135449-26-2 KS-00003ATN diethyl 5-amino-3-phenyl[1,2,4]triazolo[4,3-a]pyridine-6,8-dicarboxylate CAS 135449-26-2
| CAS No. | 135449-26-2 |
| Molecular Formula | C18H18N4O4 |
| Molecular Weight | 354.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 135449-26-2 KS-00003ATN diethyl 5-amino-3-phenyl[1,2,4]triazolo[4,3-a]pyridine-6,8-dicarboxylate 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.
CATO supplies 135449-26-2 KS-00003ATN diethyl 5-amino-3-phenyl[1,2,4]triazolo[4,3-a]pyridine-6,8-dicarboxylate (CAS 135449-26-2), a certified reference material (molecular formula C18H18N4O4, MW 354.36 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 135449-26-2 KS-00003ATN diethyl 5-amino-3-phenyl[1,2,4]triazolo[4,3-a]pyridine-6,8-dicarboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 354.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C18H18N4O4 |
| Molecular Weight | 354.36 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 4 |
Recommended Standards
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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