1-Tert-butyl-3-(2-chlorophenyl)-1h-pyrazole-4-carboxylic acid CAS 1152932-89-2
| CAS No. | 1152932-89-2 |
| Molecular Formula | C14H15ClN2O2 |
| Molecular Weight | 278.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Tert-butyl-3-(2-chlorophenyl)-1h-pyrazole-4-carboxylic acid.
CATO supplies 1-Tert-butyl-3-(2-chlorophenyl)-1h-pyrazole-4-carboxylic acid (CAS 1152932-89-2), a certified reference material (molecular formula C14H15ClN2O2, MW 278.73 g/mol) for analytical method development and quality control.
The molecular framework of 1-Tert-butyl-3-(2-chlorophenyl)-1h-pyrazole-4-carboxylic acid (C14H15ClN2O2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C14H15ClN2O2 |
| Molecular Weight | 278.73 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, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2-(5-Chloro-1h-benzo[d]imidazol-2-yl)cyclohexane-1-carboxylic acid (CAS 1152551-69-3)
- 3-Chloro-4'-methylbenzophenone (CAS 116412-84-1)
- {5-chloro-2-[(4-methoxyphenyl)methoxy]phenyl}methanol (CAS 1094310-91-4)
- 5-(Tert-butyl)-1-(4-chlorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 1175910-36-7)
- 2-(4-cyanophenoxy)-N-(pyrimidin-2-yl)acetamide (CAS 748775-12-4)
- 1-(4-Bromo-3-methylphenyl)-1H-pyrazole (CAS 858523-45-2)
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- beta-Alanine, N-(1-oxobutyl)- (CAS 88574-08-7)
- (S)-Usnic acid (CAS 6159-66-6)
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- 6-Ethyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 101861-10-3)
- Antifreeze Polypeptide 6 (winter flounder) trifluoroacetate salt (CAS 122604-16-4)
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