ethyl 6-chloro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylate CAS 1628946-63-3
| CAS No. | 1628946-63-3 |
| Molecular Formula | C9H16ClN3O2 |
| Molecular Weight | 233.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 233.70 g/mol gives ethyl 6-chloro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies ethyl 6-chloro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylate (CAS 1628946-63-3), a certified reference material (molecular formula C9H16ClN3O2, MW 233.70 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H16ClN3O2, ethyl 6-chloro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylate contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 233.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), ethyl 6-chloro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylate 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 | C9H16ClN3O2 |
| Molecular Weight | 233.70 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related ethyl Standards
- 6-Chloro-N-(1-phenylethyl)pyridazin-3-amine (CAS 1036555-53-9)
- 4-Benzyl-3-chloro-5-cyclopropyl-4h-1,2,4-triazole (CAS 1087784-57-3)
- 4-Chloro-6-isopropyl-2-(pyridin-2-yl)pyrimidine (CAS 1153412-93-1)
- 2-Chloro-n-cyclopropyl-n-methylquinazolin-4-amine (CAS 1250594-42-3)
- ethyl 6-chloro-1H-pyrazolo[4,3-b]pyridine-3-carboxylate (CAS 1363380-62-4)
- ethyl 5-chloro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate (CAS 1363382-17-5)
- 4-Chloro-2-cyclopentylpyrido[3,4-d]pyrimidine (CAS 1437385-42-6)
- 8-Chloro-3-(1H-imidazol-1-yl)-1,2,3,4-tetrahydroquinoline (CAS 1447961-71-8)
Recommended Standards
- 5-Benzyl-4-chloro-6-methylpyrimidin-2-amine (CAS 162272-61-9)
- ethyl 4-chloro-5H-pyrrolo[3,2-d]pyrimidine-6-carboxylate (CAS 1638760-02-7)
- [(3-chloropyridin-4-yl)methyl](pyridin-4-ylmethyl)amine (CAS 1514324-00-5)
- 2-(2-Chlorophenyl)-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-c]pyridine (CAS 1707727-61-4)
- 2-bromopyrazolo[5,1-b]thiazole-7-carboxylic acid (CAS 2796324-14-4)
- 2-(6-Chloropyridazin-3-yl)phenol (CAS 77585-94-5)
- 3-[3-Ethyl-1-(4-isopropylphenyl)-1H-1,2,4-triazol-5-yl]propanoic acid (CAS 1142202-64-9)
- GSK-3395879, >98% (HPLC) (CAS 2215852-91-6)
- (3-Methyl-2-nitrophenyl)(pyrrolidin-1-yl)methanone (CAS 600127-00-2)
- (1R,4S)-4-((tert-butyldimethylsilyl)oxy)cyclopent-2-en-1-ol (CAS 81939-24-4)
- 2-Naphthyl benzoate (CAS 93-44-7)
- 1-Benzyl-4,6-diphenylpyrimidin-2(1H)-one (CAS 81668-45-3)
- Benzene, 1-nitro-2-(1-propen-1-yl)- (CAS 73930-99-1)
- Liraglutide Impurity 17 TFA Salt (CAS CATO-C4X-199217)
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