methyl 4-methyl-1,2,5-oxadiazole-3-carboxylate CAS 32551-31-8
| CAS No. | 32551-31-8 |
| Molecular Formula | C5H10N2O3 |
| Molecular Weight | 146.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies methyl 4-methyl-1,2,5-oxadiazole-3-carboxylate (CAS 32551-31-8), a certified reference material (molecular formula C5H10N2O3, MW 146.14 g/mol) for analytical method development and quality control.
Structurally, methyl 4-methyl-1,2,5-oxadiazole-3-carboxylate (C5H10N2O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 146.14 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), methyl 4-methyl-1,2,5-oxadiazole-3-carboxylate 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.
Physical & Chemical Properties
| Molecular Formula | C5H10N2O3 |
| Molecular Weight | 146.14 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Methyl 4-hydroxytetrahydrofuran-3-carboxylate (CAS 89599-39-3)
- Methyl 5-hydroxy-4-oxopentanoate (CAS 66274-27-9)
- Methyl 4-hydroxytetrahydrofuran-2-carboxylate (CAS 89599-38-2)
- N1-(3-Hydroxypropyl)oxalamide (CAS 61273-20-9)
- 4-(4-tert-Butylbenzoyl)-2-methylpyridine (CAS 1187169-43-2)
- (2-Amino-4-(difluoromethyl)-6-iodopyridin-3-yl)methanol (CAS 1806814-96-9)
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- 5-Thioxo-3,4-dihydro-1,2,4-triazin-3(2H)-one (CAS 1627-37-8)
- 2,5-Dioxopyrrolidin-1-yl tetrahydro-2H-pyran-4-carboxylate (CAS 1369515-33-2)
- 1-2-3-Tri-O-methyl-D-glucopyranoside (CAS 14048-30-7)
- 3-Bromo-5-chloro-1H-pyrrolo[3,2-b]pyridine (CAS 1190310-75-8)
- 1-(4-(Isopropylamino)piperidin-1-yl)ethan-1-one (CAS 902837-21-2)
- 2-Bromo-4,5,6,7-tetrahydro-1H-isoindole-1,3(2H)-dione (CAS 1858241-63-0)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
Why CATO?
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