)[4,5-b:4',5'-d]pyran (CAS 117475-49-7)
- Calcium chloride dihydrate (CAS 10035-04-8)
- Benidipine Impurity 38 (CAS CATO-C4X-112038)
- Semaglutide impound 212 (CAS CATO-C4X-2226212)
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