5-(3-Pyridinyl)-1,2,4-oxadiazol-3-amine CAS 73631-18-2
| CAS No. | 73631-18-2 |
| Molecular Formula | C7H6N4O |
| Molecular Weight | 162.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(3-Pyridinyl)-1,2,4-oxadiazol-3-amine.
5-(3-Pyridinyl)-1,2,4-oxadiazol-3-amine (CAS 73631-18-2) is a high-purity analytical reference standard with the molecular formula C7H6N4O and a molecular weight of 162.15 g/mol.
Owing to an amide group, a hydroxyl group, an ether linkage, an aromatic ring system, 5-(3-Pyridinyl)-1,2,4-oxadiazol-3-amine is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 162.15 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(3-Pyridinyl)-1,2,4-oxadiazol-3-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H6N4O |
| Molecular Weight | 162.15 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 4 |
Related Pyridinyl Standards
- 4-(3-Pyridinyl)-2-pyrrolidinone (CAS 55656-99-0)
- 4-(2-Pyridinyl)-1H-pyrazol-5-amine (CAS 57999-11-8)
- 4-(4-Pyridinyl)-1H-pyrazol-3-amine (CAS 216661-87-9)
- 3-(2-Pyridinyl)-3-azetidinecarbonitrile (CAS 869938-71-6)
- 1-(2-Pyridinyl)hydrazinecarboxylic acid methyl ester (CAS 935475-87-9)
- (E)-3-(2-pyridinyl)-2-propenoic acid (E)-3-pyridin-2-ylprop-2-enoic acid 7340-22-9 A837822 (CAS 7340-22-9)
- 2-(3-Pyridinyl)phenol (CAS 54168-07-9)
- 1-(2-Pyridinyl)-1h-pyrrole-2-carbaldehyde (CAS 383136-44-5)
Recommended Standards
- 5-(2-Furyl)-2-hydroxypyrazine (CAS 82619-62-3)
- 5-(Pyridin-3-yl)-1,3,4-oxadiazol-2-amine (CAS 5711-73-9)
- 5-(1H-Imidazol-4-yl)pyrimidin-4(1H)-one (CAS 840529-43-3)
- 5-(Pyridin-3-yl)isoxazol-3(2H)-one (CAS 72309-75-2)
- 2,6-Dichlorprop-Methyl Ester (CAS 588678-04-0)
- 5-Amino-1-(3,4-dimethylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1105189-56-7)
- 1-(1H-Benzo[d]imidazol-2-yl)ethane-1,2-diol (CAS 4857-05-0)
- 3-Chloro-5-fluoro-3-(4-methylphenyl)propiophenone (CAS 898769-13-6)
- 3-Cyclopropoxy-6-isopropoxypyridine-2-sulfonamide (CAS 1243323-76-3)
- 6-Phenyl-2-(piperidin-1-yl)pyrimidine-4-carboxylic acid (CAS 1017484-32-0)
- 2-(Difluoromethoxy)-6-naphthol (CAS 1261600-56-9)
- 5-(Decylthio)quinoline-8-thiol (CAS 60465-72-7)
- 2-Chloro-4-methanesulfonyl-N-(4-methoxyphenyl)benzamide (CAS 866143-05-7)
- Peptide Impurity 11 X TFA Salt (CAS CATO-CPTD788811)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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