Methyl 1-(3-chloropyridin-2-yl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxylate CAS 1055071-09-4
| CAS No. | 1055071-09-4 |
| Molecular Formula | C11H7ClF3N3O2 |
| Molecular Weight | 305.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 1-(3-chloropyridin-2-yl)-3-(trifluoromethyl)-1H-pyrazole-5-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.
Methyl 1-(3-chloropyridin-2-yl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxylate (CAS 1055071-09-4) is a high-purity analytical reference standard with the molecular formula C11H7ClF3N3O2 and a molecular weight of 305.64 g/mol.
Structurally, Methyl 1-(3-chloropyridin-2-yl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxylate (C11H7ClF3N3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 305.64 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H7ClF3N3O2 |
| Molecular Weight | 305.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 5-(3-Chloropyridin-2-yl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole-4-carboxylic acid (CAS 1423030-58-3)
- 1-[(6-Chloropyridin-3-yl)methyl]-4-(4-fluorophenyl)piperazine (CAS 478048-50-9)
- 1-[(2-chloropyridin-3-yl)sulfonyl]piperidine-4-carboxylic acid (CAS 929975-76-8)
- 1-[(2-Chloropyridin-3-yl)sulfonyl]piperidine-4-carboxamide (CAS 1156723-20-4)
- N-(5-chloropyridin-2-yl)-5-methoxy-2-nitrobenzamide (CAS 280773-16-2)
- N1-(5-Chloropyridin-2-yl)-N2-(2-(2-methyl-1H-imidazol-1-yl)ethyl)oxalamide (CAS 1208546-56-8)
- 4-((2-Chloropyridin-4-yl)methyl)-1-(methylsulfonyl)azepane (CAS 1316218-00-4)
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Recommended Standards
- 4-Chloro-3-nitro-1-(3-(trifluoromethyl)benzyl)-1H-pyrazole (CAS 1006441-97-9)
- 1-(4-Chloro-3-(trifluoromethyl)phenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1097050-88-8)
- 3-Fluoro-4-(2,2,2-trifluoroacetamido)benzenesulfonyl chloride (CAS 943654-25-9)
- 1-[2-chloro-5-(trifluoromethyl)phenyl]-5-methyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1284455-23-7)
- Tert-butyl ((1s,3s)-3-hydroxy-3-(trifluoromethyl)cyclobutyl)carbamate (CAS 2167749-56-4)
- 1-(5-Bromopyridin-3-yl)ethan-1-ol (CAS 283608-66-2)
- 4,4'-(Propane-2,2-diyl)bis(2-(sec-butyl)phenol) (CAS 32113-46-5)
- 2-(2,5-Dichlorophenyl)pyrrole (CAS 99113-94-7)
- 3-Nitro-N-(p-tolyl)benzenesulfonamide (CAS 4284-46-2)
- 3-((tert-Butyldimethylsilyl)oxy)-2-(1-(2-hydroxybut-3-yn-2-yl)cyclopropyl)-5-(trimethylsilyl)pent-4-yn-2-ol (CAS 1797112-19-6)
- 2,6-Diiodobenzo[1,2-b:4,5-b']dithiophene (CAS 155904-20-4)
- 1-Cyclopropylprop-2-yn-1-ol (CAS 1656-85-5)
- 2-((5-Chloro-6-methyl-2-phenylpyrimidin-4-yl)thio)-N,N-dimethylacetamide (CAS 338780-06-6)
- Neuropeptide Y (18-36) (CAS 114495-97-5)
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