4-[(4-chloro-1h-pyrazol-1-yl)methyl]-5-methyl-1,2-oxazole-3-carboxylic acid CAS 956449-75-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 956449-75-5 |
| Molecular Formula | C9H8ClN3O3 |
| Molecular Weight | 241.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[(4-chloro-1h-pyrazol-1-yl)methyl]-5-methyl-1,2-oxazole-3-carboxylic acid (CAS 956449-75-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H8ClN3O3. Molecular weight: 241.63 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H8ClN3O3 |
| Molecular Weight | 241.63 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-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 methanol, ethanol, DMSO |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related chloro Standards
- 4-Chloro-1-((1-methyl-1H-pyrazol-4-yl)methyl)-3-nitro-1H-pyrazole (CAS 1005643-57-1)
- 2-(5-Chloro-2-oxobenzo[d]oxazol-3(2H)-yl)acetohydrazide (CAS 1092284-61-1)
- 7-Chloro-4,6-dimethoxy-2,3-dihydro-1H-indole-2,3-dione (CAS 1164251-88-0)
- 2-(7-Chloro-3-oxo-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)acetic acid (CAS 1189732-94-2)
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- Ethyl 7-chloro-5-hydroxyimidazo[1,2-c]pyrimidine-2-carboxylate (CAS 1639974-70-1)
- 2-(5-Chloro-7-methoxybenzo[d]isoxazol-3-yl)acetic acid (CAS 1708288-36-1)
- 3-(6-Chloro-2-oxo-1,3-benzoxazol-3(2h)-yl)propanoic acid (CAS 17124-56-0)
Recommended Standards
- 3-Chloro-6-(2-hydroxyethyl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 842974-84-9)
- 5-Chloro-1,3-dimethyl-6-nitro-1,3-dihydro-2H-benzo[d]imidazol-2-one (CAS 899374-45-9)
- 3-(5-Chloro-2-oxo-1,3-benzoxazol-3(2H)-yl)propanoic acid (CAS 41405-50-9)
- Vinyl 2,2-dimethyloctanoate (CAS 45115-34-2)
- (S)-2-((S)-1-(3-Mercaptopropanoyl)pyrrolidine-2-carboxamido)propanoic acid (CAS 97009-77-3)
- 2-[(Benzamide)amino]propanoic acid (CAS 33653-68-8)
- Ethyl 4-(3-chlorobenzoyl)isoxazole-3-carboxylate (CAS 338761-68-5)
- 4-(2-Ethyl-1h-imidazol-1-yl)-2-(methylamino)butanamide (CAS 1341462-27-8)
- 1-(2-(5-Ethylthiophen-2-yl)-2-oxoethyl)-1h-1,2,4-triazole-3-carbonitrile (CAS 1240952-20-8)
- Mast Cell Degranulating Peptide (CAS 83856-13-7)
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