5-([1,2,4]Triazolo[4,3-a]pyrazin-8-yloxy)nicotinic acid CAS 1421662-48-7
| CAS No. | 1421662-48-7 |
| Molecular Formula | C11H7N5O3 |
| Molecular Weight | 257.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-([1,2,4]Triazolo[4,3-a]pyrazin-8-yloxy)nicotinic 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.
5-([1,2,4]Triazolo[4,3-a]pyrazin-8-yloxy)nicotinic acid (CAS 1421662-48-7) is a high-purity analytical reference standard with the molecular formula C11H7N5O3 and a molecular weight of 257.20 g/mol.
Based on its molecular formula C11H7N5O3, 5-([1,2,4]Triazolo[4,3-a]pyrazin-8-yloxy)nicotinic acid 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 257.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-([1,2,4]Triazolo[4,3-a]pyrazin-8-yloxy)nicotinic acid 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 | C11H7N5O3 |
| Molecular Weight | 257.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 5 |
Related Triazolo Standards
- 4-([1,2,4]Triazolo[4,3-b]pyridazin-6-yloxy)benzoic acid (CAS 1219546-90-3)
- 3-([1,2,4]Triazolo[4,3-b]pyridazin-6-yloxy)benzoic acid (CAS 1269527-51-6)
- 1-(5-Ethyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)-1H-imidazole-4-carboxylic acid (CAS 1707373-00-9)
- 1-(5-Ethyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)-1H-pyrazole-3-carboxylic acid (CAS 1710194-97-0)
- 2-([1,2,4]triazolo[4,3-a]pyridin-3-ylthio)-1-(1h-pyrrol-2-yl)ethan-1-one (CAS 785705-81-9)
- 4-{[1,2,4]triazolo[4,3-a]quinoxalin-4-yl}morpholine (CAS 127710-42-3)
- 3-(3-Ethyl-[1,2,4]triazolo[3,4-b][1,3,4]-thiadiazol-6-yl)-2-methyl-phenylamine (CAS 874591-56-7)
- 4-(3-Ethyl-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-6-yl)-2-methylaniline (CAS 874468-50-5)
Recommended Standards
- ethyl 7-(difluoromethyl)-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-2-carboxylate (CAS 938001-08-2)
- 1-(2-Nitrophenyl)-1H-purin-6(7H)-one (CAS 144106-37-6)
- 4-Cyano-5-methyl-2,5-dihydrofuran-3-yl trifluoromethanesulfonate (CAS 2774614-11-6)
- 5-methoxy-4-(methoxymethoxy)-2-nitrobenzoic acid (CAS 1461714-49-7)
- 3-(Chloromethyl)-4-fluorobenzonitrile (CAS 1261780-05-5)
- 1,1,1-Tris(diphenylphosphino)methane (CAS 28926-65-0)
- 1-Butanamine, N-(phenylmethoxy)- (CAS 216237-14-8)
- (2E)-1-[2-(2-Chlorophenyl)-4-methyl-1,3-thiazol-5-yl]-3-(dimethylamino)prop-2-en-1-one (CAS 478047-33-5)
- 1-(5-Methylpyridin-2-yl)ethanamine dihydrochloride (CAS 1187931-95-8)
- 2-(Aminomethyl)-5-(difluoromethyl)pyridine-3-acetic acid (CAS 1805134-34-2)
- 3-Bromo-4'-methoxy-1,1'-biphenyl (CAS 74447-72-6)
- 1-Chloro-2-fluoro-5-iodo-3-(trifluoromethyl)benzene (CAS 928783-87-3)
- N1-((1-Isobutyl-1H-pyrazol-5-yl)methyl)-N2,N2-dimethylethane-1,2-diamine dihydrochloride (CAS 1856069-22-1)
- Tirzepatide Impurity 36 (CAS CATO-C4X-324036)
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