3-Chloro-5-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid CAS 524036-11-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 524036-11-1 |
| Molecular Formula | C9H5ClF3N3O2 |
| Molecular Weight | 279.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-5-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 524036-11-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H5ClF3N3O2. Molecular weight: 279.60 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H5ClF3N3O2 |
| Molecular Weight | 279.60 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.) | 1984 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- Methyl 5-chloro-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 120503-12-0)
- 3-Chloro-2-methyl-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 866039-33-0)
- 8-Chloro-6-(trifluoromethyl)-[1,2,4]triazolo[4,3-a]pyridin-3-yl acetate (CAS 338748-51-9)
- 6-Chloro-1-(2,4-dichlorophenyl)hexan-1-one (CAS 898786-13-5)
- 6-Chloro-1-(3,4-dichlorophenyl)-1-oxohexane (CAS 898761-00-7)
- 3-(4-Chloro-2-fluoro-5-methylphenyl)-5-(trifluoromethyl)isoxazole (CAS 653569-92-7)
- 8-Chloro-5-fluoro-4-methoxy-2-(trifluoromethyl)quinoline (CAS 917251-95-7)
- 3-Chloro-5-fluoro-7-nitro-2H-benzo[e][1,2,4]thiadiazine 1,1-dioxide (CAS 1437458-04-2)
Recommended Standards
- Ethyltris(dimethylsiloxy)silane (CAS 150320-87-9)
- Prothioconazole Impurity N7 (CAS 134818-67-0)
- 5-(Chloromethyl)-3-(4-fluoro-2-(trifluoromethyl)phenyl)isoxazole (CAS 858939-35-2)
- 1-Phenyl-4-(1,4-dioxaspiro[4.5]decan-8-yl)piperazine (CAS 349449-96-3)
- 5-Hydroxy-6-(3-hydroxy-4-methoxyphenethoxy)-2-(hydroxymethyl)-4-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-3-yl 3-(4-hydroxy-3-methoxyphenyl)acrylate (CAS 165338-27-2)
- Morpholino(thiophen-3-yl)methanone (CAS 1090955-28-4)
- 1-[(5-sulfanyl-1,3,4-oxadiazol-2-yl)methyl]pyrrolidin-2-one (CAS 160758-18-9)
- Sodium 3-chloro-4-methoxybenzenesulfinate (CAS 196866-01-0)
- Phenanthrene-2,6-diyldiboronic acid (CAS 1219825-86-1)
- Endo-[Glu]31-Liraglutide (CAS CATO-C4X-199234)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com