1,4-Dihydro-5H-[1,2,3]triazolo[4,5-d]pyrimidine-5,7(6H)-dione hydrate CAS 19344-24-2
| CAS No. | 19344-24-2 |
| Molecular Formula | C4H3N5O2 |
| Molecular Weight | N/A |
| 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.
CATO supplies 1,4-Dihydro-5H-[1,2,3]triazolo[4,5-d]pyrimidine-5,7(6H)-dione hydrate (CAS 19344-24-2), a certified reference material (molecular formula C4H3N5O2H2O, MW 171.12 g/mol) for analytical method development and quality control.
Structurally, 1,4-Dihydro-5H-[1,2,3]triazolo[4,5-d]pyrimidine-5,7(6H)-dione hydrate (C4H3N5O2H2O) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 171.12 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).
CATO manufactures 1,4-Dihydro-5H-[1,2,3]triazolo[4,5-d]pyrimidine-5,7(6H)-dione hydrate 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 | C4H3N5O2 H2O |
| Molecular Weight | 171.12 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 5 |
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- 3-(3,4-Dihydro-2h-benzo[b][1,4]dioxepin-7-yl)propan-1-ol (CAS 1000540-71-5)
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Recommended Standards
- 2-(Difluoromethyl)-4-hydroxy-3-methoxy-5-nitropyridine (CAS 1805481-12-2)
- 5-Chloro-1H-indole-2-carbaldehyde (CAS 53590-49-1)
- 2-[5-cyclopropyl-3-(trifluoromethyl)-1h-pyrazol-1-yl]acetic acid (CAS 957487-30-8)
- 4-Benzyloxy-2-bromonitrobenzene (CAS 165190-62-5)
- 3,3-Dimethyl-4-phenylbutanoic acid (CAS 13540-66-4)
- Pomalidomide-CO-C3-Br (CAS 2227423-26-7)
- 5-isopropyl-2-methyl-thiophen-3-amine;hydrochloride (CAS 2567558-61-4)
- Ethyl (2Z)-2-chloro-2-[2-(3-chloro-4-methylphenyl)hydrazin-1-ylidene]acetate (CAS 148367-95-7)
- [(2,5-dimethoxyphenyl)carbamoyl]formic acid (CAS 690670-01-0)
- Semaglutide impurity 24 (CAS CATO-C4X-222624)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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