7-chloro-2-methyl-[1,2,4]triazolo[1,5-a]pyridine CAS 1894615-09-8
| CAS No. | 1894615-09-8 |
| Molecular Formula | C7H6ClN3 |
| Molecular Weight | 167.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-chloro-2-methyl-[1,2,4]triazolo[1,5-a]pyridine (CAS 1894615-09-8), molecular formula C7H6ClN3 and molecular weight 167.60 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H6ClN3, 7-chloro-2-methyl-[1,2,4]triazolo[1,5-a]pyridine contains a nitrile group, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 167.60 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 7-chloro-2-methyl-[1,2,4]triazolo[1,5-a]pyridine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H6ClN3 |
| Molecular Weight | 167.60 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 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.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 4-Chloro-1H-pyrrolo[2,3-b]pyridin-3-amine (CAS 1000340-38-4)
- 6-Chloro-1H-pyrrolo[2,3-b]pyridin-4-amine (CAS 1000340-80-6)
- 5-Chloro-1H-pyrrolo[3,2-b]pyridin-7-amine (CAS 1000577-90-1)
- 5-Chloro-1H-indazol-6-amine (CAS 100960-35-8)
- 3-chloro-6-methyl-[1,2,4]triazolo[4,3-a]pyridine (CAS 1020036-37-6)
- 7-Chloro-1H-benzo[d]imidazol-5-amine (CAS 10597-54-3)
- 6-Chloro-1H-benzo[d]imidazol-4-amine (CAS 10597-55-4)
- 2-Chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 1060816-67-2)
Recommended Standards
- 8-Chloro-2-methyl-[1,2,4]triazolo[1,5-a]pyridine (CAS 1892914-92-9)
- 3-Chloro-2-methylimidazo[1,2-b]pyridazine (CAS 1935233-51-4)
- 2-Chloro-6-(methylamino)nicotinonitrile (CAS 1845689-90-8)
- 2-Chloro-7-methyl-5H-pyrrolo[3,2-d]pyrimidine (CAS 1936254-59-9)
- 3-[3-(Trifluoromethyl)phenyl]cyclohex-2-en-1-one (CAS 191112-25-1)
- Zuclopenthixol Succinate Salt - API Standards (CAS 1246833-58-8)
- (3-(Pyridin-3-yl)-1-(p-tolyl)-1H-pyrazol-4-yl)methanol (CAS 618383-34-9)
- VU 0422288 (CAS 1630936-95-6)
- (3-Chloro-5-fluorofuran-2-yl)(phenyl)methanol (CAS 1443341-02-3)
- Zolpidem Acid Impurity 6 (CAS 51012-64-7)
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- N-{4-[(2-Bromoacetyl)amino]phenyl}butanamide (CAS 886009-20-7)
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