methyl 7-chloro-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylate CAS 926269-31-0
| CAS No. | 926269-31-0 |
| Molecular Formula | C8H15ClN4O2 |
| Molecular Weight | 234.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of methyl 7-chloro-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylate is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
methyl 7-chloro-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylate (CAS 926269-31-0), molecular formula C8H15ClN4O2 and molecular weight 234.68 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, methyl 7-chloro-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylate (C8H15ClN4O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 234.68 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H15ClN4O2 |
| Molecular Weight | 234.68 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related methyl Standards
- 2-chloro-N-quinolin-5-ylpropanamide (CAS 1000930-68-6)
- 6-chloro-n-[2-(pyridin-4-yl)ethyl]pyrimidin-4-amine (CAS 1016914-76-3)
- 5-Chloro-3-ethyl-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 1046784-61-5)
- 4-Chloro-6-(2-ethoxyphenyl)pyrimidine (CAS 1073485-22-9)
- 1098347-54-6 2-Chloro-N-quinolin-3-ylpropanamide MFCD11644441 (CAS 1098347-54-6)
- 3-Chloro-6-(4-ethoxyphenyl)pyridazine (CAS 1105194-82-8)
- 2-Chloro-3-(2-methoxybenzyl)pyrazine (CAS 1119450-87-1)
- 1-(5-Chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethanone (CAS 1140-37-0)
Recommended Standards
- ethyl 6-chloro-[1,2,4]triazolo[4,3-b]pyridazine-3-carboxylate (CAS 75680-93-2)
- N-(2-Chloroethyl)quinoline-2-carboxamide (CAS 202191-13-7)
- Ethyl 4-(2-chloroacetyl)piperazine-1-carboxylate (CAS 40981-17-7)
- N'-(4-chlorophenyl)-1-methyl-1H-imidazole-4-carboximidamide (CAS 959604-71-8)
- 4-Cyclopropoxy-N1,N1-dimethylbenzene-1,2-diamine (CAS 1243281-54-0)
- Methyl 4-(Bromomethyl)phenylacetate (CAS 7398-42-7)
- 6-(4-Methylpiperidin-1-yl)pyrimidin-4-amine (CAS 1314355-53-7)
- 8-Hydroxyhydromorphone (CAS 339525-94-9)
- 2-(1,1-Dioxidotetrahydrothiophen-3-yl)-2,4,5,6-tetrahydrocyclopenta[c]pyrazole-3-carboxylic acid (CAS 889941-09-7)
- Beraprost Impurity 13 (CAS CATO-C4X-218413)
- 2-Fluoro-1-iodo-4-(trifluoromethyl)benzene (CAS 132554-73-5)
- Terbutaline Impurity 27 (CAS 147942-88-9)
- (4S,6S)-6-(Hydroxymethyl)hexahydropyridazin-4-ol (CAS 443649-14-7)
- Acetyl-(Leu28·31)-Neuropeptide Y (24-36) (CAS 155709-24-3)
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