3-Chloro-5-(3-methoxyphenyl)-7-(trifluoromethyl)-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid CAS 797809-12-2
| CAS No. | 797809-12-2 |
| Molecular Formula | C15H9ClF3N3O3 |
| Molecular Weight | 371.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 371.70 g/mol gives 3-Chloro-5-(3-methoxyphenyl)-7-(trifluoromethyl)-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Chloro-5-(3-methoxyphenyl)-7-(trifluoromethyl)-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 797809-12-2) is a high-purity analytical reference standard with the molecular formula C15H9ClF3N3O3 and a molecular weight of 371.70 g/mol.
Structurally, 3-Chloro-5-(3-methoxyphenyl)-7-(trifluoromethyl)-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (C15H9ClF3N3O3) 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 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 371.70 g/mol, it falls into the moderately-high-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.
As a certified reference material (CRM), 3-Chloro-5-(3-methoxyphenyl)-7-(trifluoromethyl)-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid 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 | C15H9ClF3N3O3 |
| Molecular Weight | 371.70 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)(methyl)amino)-4-hydroxyisoindoline-1,3-dione (CAS 338775-00-1)
- 3-Chloro-5-(2-methoxyphenyl)-7-(trifluoromethyl)-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 695191-62-9)
- 3-Chloro-5-(4-methoxyphenyl)-7-(trifluoromethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 312922-09-1)
- N-(2-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)amino)ethyl)-1,1,1-trifluoromethanesulfonamide (CAS 338406-31-8)
- 5-Chloro-1-methyl-3-(trifluoromethyl)-N-(3-(trifluoromethyl)phenyl)-1H-pyrazole-4-carboxamide (CAS 158713-25-8)
- 4-((4-Chloro-2-nitrophenyl)diazenyl)-3-hydroxy-2-naphthoic acid (CAS 72011-11-1)
- (Z)-3-[5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]-2-(3,4-dimethoxyphenyl)-2-propenenitrile (CAS 477762-22-4)
- 2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)(methyl)amino)-3a,4,7,7a-tetrahydro-1H-4,7-methanoisoindole-1,3(2H)-dione (CAS 317820-39-6)
Recommended Standards
- N-{3-[3,5-bis(trifluoromethyl)phenyl]-1,1-dimethylprop-2-ynyl}-2-chloroacetamide (CAS 646498-06-8)
- 2-Phenyl-N-(2,2,2-trichloro-1-(p-tolylamino)ethyl)acetamide (CAS 301816-57-9)
- (4-(4-Chlorophenyl)-6-(trifluoromethyl)pyrimidin-2-yl)-L-proline (CAS 1102852-18-5)
- 1-(4-Methoxyphenyl)-3-phenyl-2-(trichloromethyl)imidazolidine (CAS 61545-14-0)
- Hexafluoro-4-(trifluoromethyl)pent-2-enoic acid (CAS 239795-58-5)
- 1-Amino-3-methyl-1H-pyrrole-2-carboxamide (CAS 310436-79-4)
- Cortistatin-29 (human) trifluoroacetate salt (CAS 1815618-16-6)
- 2-(Diphenylphosphoryl)cyclohept-1-ene-1-carboxylic acid (CAS 885456-93-9)
- Tegoprazan Impurity 147 (CAS CATO-C4X-2297147)
- 3-(3,5-Dichlorophenyl)-2-methylpropanoic acid (CAS 1269527-81-2)
- 2,3,4-Trifluorobenzenesulfonyl Chloride (CAS 175278-08-7)
- Ethyl 4-bromo-1,3-dihydroxy-2-naphthoate (CAS 100375-06-2)
- n-(2-Methylcyclohexyl)-5,6-dihydro-4h-1,3-thiazin-2-amine (CAS 748776-71-8)
- Semaglutide Impurity 122 (CAS CATO-C4X-2226122)
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