2-(4-Fluorophenyl)-5-(1,3,5-trimethyl-1h-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid CAS 956439-72-8
| CAS No. | 956439-72-8 |
| Molecular Formula | C19H16FN5O2 |
| Molecular Weight | 365.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(4-Fluorophenyl)-5-(1,3,5-trimethyl-1h-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2-(4-Fluorophenyl)-5-(1,3,5-trimethyl-1h-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid (CAS 956439-72-8), a certified reference material (molecular formula C19H16FN5O2, MW 365.36 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H16FN5O2, 2-(4-Fluorophenyl)-5-(1,3,5-trimethyl-1h-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-7-carboxylic acid contains a steroid core, 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 365.36 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-(4-Fluorophenyl)-5-(1,3,5-trimethyl-1h-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-7-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 | C19H16FN5O2 |
| Molecular Weight | 365.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
Related Fluorophenyl Standards
- 2-Benzyl-5-(1-(4-fluorophenyl)-5-(methoxymethyl)-1H-1,2,3-triazol-4-yl)-1,3,4-oxadiazole (CAS 1081131-10-3)
- Ethyl 4-(2-((2-fluorophenyl)sulfonyl)acetamido)benzoate (CAS 1325304-62-8)
- 5,6-Bis((4-fluorophenyl)amino)isoindoline-1,3-dione (CAS 145915-60-2)
- 3-((3-Fluorophenyl)amino)-2-(naphthalen-1-yl)-1H-inden-1-one (CAS 1024474-09-6)
- (4-(2-Fluorophenyl)piperazin-1-yl)(5-methyl-3-phenylisoxazol-4-yl)methanone (CAS 505088-33-5)
- Methyl 5-((4-fluorophenyl)sulfonamido)benzo[b]thiophene-2-carboxylate (CAS 478248-44-1)
- 1-(5-(3-(4-Fluorophenyl)-1,2,4-oxadiazol-5-yl)pyridin-2-yl)-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1326856-71-6)
- 2-(6-(4-Fluorophenyl)imidazo[2,1-b]thiazol-3-yl)-N-(o-tolyl)acetamide (CAS 897464-57-2)
Recommended Standards
- 2-(2-Methyl-4-oxo-1,4-dihydropyrimido[1,2-a][1,3]benzimidazol-3-yl)ethyl 4-fluorobenzenecarboxylate (CAS 866144-92-5)
- 3-[(4-Nitrophenyl)carbamoyl]phenyl N,N-dimethylsulfamate (CAS 400080-31-1)
- 2-((S)-1-(tert-Butoxycarbonyl)pyrrolidin-3-yl)-2-(diethoxyphosphoryl)acetic acid (CAS 2757337-44-1)
- 5-Nitro-N-(4-(pyrrolidin-1-ylsulfonyl)phenyl)furan-2-carboxamide (CAS 852040-19-8)
- Z-D-Dap-OH (CAS 62234-37-1)
- 3-Bromo-4-heptylbenzoic acid (CAS 81719-19-9)
- 1,3-Bis(4-chlorophenyl)-1H-imidazol-3-ium chloride (CAS 141556-46-9)
- 10-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-7-[(E)-2-phenylethenyl]-4-thia-6,10-diazatricyclo[6.3.0.0^{2,6}]undecane-9,11-dione (CAS 321522-14-9)
- 4-((M-tolyloxy)methyl)piperidine hydrochloride (CAS 614731-24-7)
- 3-(Isobutyl(2-oxo-2-(1h-pyrrol-2-yl)ethyl)amino)propanenitrile (CAS 796060-53-2)
- 2,4-Dichloro-3,5-dimethyl-6-nitrophenol (CAS 70444-49-4)
- 2-[(5-tert-Butyl-2-methyl-furan-3-carbonyl)-amino]-3-phenyl-propionic acid (CAS 1397005-04-7)
- 5-Nitro-2-((piperidin-3-ylmethyl)thio)pyridine hydrochloride (CAS 1417794-51-4)
- Anti-Inflammatory Peptide 2 (CAS 118850-72-9)
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