Ethyl 3-(4-ethyl-3,5-dioxo-2-phenyl-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)-1,2,4-oxadiazole-5-carboxylate CAS 933194-30-0
| CAS No. | 933194-30-0 |
| Molecular Formula | C16H15N5O5 |
| Molecular Weight | 357.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 3-(4-ethyl-3,5-dioxo-2-phenyl-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)-1,2,4-oxadiazole-5-carboxylate (C16H15N5O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Ethyl 3-(4-ethyl-3,5-dioxo-2-phenyl-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)-1,2,4-oxadiazole-5-carboxylate (CAS 933194-30-0) is a high-purity analytical reference standard with the molecular formula C16H15N5O5 and a molecular weight of 357.32 g/mol.
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), Ethyl 3-(4-ethyl-3,5-dioxo-2-phenyl-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)-1,2,4-oxadiazole-5-carboxylate 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 | C16H15N5O5 |
| Molecular Weight | 357.32 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.) | 1987 |
| Nitrogen Atoms | 5 |
Recommended Standards
- Balsalazide-d (CAS 80573-04-2)
- Ethyl 3-(4-methyl-3,5-dioxo-2-(p-tolyl)-2,3,4,5-tetrahydro-1,2,4-triazin-6-yl)-1,2,4-oxadiazole-5-carboxylate (CAS 932974-35-1)
- 6-Bromo-4-methoxy-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-indazole (CAS 2306277-58-5)
- U-49900 (CAS 67579-76-4)
- 1,3-Dimesityl-1H-imidazol-3-ium (CAS 1010101-96-8)
- N-methyl-N,3-diphenylpropanamide (CAS 18859-20-6)
- 2,2'-(2-Bromo-5-(difluoromethyl)-1,4-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 2377606-64-7)
- Benzyl 5-fluoro-1-(methylsulfonyl)spiro[indoline-3,4'-piperidine]-1'-carboxylate (CAS 209350-13-0)
- N-[3-(2-Methoxyethoxy)phenyl]-N-[2-(3-methylphenoxy)propyl]amine (CAS 1040686-37-0)
- 2,2,2-Trifluoro-N-(4-methylphenyl)acetamide 2,2,2-Trifluoro-p-acetotoluidide 350-96-9 NSC 87411 p-Methyltrifluoroacetanilide p-Toluidine Trifluoroacetamide (CAS 350-96-9)
- (R)-2-(5-bromo-2-fluoro-3-methylphenyl)pyrrolidine (CAS 1931960-93-8)
- 3-Azabicyclo[3.2.1]octan-8-one (CAS 240401-35-8)
- 1,1,1-Trifluoro-4-(methylsulfonyl)butan-2-one (CAS 1343593-04-3)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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