5-(4-Ethoxyphenyl)-7-(trifluoromethyl)pyrazolo-[1,5-a]pyrimidine-2-carboxylic acid CAS 1142211-01-5
| CAS No. | 1142211-01-5 |
| Molecular Formula | C16H12F3N3O3 |
| Molecular Weight | 351.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(4-Ethoxyphenyl)-7-(trifluoromethyl)pyrazolo-[1,5-a]pyrimidine-2-carboxylic acid is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-(4-Ethoxyphenyl)-7-(trifluoromethyl)pyrazolo-[1,5-a]pyrimidine-2-carboxylic acid (CAS 1142211-01-5), molecular formula C16H12F3N3O3 and molecular weight 351.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H12F3N3O3, 5-(4-Ethoxyphenyl)-7-(trifluoromethyl)pyrazolo-[1,5-a]pyrimidine-2-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 351.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(4-Ethoxyphenyl)-7-(trifluoromethyl)pyrazolo-[1,5-a]pyrimidine-2-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H12F3N3O3 |
| Molecular Weight | 351.28 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.) | 1989 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Ethoxyphenyl Standards
- 9-(2-Ethoxyphenyl)-6,9-dihydro[1,3]dioxolo[4,5-g]furo[3,4-b]quinolin-8(5H)-one (CAS 866138-51-4)
- 1-(2-Ethoxyphenyl)-3-((2-methoxybenzyl)amino)pyrazin-2(1H)-one (CAS 899950-86-8)
- 4-(4-Ethoxyphenyl)-2-(1-methyl-1H-indol-3-yl)-4-oxobutanoic acid (CAS 937605-01-1)
- 3-(4-Ethoxyphenyl)-2-(methylthio)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one (CAS 536710-25-5)
- Ethyl (4-ethoxyphenyl)carbamate (CAS 5255-65-2)
- 1-(2-Ethoxyphenyl)-5-isopropyl-N-phenyl-1H-1,2,3-triazole-4-carboxamide (CAS 1049120-70-8)
- 4-(4-Ethoxyphenyl)-2-{[2-(morpholin-4-yl)ethyl]amino}-4-oxobutanoic acid (CAS 329929-15-9)
- (4-Ethoxyphenyl)(3-iodophenyl)methanone (CAS 951884-60-9)
Recommended Standards
- 2-{2-[3-(trifluoromethyl)phenoxy]ethoxy}-2,3-dihydro-1H-isoindole-1,3-dione (CAS 113211-14-6)
- 1-(4-Methoxybenzyl)-5-(trifluoromethoxy)indoline-2,3-dione (CAS 1160247-92-6)
- 4-((4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)sulfonyl)piperidine (CAS 2304634-01-1)
- 2,6-Bis(2-methoxyethyl) 4-(trifluoromethyl)pyridine-2,6-dicarboxylate (CAS 1208811-38-4)
- 3-(4-Chlorophenyl)-3-cyanopropanoic Acid (CAS 98923-51-4)
- N-(1-Acryloylpiperidin-3-yl)acetamide (CAS 1183323-27-4)
- 3,3,7,8-Tetramethyl-11-(2-(trifluoromethyl)phenyl)-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 330957-99-8)
- 3-Chloro-2-(trifluoromethyl)benzoic acid (CAS 857061-43-9)
- Methyl 2,3-diamino-4,6-dimethylbenzoate (CAS 344595-77-3)
- (3AS,8bS)-7-bromo-3a,8b-dihydro-3H-cyclopenta[b]benzofuran-5-carboxylic acid (CAS 88277-50-3)
- Methyl 2-acetamido-3-oxobutanoate (CAS 98432-01-0)
- 1-[(1-methyl-1h-pyrazol-4-yl)sulfonyl]piperazine (CAS 1005610-93-4)
- Colesevelam Amino Dihexylquat Impurity HBr (Amino Dihexyltrimethylammonium Bromide HBr) (CAS 2170771-70-5)
- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
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