7-Oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid CAS 937700-95-3
| CAS No. | 937700-95-3 |
| Molecular Formula | C6H4N4O3 |
| Molecular Weight | 180.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 7-Oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
7-Oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid (CAS 937700-95-3) is a high-purity analytical reference standard with the molecular formula C6H4N4O3 and a molecular weight of 180.12 g/mol.
The molecular framework of 7-Oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid (C6H4N4O3) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 manufactures 7-Oxo-7,8-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid 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 | C6H4N4O3 |
| Molecular Weight | 180.12 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
Related Oxo Standards
- 1-(3,4-dihydro-2h-pyran-5-yl)-2,2,2-trifluoroethan-1-one (CAS 109317-74-0)
- 5-Oxo-1,5-dihydro-[1,2,4]triazolo[4,3-a]pyrimidine-6-carboxylic acid (CAS 880451-11-6)
- 6-Oxo-6,7-dihydro-3H-purine-8-carboxylic acid (CAS 98141-78-7)
- 7-Oxo-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid (CAS 220493-61-8)
- 3,4-Dihydro-2H-pyrido[3,2-b]-[1,4]oxazine-2-carboxylic acid (CAS 1086375-44-1)
- (E)-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-8-carbaldehyde oxime (CAS 1246090-99-2)
- 2,3-Dihydro-1H-pyrido[2,3-b][1,4]oxazine-7-carboxylic acid (CAS 1261809-98-6)
- 7,8-Dihydro-5H-pyrano[4,3-d]pyrimidine-4-carboxylic acid (CAS 1468881-88-0)
Recommended Standards
- 7-oxo-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidine-5-carboxylic acid (CAS 34102-76-6)
- 8-Nitro-1H-purin-6-amine (CAS 560069-54-7)
- alpha-(Trifluoromethyl)-5-methylfuran-2-methanol (CAS 862158-19-8)
- 7-Nitro-4H-imidazo[4,5-b]pyridin-4-ol (CAS 959046-59-4)
- 2-Amino-1-((S)-2-(methoxymethyl)piperidin-1-yl)propan-1-one (CAS 1354025-97-0)
- 6-Ethoxy-4-hydroxy-1-methylquinolin-2(1H)-one (CAS 83013-77-8)
- 3-(pyrrolidin-3-yl)-4H-1,2,4-triazole hydrochloride (CAS 1909337-56-9)
- 1-(Benzofuran-2-yl)-2,2,2-trifluoroethanone (CAS 75277-96-2)
- trans-4-(4-Thiomethylbenzoyl)cyclohexane-1-carboxylic acid (CAS 1217812-03-7)
- 4-(1-ethyl-1H-1,2,3-triazol-4-yl)phenol hydrobromide (CAS 1798683-30-3)
- (2,3-Difluoro-4-nitrophenyl)methanol (CAS 1806289-80-4)
- 1-(5-Ethynylthiophen-2-yl)ethan-1-one (CAS 658701-97-4)
- tert-Butyl (4-(difluoromethyl)pyridin-2-yl)carbamate (CAS 1419221-63-8)
- Des-Leu26-Tirzepatide (CAS CATO-CPTD788947)
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