5-(4-Methyl-1,2,5-oxadiazol-3-yl)-1,3,4-oxadiazole-2-carboxylic acid CAS 1279219-00-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1279219-00-9 |
| Molecular Formula | C6H4N4O4 |
| Molecular Weight | 196.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(4-Methyl-1,2,5-oxadiazol-3-yl)-1,3,4-oxadiazole-2-carboxylic acid (CAS 1279219-00-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H4N4O4. Molecular weight: 196.12 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H4N4O4 |
| Molecular Weight | 196.12 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.) | 1990 |
| Nitrogen Atoms | 4 |
Related Methyl Standards
- 1-[(5-methyl-1,2,4-oxadiazol-3-yl)methyl]-1,4-diazepane (CAS 1042777-85-4)
- 1-[1-(3-methyl-1,2,4-oxadiazol-5-yl)ethyl]piperazine (CAS 1247780-89-7)
- 1-[(5-Ethyl-1,2,4-oxadiazol-3-yl)methyl]piperazine (CAS 1249562-41-1)
- 1-[(5-Methyl-1,2,4-oxadiazol-3-yl)methyl]piperidin-3-amine (CAS 1250516-94-9)
- (5-Methyl-1,2,4-oxadiazol-3-yl)methanesulfonyl chloride (CAS 1598160-87-2)
- 4-(3-Ethyl-1,2,4-oxadiazol-5-yl)cyclohexan-1-amine (CAS 1182794-96-2)
- 4-[(3-Ethyl-1,2,4-oxadiazol-5-yl)methyl]piperidine (CAS 1239743-49-7)
- 1-(3-Ethyl-1,2,4-oxadiazol-5-yl)cyclohexan-1-amine (CAS 1239846-68-4)
Recommended Standards
- 2,4-Difluoro-5-methylbenzotrifluoride (CAS 1263377-03-2)
- 6-Formyl-4-nitropicolinic acid (CAS 1289010-97-4)
- 1,4-Difluoro-2-methyl-5-(trifluoromethyl)benzene (CAS 1263376-69-7)
- 2-(4-Methylthiazol-2-yl)ethan-1-amine oxalate (CAS 1062482-23-8)
- (3E)-3-[(Thiophen-2-yl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one (CAS 256485-62-8)
- Holmium(III) acetate (CAS 25519-09-9)
- 3-Methyl-1-(4-methylbenzoyl)piperazine (CAS 1240567-22-9)
- 5-Ethyl-2,3-dihydro-1H-inden-1-one (CAS 4600-82-2)
- 2-nal (CAS 2463-53-8)
- Peptide Impurity 15 (CAS 1227750-69-7)
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