2-Methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-5-carboxylic acid CAS 1018050-74-2
| CAS No. | 1018050-74-2 |
| Molecular Formula | C9H6F3N3O2 |
| Molecular Weight | 245.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H6F3N3O2, 2-Methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-5-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 245.16 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.
CATO supplies 2-Methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 1018050-74-2), a certified reference material (molecular formula C9H6F3N3O2, MW 245.16 g/mol) for analytical method development and quality control.
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 | C9H6F3N3O2 |
| Molecular Weight | 245.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- 5-Methyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 1018143-96-8)
- 3-Methyl-5-(trifluoromethyl)-3H-imidazo[4,5-b]pyridine-2-carboxylic acid (CAS 1260671-73-5)
- 3-Methyl-5-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 1443279-18-2)
- 1-Methyl-3-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 1779765-25-1)
- 7-Methyl-2-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 1782824-90-1)
- 6-Methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 1790365-86-4)
- 1-Methyl-7-(trifluoromethyl)-1h,2h,3h,4h-pyrido[2,3-d]pyrimidine-2,4-dione (CAS 779352-05-5)
- 2-Methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 691868-52-7)
Recommended Standards
- N-Fluoro-6-(trifluoromethyl)pyridinium-2-sulphonate (CAS 231285-89-5)
- N-(3,5-dichlorophenyl)piperidin-4-amine (CAS 886506-51-0)
- 4-Bromo-2,2'-bithiophene (CAS 112051-56-6)
- N-(3,4-dichlorophenyl)piperidin-4-amine (CAS 298699-16-8)
- 5-Phenyl-1,2-oxazole-3-carbonyl chloride 5-Phenylisoxazole-3-carbonyl chloride 78189-50-1 (CAS 78189-50-1)
- Methyl 6-butoxynicotinate (CAS 1334499-23-8)
- 3-(Fluoromethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazine (CAS 1391732-78-7)
- tert-Butyl (2-chloro-5-(hydroxymethyl)-4-iodophenyl)carbamate (CAS 2235412-27-6)
- 5-Bromo-6-chloropyridin-2-ol (CAS 1227603-81-7)
- 2-Bromo-6-chloro-4-fluorobenzenesulfonamide (CAS 1208075-45-9)
- Methyl pentafluoromethacrylate (CAS 685-09-6)
- 6-(Difluoromethyl)pyrimidine-4-carbonitrile (CAS 1256638-33-1)
- 8-Bromo-2,2-dimethyl-2,3,4,5-tetrahydrobenzo[f][1,4]oxazepine (CAS 1782540-56-0)
- Pheromone Biosynthesis Activating Neuropeptide (Helicoverpa assulta, Heliothis zea) (CAS 122071-54-9)
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