5-Chloro-[1,2,4]triazolo[4,3-a]pyridine-3-carbonitrile CAS 66999-73-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 66999-73-3 |
| Molecular Formula | C7H3ClN4 |
| Molecular Weight | 178.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 5-Chloro-[1,2,4]triazolo[4,3-a]pyridine-3-carbonitrile (CAS 66999-73-3) pharmaceutical standards reference standard. Molecular formula: C7H3ClN4. Molecular weight: 178.58 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C7H3ClN4 |
| Molecular Weight | 178.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 6-Chloro-1,3-benzoxazole-2-carbonitrile (CAS 1172606-59-5)
- 4-Chloro-5H-pyrrolo[3,2-d]pyrimidine-7-carbonitrile (CAS 1311275-24-7)
- 2-Chloro-5H-pyrrolo[3,2-d]pyrimidine-7-carbonitrile (CAS 1824287-31-1)
- 2-Chloro-5H-pyrrolo[3,2-d]pyrimidine-6-carbonitrile (CAS 1935335-48-0)
- 3-Chloro-1H-pyrazolo[4,3-c]pyridine-7-carbonitrile (CAS 93546-19-1)
- 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (CAS 24391-41-1)
- 5-chloro-2-isocyanatobenzonitrile (CAS 64411-72-9)
- 5-Chloro-6-methylpyrazine-2,3-dicarbonitrile (CAS 72126-54-6)
Recommended Standards
- 4-Chloropyrrolo[2,1-f][1,2,4]triazine-2-carbonitrile (CAS 2091665-05-1)
- 4-Chlorofuro[3,2-c]pyridine-2-carbonitrile (CAS 220992-52-9)
- 5-Chlorobenzo[d]oxazole-2-carbonitrile (CAS 33652-89-0)
- 2,3,5-Trimethyl Hexane (CAS 1069-53-0)
- 2-(acetoxymethyl)-6-((cyanomethyl)sulfonyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS CATO-C3D-262978)
- H-Val-Tyr-OH (CAS 3061-91-4)
- Methyl 1-hydroxy-6-nitro-1H-indole-4-carboxylate (CAS 1082042-02-1)
- Dotinurad Impurity 176 DiHBr (CAS CATO-C4X-2494176)
- Pranoprofen Impurity 75 (CAS CATO-C4X-181175)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
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