4-Chloro-1,2,5-oxadiazole-3-carboxylic acid CAS 1314934-33-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1314934-33-2 |
| Molecular Formula | C3HClN2O3 |
| Molecular Weight | 148.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-1,2,5-oxadiazole-3-carboxylic acid (CAS 1314934-33-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C3HClN2O3. Molecular weight: 148.50 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C3HClN2O3 |
| Molecular Weight | 148.50 g/mol |
| 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, water |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 5-Chloro-1,3,4-oxadiazole-2-carboxylic acid (CAS 1446409-04-6)
- 1-Chloro-2-(trifluoromethoxy)ethane (CAS 1645-95-0)
- 1-Chloro-1,3,3,3-tetrafluoropropene (CAS 460-71-9)
- 2-Chloro-1,1,2-trifluoro-1-methoxyethane (CAS 425-87-6)
- 5-Chloro-3-nitro-1H-1,2,4-triazole (CAS 70890-47-0)
- 2-Chloro-5-Fluoropyrimidin-4(3H)-One (CAS 155-12-4)
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Recommended Standards
- 2,2,2-Trichloroethanamine (CAS 4088-19-1)
- (E)-(5-Chloropent-1-en-1-yl)boronic acid (CAS 37490-32-7)
- 2-(Chloromethoxy)-1,1,1-trifluoroethane (CAS 21937-47-3)
- 2-Chloro-1-(3-chloro-4-fluorophenyl)ethan-1-one (CAS 203251-37-0)
- 1-Methyl-6,7-dihydro-1H-indazol-5(4H)-one (CAS 115215-92-4)
- 5,5,8,8-Tetramethyl-2,3,5,6,7,8-hexahydro-1H-cyclopenta[b]naphthalen-1-one (CAS 102296-82-2)
- Methyl 3-{5-[(pyridin-3-yl)carbamoyl]furan-2-yl}thiophene-2-carboxylate (CAS 477851-72-2)
- 3-(Difluoromethyl)-3-fluoropiperidine (CAS 1565749-05-4)
- 2-Morpholino-5-nitrobenzenecarbonitrile (CAS 78252-11-6)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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