1-(4-Methylbenzyl)-4-phenyl-1,4-dihydropyrazine-2,3-dione CAS 904525-57-1
| CAS No. | 904525-57-1 |
| Molecular Formula | C18H16N2O2 |
| Molecular Weight | 292.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-(4-Methylbenzyl)-4-phenyl-1,4-dihydropyrazine-2,3-dione 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.
1-(4-Methylbenzyl)-4-phenyl-1,4-dihydropyrazine-2,3-dione (CAS 904525-57-1) is a high-purity analytical reference standard with the molecular formula C18H16N2O2 and a molecular weight of 292.33 g/mol.
Based on its molecular formula C18H16N2O2, 1-(4-Methylbenzyl)-4-phenyl-1,4-dihydropyrazine-2,3-dione contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 292.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H16N2O2 |
| Molecular Weight | 292.33 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 | 2 |
Related Methylbenzyl Standards
- 1-(3-Methylbenzyl)-4-phenyl-1,4-dihydropyrazine-2,3-dione (CAS 904525-72-0)
- 5-Methyl-3-((4-methylbenzyl)sulfonyl)isothiazole-4-carbonitrile (CAS 343375-70-2)
- 5-(4-methylbenzyl)-6a,7,8,9-tetrahydropyrido[3,2-e]pyrrolo[1,2-a]pyrazin-6(5H)-one (CAS 1009282-30-7)
- 2-((4-Methylbenzyl)thio)quinoline-3-carbaldehyde (CAS 478065-50-8)
- 3-((2-Methylbenzyl)thio)-6-(pyridin-3-yl)pyridazine (CAS 894002-55-2)
- 3-((3-Methylbenzyl)thio)-6-(pyridin-2-yl)pyridazine (CAS 893993-67-4)
- 3-((3-Methylbenzyl)thio)-6-(pyridin-3-yl)pyridazine (CAS 893993-72-1)
- 3-((3-Methylbenzyl)thio)-6-(pyridin-4-yl)pyridazine (CAS 893993-78-7)
Recommended Standards
- 1-(4-Methoxybenzyl)-4-phenyl-1H-imidazole-2-carbaldehyde (CAS 660432-34-8)
- 1-(m-Tolyl)-3-(p-tolyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-20-8)
- 1-(4-Hydroxy-1,2-oxazolidin-2-yl)-2-[4-(pyridin-2-yl)piperazin-1-yl]ethan-1-one (CAS 344277-32-3)
- 1-(o-Tolyl)-3-(p-tolyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-23-1)
- Spiro[cyclopenta[2,1-b:3,4-b']dithiophene-4,2'-[1,3]dioxolane] (CAS 156547-71-6)
- Ethyl octadec-9-enoate (CAS 6512-99-8)
- 9-Ethoxy-2,3-dihydro-[1,4]dioxino[2,3-g]quinoline-7-carboxylic acid (CAS 1351780-19-2)
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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