3-(4-Chlorophenyl)-9-(3-hydroxypropyl)-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one CAS 1010933-62-6
| CAS No. | 1010933-62-6 |
| Molecular Formula | C20H18ClNO4 |
| Molecular Weight | 371.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(4-Chlorophenyl)-9-(3-hydroxypropyl)-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 3-(4-Chlorophenyl)-9-(3-hydroxypropyl)-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one (CAS 1010933-62-6), a certified reference material (molecular formula C20H18ClNO4, MW 371.81 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H18ClNO4, 3-(4-Chlorophenyl)-9-(3-hydroxypropyl)-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 371.81 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 3-(4-Chlorophenyl)-9-(3-hydroxypropyl)-9,10-dihydro-4H,8H-chromeno[8,7-e][1,3]oxazin-4-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C20H18ClNO4 |
| Molecular Weight | 371.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenyl Standards
- 1119391-59-1 3-(4-chlorophenyl)-4-imino-6-(thiophen-2-yl)-1H,2H,3H,4H,7H,8H-[1,3]diazino[5,4-d]pyrimidine-2,8-dione MS-10940 (CAS 1119391-59-1)
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Recommended Standards
- Avanafil Impurity 56 (CAS 2310299-29-5)
- (2S,4S)-1-(tert-Butoxycarbonyl)-4-(2-chloro-4-methoxyphenoxy)-2-pyrrolidinecarboxylic acid (CAS 1354486-68-2)
- N-(4-chlorophenyl)-2-hydroxy-4-oxo-4H-benzo[4,5]thiazolo[3,2-a]pyrimidine-3-carboxamide (CAS 224313-84-2)
- 1-(2-Chlorobenzoyl)-5-methoxy-2-methyl-1H-indole-3-acetic Acid Methyl Ester (CAS 1568-35-0)
- Carrier Protein 7 (CAS CATO-CPTD788449)
- N-cyclopropyl-2-(2-oxobenzo[d]oxazol-3(2H)-yl)acetamide (CAS 848903-91-3)
- 3'-Trifluoromethylbiphenyl-4-boronic acid (CAS 1106837-36-8)
- 4-Bromo-6-chloro-3-methyl-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one (CAS 2090435-03-1)
- 4-Bromo-1-(methylsulfinyl)-2-(trifluoromethyl)benzene (CAS 1820608-23-8)
- 2-Octylbenzofuran (CAS 39195-68-1)
- 3-Bromomethyl-2-fluoro-4-(trifluoromethyl)pyridine (CAS 1227575-50-9)
- 4-Hydroxyphenylacetic acid-d6 (CAS 100287-06-7)
- Tert-butyl (1S,5R)-2-oxo-8-azabicyclo[3.2.1]Octane-8-carboxylate (CAS 208038-02-2)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
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