3-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-a]phthalazin-6(5H)-one CAS 87540-94-1
| CAS No. | 87540-94-1 |
| Molecular Formula | C16H12N4O2 |
| Molecular Weight | 292.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 292.29 g/mol gives 3-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-a]phthalazin-6(5H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-a]phthalazin-6(5H)-one (CAS 87540-94-1) is a high-purity analytical reference standard with the molecular formula C16H12N4O2 and a molecular weight of 292.29 g/mol.
3-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-a]phthalazin-6(5H)-one (C16H12N4O2) contains a nitrogen-containing heterocyclic scaffold, 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 3-(4-Methoxyphenyl)-[1,2,4]triazolo[3,4-a]phthalazin-6(5H)-one 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.
Physical & Chemical Properties
| Molecular Formula | C16H12N4O2 |
| Molecular Weight | 292.29 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 4 |
Related Methoxyphenyl Standards
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- Methyl 2-((1-(4-methoxyphenyl)-2,5-dioxopyrrolidin-3-yl)amino)acetate (CAS 471917-79-0)
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- Dimethyl 5,6,11,12-tetrahydrodibenzo[a,e][8]annulene-2,9-dicarboxylate (CAS 96411-82-4)
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