3-Hydroxy-5-(trifluoromethyl)pyrazole CAS 76480-99-4
| CAS No. | 76480-99-4 |
| Molecular Formula | C4H5F3N2O |
| Molecular Weight | 154.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Hydroxy-5-(trifluoromethyl)pyrazole (C4H5F3N2O) contains an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 154.09 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-Hydroxy-5-(trifluoromethyl)pyrazole (CAS 76480-99-4), molecular formula C4H5F3N2O and molecular weight 154.09 g/mol, is a CATO reference standard with documented purity and traceability.
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 3-Hydroxy-5-(trifluoromethyl)pyrazole 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 | C4H5F3N2O |
| Molecular Weight | 154.09 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Hydroxy Standards
- 3-Hydroxy-3-(trifluoromethyl)cyclobutanone (CAS 1935109-77-5)
- 1-Hydroxy-3-nitro-1H-pyrazole-4-carbonitrile (CAS 181585-88-6)
- 2-(6-Hydroxy-4-pyrimidinyl)acetic acid (CAS 1119449-91-0)
- 6-Hydroxy-5-methylpyrimidine-4-carboxylic acid (CAS 1159010-94-2)
- 2-Hydroxy-4-methylpyrimidine-5-carboxylic acid (CAS 13008-17-8)
- 5-Hydroxy-2-methylpyrimidine-4-carboxylic acid (CAS 1504287-88-0)
- 3-Hydroxy-2-methyl-4-nitropyridine (CAS 15128-83-3)
- 3-Hydroxy-2-methyl-6-nitropyridine (CAS 15128-84-4)
Recommended Standards
- 3,3,3-Trifluoroprop-1-en-2-yl acetate (CAS 2247-91-8)
- Allyl trifluoroacetate (CAS 383-67-5)
- 2-(Trifluoromethyl)cyclopropane-1-carboxylic acid (CAS 22581-33-5)
- trans-2-(Trifluoromethyl)cyclopropanecarboxylic Acid (CAS 78376-99-5)
- 2-(4-Carboxy-3-fluorophenyl)phenol (CAS 1261975-31-8)
- Diethyl 1-(3-nitrophenyl)-5-phenyl-1H-pyrazole-3,4-dicarboxylate (CAS 96722-70-2)
- H-β-Cyclohexyl-D-Ala-OH (CAS 58717-02-5)
- 4-Allyl-5-(thiophen-2-ylmethyl)-4h-1,2,4-triazole-3-thiol (CAS 667435-98-5)
- Sulindac Impurity 1 (CAS 68299-97-8)
- 3-Amino-4-ethoxybenzene-1-sulfonyl fluoride (CAS 108045-23-4)
- 3-Bromo-9-(2-ethylhexyl)-9H-carbazole (CAS 628336-85-6)
- 4-Fluoro-4'-(trans-4-pentylcyclohexyl)-1,1'-biphenyl (CAS 81793-59-1)
- 3-(4-Chlorophenyl)piperazine-2,5-dione (CAS 2411634-61-0)
- Lixisenatide (CAS 320367-13-3（free base）)
Why CATO?
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