2-(7-Oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetic acid CAS 1698844-56-2
| CAS No. | 1698844-56-2 |
| Molecular Formula | C6H5N5O3 |
| Molecular Weight | 195.14 g/mol |
| 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.
2-(7-Oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetic acid (CAS 1698844-56-2), molecular formula C6H5N5O3 and molecular weight 195.14 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(7-Oxo-3H-[1,2,3]triazolo[4,5-d]pyrimidin-6(7H)-yl)acetic acid (C6H5N5O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 195.14 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C6H5N5O3 |
| Molecular Weight | 195.14 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.) | 1994 |
| Nitrogen Atoms | 5 |
Recommended Standards
- 2,2,2-Trifluoro-N-(3-hydroxybicyclo[1.1.1]Pentan-1-yl)acetamide (CAS 1628196-27-9)
- 6-(Trifluoromethyl)-2-azabicyclo[3.1.0]Hexane-3-carboxylic acid (CAS 1822457-71-5)
- 1-(2,2,2-Trifluoroethyl)piperidine-2,4-dione (CAS 1518924-74-7)
- N-hydroxy-3-(trifluoromethyl)bicyclo[1.1.1]pentane-1-carboxamide (CAS 1862703-41-0)
- 3-((3-Chlorophenoxy)methyl)benzohydrazide (CAS 832738-05-3)
- N-(1-((4-Fluorophenyl)sulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)butyramide (CAS 941971-60-4)
- 1-(pyrimidin-4-yl)ethan-1-one (CAS 39870-05-8)
- 4-chloro-N-(thiophen-2-ylmethylidene)benzene-1-sulfonamide (CAS 469876-49-1)
- 3323AF 4-[4-(Isobutyrylamino)anilino]-4-oxobutanoic acid 925050-77-7 C14H18N2O4 (CAS 925050-77-7)
- 5-Methyl-3-(piperazin-1-yl)-5H-benzo[b]pyridazino[4,3-e][1,4]oxazine (CAS 34352-60-8)
- 4-Hydroxy-2-phenyl-6H-1,3-thiazin-6-one (CAS 65235-90-7)
- 4-((2,4-Dimethylphenyl)sulfinyl)-2,3-dihydrofuran (CAS 211310-22-4)
- 2-(3,5-Dichlorophenyl)pentan-2-ol (CAS 639071-31-1)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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