(5-Nitro-1H-1,2,4-triazol-3-yl)acetic acid hydrate CAS 1609409-43-9
| CAS No. | 1609409-43-9 |
| Molecular Formula | C4H4N4O4 |
| Molecular Weight | N/A |
| 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-Nitro-1H-1,2,4-triazol-3-yl)acetic acid hydrate.
(5-Nitro-1H-1,2,4-triazol-3-yl)acetic acid hydrate (CAS 1609409-43-9) is a high-purity analytical reference standard with the molecular formula C4H4N4O4H2O and a molecular weight of 190.12 g/mol.
Structurally, (5-Nitro-1H-1,2,4-triazol-3-yl)acetic acid hydrate (C4H4N4O4H2O) contains a carbohydrate-derived structure, an amide group. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 190.12 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C4H4N4O4 H2O |
| Molecular Weight | 190.12 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, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 1993 |
| Nitrogen Atoms | 4 |
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