4-Amino-1,2,5-oxadiazole-3-carbohydrazide CAS 246048-72-6
| CAS No. | 246048-72-6 |
| Molecular Formula | C3H5N5O2 |
| Molecular Weight | 143.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-Amino-1,2,5-oxadiazole-3-carbohydrazide (CAS 246048-72-6), molecular formula C3H5N5O2 and molecular weight 143.10 g/mol, is a CATO reference standard with documented purity and traceability.
4-Amino-1,2,5-oxadiazole-3-carbohydrazide (C3H5N5O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 4-Amino-1,2,5-oxadiazole-3-carbohydrazide 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 | C3H5N5O2 |
| Molecular Weight | 143.10 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.) | 2025 |
| Nitrogen Atoms | 5 |
Related Amino Standards
- 4-Amino-N-hydroxy-1,2,5-oxadiazole-3-carboximidamide (CAS 1211025-52-3)
- 2-Amino-4-oxo-4,5-dihydrofuran-3-carboxylic acid (CAS 123591-10-6)
- 4-Amino-N’-hydroxy-1,2,5-oxadiazole-3-carboximidamide (CAS 13490-32-9)
- 3-Acetyl-4-amino-1,2,5-oxadiazole 2-oxide (CAS 164926-69-6)
- 2-(4-Amino-1,2,5-oxadiazol-3-yl)acetic acid (CAS 186044-13-3)
- (R)-2-Amino-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid (CAS 847480-01-7)
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Recommended Standards
- 4-(Methylamino)-1,2,5-oxadiazole-3-carboxylic acid (CAS 354143-53-6)
- 4-Amino-5-hydroxy-2-oxo-2,5-dihydro-1H-imidazole-1-carbaldehyde (CAS 51495-77-3)
- 4-(Hydroxymethyl)-1,2,5-oxadiazole-3-carboxamide (CAS 73314-63-3)
- 4-Amino-5-oxo-4,5-dihydro-1H-pyrazole-3-carboxylic acid (CAS 89033-46-5)
- N1-(1-benzylpiperidin-3-yl)-N1-methylethane-1,2-diamine (CAS 1274867-82-1)
- 4-Methylumbelliferyl α-D-Galactopyranoside (CAS 38597-12-5)
- (3R,4R)-1-benzyl-4-(hydroxymethyl)piperidin-3-ol (CAS 39478-61-0)
- (Z)-7-((1R,2S)-2-((R,E)-3-Hydroxy-4-phenoxybut-1-en-1-yl)-5-oxocyclopent-3-en-1-yl)hept-5-enoic acid (CAS 51639-10-2)
- 2-(Difluoromethyl)-3-fluoro-6-iodopyridine-4-acetonitrile (CAS 1807099-00-8)
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- n-(1-(2-Aminoethyl)piperidin-4-yl)ethanesulfonamide (CAS 1341304-41-3)
- 1,3-Dimethyl 2-(5-methyl-3-nitropyridin-2-yl)propanedioate (CAS 1820641-61-9)
- 1-Benzyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2,5-dihydro-1H-pyrrole (CAS 439813-70-4)
- (Cys2)-Neuropeptide Y-8-aminooctanoyl-(D-Cys27)-Neuropeptide Y (25-32) (H-3298.0500) (CAS 128806-04-2)
Why CATO?
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