3-(4-Hydroxyphenyl)-2-[(Z)-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]quinazolin-4(3H)-one CAS 1321715-78-9
| CAS No. | 1321715-78-9 |
| Molecular Formula | C23H15N3O3 |
| Molecular Weight | 381.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(4-Hydroxyphenyl)-2-[(Z)-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]quinazolin-4(3H)-one (CAS 1321715-78-9) is a high-purity analytical reference standard with the molecular formula C23H15N3O3 and a molecular weight of 381.38 g/mol.
Structurally, 3-(4-Hydroxyphenyl)-2-[(Z)-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]quinazolin-4(3H)-one (C23H15N3O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 381.38 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-(4-Hydroxyphenyl)-2-[(Z)-(2-oxo-1,2-dihydro-3H-indol-3-ylidene)methyl]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 | C23H15N3O3 |
| Molecular Weight | 381.38 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Hydroxyphenyl Standards
- 2,2-Bis(4-hydroxyphenyl)-1,2-diphenylethanone (CAS 23916-51-0)
- 2-((5-(2-Hydroxyphenyl)-1,3,4-oxadiazol-2-yl)thio)-N'-(2-phenylacetyl)acetohydrazide (CAS 336180-05-3)
- 2-(4-((2-((4-Hydroxyphenyl)(methyl)amino)-4-oxothiazol-5(4H)-ylidene)methyl)phenoxy)acetic acid (CAS 501108-10-7)
- 1-(5-(3-Hydroxyphenyl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-2-(4-methylpiperazin-1-yl)ethan-1-one (CAS 899724-50-6)
- 6-(3-Hydroxyphenyl)-2-(2-morpholinoethyl)-4-phenylpyridazin-3(2H)-one (CAS 23419-45-6)
- 4,4'-((2-Hydroxyphenyl)methylene)bis(2,3,6-trimethylphenol) (CAS 184355-68-8)
- 2-((5-(2-Hydroxyphenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(2-methyl-4-nitrophenyl)acetamide (CAS 336180-64-4)
- 2-((5-(2-Hydroxyphenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(4-methyl-3-nitrophenyl)acetamide (CAS 336180-25-7)
Recommended Standards
- 5'-Carboxy Meloxicam (CAS 130262-93-0)
- Azido-PEG4-beta-D-glucose (CAS 1609083-15-9)
- Lavendustin A (CAS 125697-92-9)
- 9-(3,4-Dimethoxyphenyl)-6,7-dimethoxyfuro[3,4-b]quinolin-1(3H)-one (CAS 161493-22-7)
- Methadone Impurity A (CAS 14474-54-5)
- (1S,3R)-3-(hydroxymethyl)cyclohexan-1-ol (CAS 15753-48-7)
- 3-(m-tolyloxy)propane-1,2-diyl diacetate (CAS CATO-C3D-262285)
- Iohexol-D5 (CAS 928623-33-0)
- Methyl 2-acetamido-5-bromo-3-methylbenzoate (CAS 695204-50-3)
- 3-(Aminomethyl)tetrahydrofuran-3-carboxylic acid (CAS 1158760-35-0)
- (2,2,2-Trichloroethyl)benzene (CAS 3883-13-4)
- 1448AF 3-(3,4-Diethoxy-phenyl)-propylamine 878684-94-7 C13H21NO2 (CAS 878684-94-7)
- (2-Chlorophenyl)(piperazin-1-yl)methanone hydrochloride (CAS 57238-82-1)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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