Ethyl 3-((4-bromo-1H-pyrazol-1-yl)methyl)-1,2,4-oxadiazole-5-carboxylate CAS 956264-16-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 956264-16-7 |
| Molecular Formula | C9H9BrN4O3 |
| Molecular Weight | 301.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 3-((4-bromo-1H-pyrazol-1-yl)methyl)-1,2,4-oxadiazole-5-carboxylate (CAS 956264-16-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H9BrN4O3. Molecular weight: 301.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H9BrN4O3 |
| Molecular Weight | 301.10 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 |
| 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 | Br-containing |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- 4-((4-Bromo-3-nitro-1h-pyrazol-1-yl)methyl)-3,5-dimethylisoxazole (CAS 1304352-69-9)
- 4-Bromo-5-(isopropoxymethyl)-1-(2,2,2-trifluoroethyl)-1H-pyrazole (CAS 1855946-49-4)
- 4-Bromo-1-propyl-3-((2,2,2-trifluoroethoxy)methyl)-1H-pyrazole (CAS 1856020-52-4)
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- 4-Bromo-1-ethyl-3-((3,3,3-trifluoropropoxy)methyl)-1H-pyrazole (CAS 1856075-13-2)
- 2-Bromo-4'-(trifluoromethyl)-1,1'-biphenyl (CAS 255837-15-1)
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Recommended Standards
- 4-Bromo-4-(trifluoromethyl)biphenyl (CAS 69231-87-4)
- N-(2-aminoethyl)-3-(5-bromofuran-2-yl)-1,2,4-oxadiazole-5-carboxamide (CAS 924871-28-3)
- 4-(3-Bromo-5-fluorobenzoyl)piperazin-2-one (CAS 1211420-15-3)
- 4-Aminobicyclo[2.2.2]octane-1-carbonitrile (CAS 135908-50-8)
- (1α,5α,6β)-3-Azabicyclo[3.1.0]hexane-6-carboxylic acid (CAS 1251744-13-4)
- 2-Methoxy-5-(propylthio)benzoic acid (CAS 1707603-00-6)
- (5-Fluoroquinolin-3-yl)boronic acid (CAS 1264511-10-5)
- Benzyl (1S,2S)-1-[[(3-methoxypropyl)amino]carbonyl]-2-methylbutylcarbamate (CAS 1820579-55-2)
- 2-Chloro-4-(piperidin-4-ylmethoxy)pyrimidine hydrochloride (CAS 1417793-06-6)
- 81988-89-8 UH11FDQ454 Ramoplanin A(sub 3) Ramoplanin A3 (S)-2-(3-Chloro-4-hydroxyphenyl)-N-(N(sup 2)-((2Z,4Z)-8-methyl-2,4-nonadienoyl)-(S)-asparaginyl-(2S,3S)-3-hydroxyasparaginyl-(R)-2-(p-hydroxyphenyl)glycyl-(R)-ornithyl-(2R,3R)-allothreonyl-2-(p-hydroxyphenyl)glycyl-2-(p-hydroxyphenyl)glycyl-(2S,3S)-allothreonyl-(S)-phenylalanyl-(R)-ornithyl-(S)-2-(p-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycyl-(2R,3R)-allothreonyl-(S)-2-(p-hydroxyphenyl)glycylglycyl-(S)-leucyl-(R)-alanyl)glycine psi1-lactone Ramoplanin A 1 (peptide moiety), 1-(N(sup 2)-methyl-1-oxo-2,4-nonadienyl)-L-asparagine)-11-(L-2-(4-((2-O-alpha-D-mannopyranosyl-alpha-D-mannopyranosyl)oxy)phenyl)glycine)-, (Z,Z)- UNII-UH11FDQ454 (CAS 81988-89-8)
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