2-(7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)acetic acid hydrate CAS 1638221-41-6
| CAS No. | 1638221-41-6 |
| Molecular Formula | C8H8N4O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H8N4O3H2O, 2-(7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)acetic acid hydrate contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 226.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
2-(7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)acetic acid hydrate (CAS 1638221-41-6), molecular formula C8H8N4O3H2O and molecular weight 226.19 g/mol, is a CATO reference standard with documented purity and traceability.
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), 2-(7-Hydroxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)acetic acid hydrate 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 | C8H8N4O3 H2O |
| Molecular Weight | 226.19 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 4 |
Related Hydroxy Standards
- N-(4-Hydroxy-3-oxo-2,3-dihydro-1H-inden-5-yl)acetamide (CAS 1000333-88-9)
- 1-Benzyl-4-hydroxy-6-carbomoyl-5-azaindole (CAS 1000342-24-4)
- 3-Hydroxy-4-cyano (1H)Indazole (CAS 1000342-91-5)
- 6-Hydroxy-1,2-dihydro-3H-indazol-3-one (CAS 1000343-86-1)
- 3-Hydroxy-5-ethylisoxazole (CAS 10004-45-2)
- 2-(6-Hydroxy-2,3-dihydrobenzofuran-3-yl)acetic acid (CAS 1000414-37-8)
- (S)-(6-Hydroxy-2,3-dihydrobenzofuran-3-yl)acetic Acid Methyl Ester (CAS 1000414-38-9)
- 2-Hydroxy-2-phenyl-1-(1H-pyrrol-2-yl)ethanone (CAS 100063-06-7)
Recommended Standards
- Clemizole hydrochloride (CAS 1163-36-6)
- 2-ETHYL-1H-INDOL-5-AMINE (CAS 1230154-94-5)
- 4-{imidazo[1,2-a]pyridin-2-ylmethoxy}benzaldehyde (CAS 118001-76-6)
- 3-Methoxypyridine-4-boronic Acid (CAS 1008506-24-8)
- 3-Bromo-5-chloro-4-methylbenzoic acid (CAS 515135-60-1)
- 5-Chloro-3-methyleneisoindolin-1-one (CAS 1239331-77-1)
- 3-Chloro-5-nitropyridine-2-thiol (CAS 64007-60-9)
- 3-(6-Amino-1h-indazol-1-yl)propanoic acid (CAS 938522-04-4)
- 2-(Isopropylamino)cyclohexan-1-ol (CAS 69592-28-5)
- Tau Peptide (245-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 1428134-39-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com