5-(Isoxazol-3-yl)-1,2,4-oxadiazole-3-carboxylic acid CAS 1343426-68-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1343426-68-5 |
| Molecular Formula | C6H3N3O4 |
| Molecular Weight | 181.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Isoxazol-3-yl)-1,2,4-oxadiazole-3-carboxylic acid (CAS 1343426-68-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H3N3O4. Molecular weight: 181.11 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H3N3O4 |
| Molecular Weight | 181.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (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, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Isoxazol Standards
- N-(isoxazol-3-yl)cyclopentanecarboxamide (CAS 932928-54-6)
- 5-(Isoxazol-3-yl)oxazole-4-carboxylic Acid (CAS 1250404-35-3)
- 1-(Isoxazol-3-yl)pyrrolidine-3-carboxylic acid (CAS 1086380-68-8)
- N-(isoxazol-3-yl)-2,2-dimethylbutanamide (CAS 587852-98-0)
- 5-(Isoxazol-5-yl)furan-2-carboxylic acid (CAS 1399654-32-0)
- 1-(Isoxazol-4-ylmethyl)-4-methyl-1h-pyrazol-3-amine (CAS 1339462-46-2)
- Ethyl 2-(isoxazol-3(2h)-ylideneamino)-2-oxoacetate (CAS 1001634-98-5)
- Isoxazol-3-ylmethyl methanesulfonate (CAS 2144668-08-4)
Recommended Standards
- 2-Acetoxy-4,4,4-trifluorobutyronitrile (CAS 1314914-15-2)
- 5-Ethoxy-4-(trifluoromethyl)oxazole (CAS 135244-92-7)
- Methyl 2-amino-2-(trifluoromethyl)but-3-ynoate (CAS 1262414-79-8)
- n-(3-Methoxypropyl)-3,5-dimethylcyclohexan-1-amine (CAS 1339093-03-6)
- (2-Amino-5-bromo-6-(difluoromethyl)pyridin-3-yl)methanol (CAS 1805207-74-2)
- 4-Chloro-5-methyl-2-(3-methylpiperazin-1-yl)pyrimidine hydrochloride (CAS 1261235-59-9)
- (1R,4S,6S)-7-(trifluoromethyl)-2-oxa-5-azabicyclo[4.1.0]Heptane-4-carboxylic acid hydrochloride (CAS 1955485-19-4)
- 1-(2-(2-(Phenylamino)pyridin-3-yl)pyrrolidin-1-yl)ethanone (CAS 1352518-03-6)
- 5-(Piperazine-1-sulfonyl)furan-2-carboxamide (CAS 1087784-70-0)
- Peptide 6A (H-6905.0005) (CAS 73549-32-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com