1-(4-Bromo-2-fluorophenyl)-5-methyl-1H-pyrazole-4-carboxylic acid CAS 1189749-52-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1189749-52-7 |
| Molecular Formula | C11H8BrFN2O2 |
| Molecular Weight | 299.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(4-Bromo-2-fluorophenyl)-5-methyl-1H-pyrazole-4-carboxylic acid (CAS 1189749-52-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H8BrFN2O2. Molecular weight: 299.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H8BrFN2O2 |
| Molecular Weight | 299.10 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, 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 | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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- Methyl 3-bromo-1-(4-fluorophenyl)-1H-pyrazole-5-carboxylate (CAS 1259051-22-3)
- 1-(3-Bromo-4-fluorobenzyl)-1H-pyrazole-4-carboxylic acid (CAS 1273797-56-0)
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- 2-(10,11-Dihydro-5H-dibenzo[a,d]cyclohepten-5-ylidene)acetaldehyde (CAS 1217-39-6)
- Methyl (2Z)-2-(benzenesulfonyl)-3-[(3,4-difluorophenyl)amino]prop-2-enoate (CAS 1564076-40-9)
- 5-Chloro-3-(piperazin-1-yl)benzol[d]isothiazole (CAS 1330173-07-3)
- 1-(Furan-2-yl)-3-(4-methoxyphenyl)prop-2-en-1-one (CAS 19430-55-8)
- L-Alanyl-D-alanine hydrochloride (CAS 56611-94-0)
- Neuropeptide EI (human, mouse, rat) (CAS 125934-45-4)
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