4-Methyl-1,2,5-oxadiazole-3-carbaldehyde CAS 90507-35-0
| CAS No. | 90507-35-0 |
| Molecular Formula | C4H4N2O2 |
| Molecular Weight | 112.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Methyl-1,2,5-oxadiazole-3-carbaldehyde meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
4-Methyl-1,2,5-oxadiazole-3-carbaldehyde (CAS 90507-35-0), molecular formula C4H4N2O2 and molecular weight 112.09 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H4N2O2, 4-Methyl-1,2,5-oxadiazole-3-carbaldehyde contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 112.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C4H4N2O2 |
| Molecular Weight | 112.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 2-Propyl-1,3,4-oxadiazole (CAS 13148-62-4)
- 1,2,4-Oxadiazole-3-carboxamide (CAS 39512-74-8)
- 4-methyl-1,2,5-oxadiazole-3-carbonitrile (CAS 10349-10-7)
- 1,2,4-Oxadiazole-3-carboxylic Acid (CAS 856787-15-0)
- 1,2,4-Oxadiazole-5-carboxylic acid (CAS 499770-64-8)
- 1,2,5-Oxadiazole-3-carboxylic Acid (CAS 88598-08-7)
- 5-methyl-1,2,4-oxadiazole-3-carbaldehyde (CAS 1083300-23-5)
- 5-methyl-1,3,4-oxadiazole-2-carbaldehyde (CAS 164024-09-3)
Recommended Standards
- 4H-pyrazole-3-carboxylic acid (CAS 855643-75-3)
- 4-Oxazolecarboxamide (CAS 23012-15-9)
- 3-Oxo-3,4-dihydropyrazine 1-oxide (CAS 3735-46-4)
- 4-Pyrazolecarboxylic Acid (CAS 37718-11-9)
- N-(3-Cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-2-(methylthio)benzamide (CAS 896346-87-5)
- 4-(Perfluorooctyl)toluene (CAS 231291-23-9)
- 2-Chloro-n-{[4-(morpholine-4-sulfonyl)phenyl]methyl}acetamide (CAS 923117-91-3)
- 1,4-dibromo-2,5-diethoxybenzene (CAS 101907-55-5)
- N-(5-Chloro-1H-benzo[d]imidazol-2-yl)cyanamide (CAS 41926-64-1)
- 2-Benzylquinoline (CAS 1745-77-3)
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- Chloro(N-cyclohexylcyclohexanamine)gold (CAS 64704-71-8)
- Mirogabalin Impurity 111 (CAS CATO-C4X-2924111)
- Exenatide (CAS 141758-74-9（free base）)
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