1-(p-Tolyl)-3-(trifluoromethyl)-1H-pyrazol-4-ol CAS 119868-28-9
| CAS No. | 119868-28-9 |
| Molecular Formula | C11H9F3N2O |
| Molecular Weight | 242.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H9F3N2O, 1-(p-Tolyl)-3-(trifluoromethyl)-1H-pyrazol-4-ol 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 242.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
1-(p-Tolyl)-3-(trifluoromethyl)-1H-pyrazol-4-ol (CAS 119868-28-9), molecular formula C11H9F3N2O and molecular weight 242.20 g/mol, is a CATO reference standard with documented purity and traceability.
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 1-(p-Tolyl)-3-(trifluoromethyl)-1H-pyrazol-4-ol 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 | C11H9F3N2O |
| Molecular Weight | 242.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related p Standards
- 2-(o-Tolyl)-5-(trifluoromethyl)-2H-1,2,3-triazol-4-amine (CAS 1707576-45-1)
- 2-(m-Tolyl)-5-(trifluoromethyl)-2H-1,2,3-triazol-4-amine (CAS 1707584-98-2)
- 1-(o-Tolyl)-3-(trifluoromethyl)-1H-pyrazol-5-ol (CAS 854678-04-9)
- 2-(P-tolyl)-5-(trifluoromethyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 63695-47-6)
- 1-(p-Tolyl)-1H-pyrazolo[3,4-d]pyrimidine-4,6-diol (CAS 1209777-97-8)
- 2-(p-Tolyl)-7,8-dihydro-3H-pyrano[4,3-d]pyrimidin-4(5H)-one (CAS 1450790-51-8)
- 2-(M-tolyl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-3-carboxylic acid (CAS 2416673-85-1)
- 7-(P-tolyl)thieno[3,2-d]pyrimidin-4-ol (CAS 1019152-04-5)
Recommended Standards
- 5-Methyl-1-phenyl-3-(trifluoromethyl)-1H-pyrazol-4-ol (CAS 119868-25-6)
- n-(4-Cyanobenzyl)-3,3,3-trifluoropropanamide (CAS 1209145-98-1)
- 3a-(Trifluoromethyl)-2,3,3a,4-tetrahydro-1H-benzo[d]pyrrolo[1,2-a]imidazol-1-one (CAS 1191278-87-1)
- Methyl 5-fluoro-2-(2-methoxy-2-oxoethoxy)benzoate (CAS 1216994-21-6)
- (7-chloro-1-methyl-benzimidazol-2-yl)methanamine (CAS 1183212-04-5)
- (S)-3-Amino-2-fluoropropanoic acid (CAS 130695-34-0)
- 3-(Prop-2-en-1-yl)phenylboronic acid (CAS 2246556-65-8)
- 3-(3,4-Difluorophenoxy)azetidine (CAS 954220-76-9)
- Verinurad (CAS 1352792-74-5)
- 4',6'-Dinitro-1,1':3',1''-terphenyl (CAS 150758-05-7)
- 4-((4-Methylbenzyl)thio)phenol (CAS 102273-81-4)
- 3,5-Dibromo-2-nitrobenzoic acid (CAS 60912-52-9)
- 2-Bromo-1,5-difluoro-3-(fluoromethyl)benzene (CAS 2366994-41-2)
- Semaglutide impurity 46 (CAS CATO-C4X-222646)
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