3-(3-Methylisoxazol-5-yl)-2-(p-tolyl)quinazolin-4(3H)-one CAS 90059-43-1
| CAS No. | 90059-43-1 |
| Molecular Formula | C19H15N3O2 |
| Molecular Weight | 317.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(3-Methylisoxazol-5-yl)-2-(p-tolyl)quinazolin-4(3H)-one.
CATO supplies 3-(3-Methylisoxazol-5-yl)-2-(p-tolyl)quinazolin-4(3H)-one (CAS 90059-43-1), a certified reference material (molecular formula C19H15N3O2, MW 317.34 g/mol) for analytical method development and quality control.
Structurally, 3-(3-Methylisoxazol-5-yl)-2-(p-tolyl)quinazolin-4(3H)-one (C19H15N3O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 317.34 g/mol, it falls into the moderately-high-molecular-weight range. 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.
CATO manufactures 3-(3-Methylisoxazol-5-yl)-2-(p-tolyl)quinazolin-4(3H)-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 | C19H15N3O2 |
| Molecular Weight | 317.34 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 3 |
Related Methylisoxazol Standards
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Recommended Standards
- 3-(((3-Methoxyphenyl)amino)methylene)-1,5-dioxaspiro[5.5]undecane-2,4-dione (CAS 369394-57-0)
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- 3-(((2-Methoxyphenyl)amino)methylene)-1,5-dioxaspiro[5.5]undecane-2,4-dione (CAS 384357-00-0)
- 3-[(4-hydroxyphenyl)methylidene]-1H,2H,3H-cyclopenta[b]quinoline-9-carboxylic acid (CAS 748777-72-2)
- Benzo[d]thiazol-4-ylboronic acid (CAS 1352796-62-3)
- 5-tert-Butyl-2-oxazolecarboxylic Acid (CAS 209531-11-3)
- 5-Hydroxy-1H-indole-2-carboxylic Acid Ethyl Ester (CAS 24985-85-1)
- 3-(4-Fluoro-benzoyl)-2-methyl-indolizine-1-carbaldehyde oxime (CAS 454447-55-3)
- tert-Butyl 5-(aminomethyl)-3,3-dimethylindoline-1-carboxylate (CAS 1158745-66-4)
- 2-(2-((6-Chlorohexyl)oxy)ethoxy)ethan-1-ol (CAS 856372-59-3)
- 2-Chloro-2-methylpropanoyl Chloride (CAS 13222-26-9)
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- 1-Bromo-2-(cyclohexyloxy)cyclohexane (CAS 29837-04-5)
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