3-(3-Methylisoxazol-5-yl)quinazolin-4(3H)-one CAS 86134-18-1
| CAS No. | 86134-18-1 |
| Molecular Formula | C12H9N3O2 |
| Molecular Weight | 227.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 227.22 g/mol gives 3-(3-Methylisoxazol-5-yl)quinazolin-4(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-(3-Methylisoxazol-5-yl)quinazolin-4(3H)-one (CAS 86134-18-1) is a high-purity analytical reference standard with the molecular formula C12H9N3O2 and a molecular weight of 227.22 g/mol.
3-(3-Methylisoxazol-5-yl)quinazolin-4(3H)-one (C12H9N3O2) contains an amino-acid-derived structure, 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).
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)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 | C12H9N3O2 |
| Molecular Weight | 227.22 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 3 |
Related Methylisoxazol Standards
- 5-((3-Methylisoxazol-5-yl)methylene)-2-thioxothiazolidin-4-one (CAS 70996-93-9)
- 2-(4-Methylisoxazol-3-yl)-1,2,4-benzotriazin-3(2H)-one (CAS 1071400-99-1)
- 5-(((5-Methylisoxazol-3-yl)methyl)thio)-1,3,4-thiadiazol-2-amine (CAS 875750-30-4)
- (3-Ethyl-5-methylisoxazol-4-yl)(morpholino)methanone (CAS 775300-12-4)
- ({2-[(5-methylisoxazol-3-yl)amino]-2-oxoethyl}thio)acetic acid (CAS 436091-57-5)
- 3-Methylisoxazol-5-yl trifluoromethanesulfonate (CAS 1363210-15-4)
- 1-Methyl-3-(5-methylisoxazol-3-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-ol (CAS 1260876-64-9)
- 1-(4-((5-Methylisoxazol-3-yl)methoxy)phenyl)ethan-1-one (CAS 1042646-46-7)
Recommended Standards
- 3-(3,5-Dimethyl-4-nitro-1h-pyrazol-1-yl)propanehydrazide (CAS 512810-12-7)
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- 3-(2,6-Dimethylmorpholino)-1,1,1-trifluoropropan-2-ol (CAS 667938-72-9)
- 3-[(1Z)-2-Amino-1,2-dicyanoeth-1-en-1-yl]-1-phenylurea (CAS 51802-29-0)
- (2S,4R)-1-(tert-Butoxycarbonyl)-4-(tosyloxy)pyrrolidine-2-carboxylic Acid (CAS 96314-28-2)
- 2-Chloro-6-(trifluoromethoxy)phenol (CAS 1036713-42-4)
- 2-((2-(Trifluoromethyl)phenoxy)methyl)-1,3-dioxolane (CAS 1443353-53-4)
- 1-(Benzo[d]thiazol-2-yl)-2-methylpropan-2-ol (CAS 137807-22-8)
- Methyl 4-(pent-4-enamidomethyl)piperidine-1-carboxylate (CAS 1235661-62-7)
- Methyl 3-(piperidin-4-ylmethyl)benzoate hydrochloride (CAS 1170373-83-7)
- Tert-butyl 7-fluoro-2,5-diazaspiro[3.4]Octane-5-carboxylate (CAS 2306265-68-7)
- methyl 2-(2,5-difluorophenyl)-2-(methylamino)acetate hydrochloride (CAS 1251923-11-1)
- 4-Aminopyrrolo[2,1-F][1,2,4]triazine-5-carboxylic acid (CAS 1236201-15-2)
- Autoinducing Peptide I trifluoroacetate salt (CAS 200010-29-3)
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