N-Hydroxy-1H-imidazole-5-carboximidamide CAS 914781-71-8
| CAS No. | 914781-71-8 |
| Molecular Formula | C4H6N4O |
| Molecular Weight | 126.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), N-Hydroxy-1H-imidazole-5-carboximidamide 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.
N-Hydroxy-1H-imidazole-5-carboximidamide (CAS 914781-71-8), molecular formula C4H6N4O and molecular weight 126.12 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a hydroxyl group, an ether linkage, N-Hydroxy-1H-imidazole-5-carboximidamide is typically off-white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 126.12 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.
Physical & Chemical Properties
| Molecular Formula | C4H6N4O |
| Molecular Weight | 126.12 g/mol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
Related N Standards
- N'-hydroxy-1H-imidazole-2-carboximidamide (CAS 915229-83-3)
- N'-Hydroxy-1H-pyrazole-4-carboximidamide (CAS 468069-03-6)
- 5-Hydroxy-3-methylpyrazin-2(1H)-one (CAS 102694-22-4)
- 1-Hydroxy-3-methylpyrazin-2(1H)-one (CAS 105985-13-5)
- N-Hydroxy-N-(pyridin-4-yl)hydroxylamine (CAS 148216-77-7)
- 3-hydroxy-1-methyl-1H-pyrazole-4-carbaldehyde (CAS 1503601-15-7)
- 4-Hydroxy-5-methylcyclopent-4-ene-1,3-dione (CAS 1696-34-0)
- 6-Hydroxy-5-methylpyrimidin-4(3H)-one (CAS 18337-63-8)
Recommended Standards
- N-(1H-1,2,4-Triazol-3-yl)acetamide (CAS 5295-23-8)
- N-methyl-2H-1,2,3-triazole-4-carboxamide (CAS 57362-84-2)
- Metformin Impurity 44 (CAS 2978-35-0)
- 2,6-Diaminopyrimidin-4(1H)-one (CAS 56-06-4)
- 4-(tert-Butyl)-N-(4-ethylphenyl)aniline (CAS 642473-66-3)
- 2,2-Dichloro-N-(9H-fluoren-2-yl)acetamide (CAS 60550-81-4)
- 9-Octyl-2,7-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-carbazole (CAS 406726-92-9)
- 3-(3,5-Dimethoxyphenyl)propionic acid methyl ester (CAS 886-51-1)
- 4-Methoxy-6-nitroquinoline (CAS 874498-45-0)
- 7-Chloro-3,4-dihydro-2H-pyrano[2,3-b]pyridine (CAS 1356542-53-4)
- 2-(Dimethylamino)-5-(5-phenyl-1,3,4-oxadiazol-2-yl)benzaldehyde (CAS 831197-39-8)
- 6-Ethoxy-4-methylnicotinaldehyde (CAS 1355190-04-3)
- 4-(Aminomethyl)-1-isopropylpyrrolidin-3-amine (CAS 55372-52-6)
- D-Phe6-Tirzepatide (CAS CATO-CPTD788925)
Why CATO?
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