1,1-Dimethyl-3-(5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridin-3-yl)urea CAS 303995-23-5
| CAS No. | 303995-23-5 |
| Molecular Formula | C16H12F3N3O3 |
| Molecular Weight | 351.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1,1-Dimethyl-3-(5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridin-3-yl)urea is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
1,1-Dimethyl-3-(5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridin-3-yl)urea (CAS 303995-23-5) is a high-purity analytical reference standard with the molecular formula C16H12F3N3O3 and a molecular weight of 351.28 g/mol.
Based on its molecular formula C16H12F3N3O3, 1,1-Dimethyl-3-(5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridin-3-yl)urea contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 351.28 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.
CATO manufactures 1,1-Dimethyl-3-(5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridin-3-yl)urea 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 | C16H12F3N3O3 |
| Molecular Weight | 351.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Dimethyl Standards
- Methyl 1,1-dimethyl-2-(5-(trifluoromethyl)pyrazin-2-yl)isoindoline-4-carboxylate (CAS 2231754-11-1)
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Recommended Standards
- [4-(Hydroxymethyl)-1-[4-phenyl-6-(trifluoromethyl)pyrimidin-2-yl]-1H-1,2,3-triazol-5-yl]methanol (CAS 861210-55-1)
- 2-(1-(4-Bromophenyl)-3,3-bis(methylthio)allylidene)malononitrile (CAS 89482-72-4)
- 4-Bromo 17-beta-Estradiol (CAS 1630-83-7)
- 2-(3-Cyclopropyl-6-(furan-2-yl)-4-(trifluoromethyl)-1h-pyrazolo[3,4-b]pyridin-1-yl)acetic acid (CAS 937606-04-7)
- ((7-Chlorobenzo[d][1,3]dioxol-5-yl)methyl)glycine (CAS 1152538-97-0)
- 5-(Cyclohexylmethyl)-2-hydroxy-N-methylbenzamide (CAS 1243439-64-6)
- Ethyl (E)-2-cyclobutyl-7-(2-(dimethylamino)vinyl)-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate (CAS 1379821-55-2)
- 5-Fluoro-1-propyl-1H-indole-3-carbaldehyde (CAS 944465-16-1)
- (R)-2-Chloro-1-(5,6,7,8-tetrahydronaphthalen-2-yl)ethan-1-ol (CAS 1212394-70-1)
- 3-Benzyl-4-methoxyaniline hydrochloride (CAS 2750-20-1)
- 1-(3,4-Dichlorobenzyl)-3-(4-methyl-5-(methylthio)-4H-1,2,4-triazol-3-yl)pyridin-2(1H)-one (CAS 477853-14-8)
- 2-[(4-Fluorophenyl)sulfanyl]-5-(trifluoromethyl)benzonitrile (CAS 477866-78-7)
- Methyl 5-bromo-6-(trifluoromethyl)nicotinate (CAS 1198016-45-3)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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