1,1-Dimethyl-3-(5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridin-3-yl)urea CAS 303995-23-5
Purity 97%+In StockPharmaceutical Standards
| 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
Order 1,1-Dimethyl-3-(5-oxo-2-(trifluoromethyl)-5H-chromeno[2,3-b]pyridin-3-yl)urea (CAS 303995-23-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C16H12F3N3O3. Molecular weight: 351.28 g/mol. COA included with every batch.
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
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- 1-[2,5-Dimethyl-1-(2,2,4-trimethyl-2,3-dihydro-1-benzofuran-7-yl)-1H-pyrrol-3-yl]-2,2,2-trifluoro-1-ethanone (CAS 866008-61-9)
- (2,2-Dimethyl-1,3-dioxolan-4-yl)methyl (2S)-1-(4-fluorobenzyl)-5-oxopyrrolidine-2-carboxylate (CAS 59749-40-5)
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- Ethyl 2-((1,3-dimethyl-2,4-dioxo-6-propyl-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidin-5-yl)thio)acetate (CAS 900004-91-3)
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)
- ((7-Chlorobenzo[d][1,3]dioxol-5-yl)methyl)glycine (CAS 1152538-97-0)
- 5-(Cyclohexylmethyl)-2-hydroxy-N-methylbenzamide (CAS 1243439-64-6)
- 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)
- Semaglutide Impurity 149 (CAS CATO-C4X-2226149)
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