11-Chloro-2,4-dimethyl-4,6a,7,12b-tetrahydro-1H,6H-chromeno[4',3':4,5]pyrano[2,3-d]pyrimidine-1,3(2H)-dione CAS 338954-18-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338954-18-0 |
| Molecular Formula | C16H15ClN2O4 |
| Molecular Weight | 334.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
11-Chloro-2,4-dimethyl-4,6a,7,12b-tetrahydro-1H,6H-chromeno[4',3':4,5]pyrano[2,3-d]pyrimidine-1,3(2H)-dione (CAS 338954-18-0) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H15ClN2O4. Molecular weight: 334.75 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H15ClN2O4 |
| Molecular Weight | 334.75 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 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
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- 3-[(2-Chloro-6-ethoxy-4-formylphenoxy)methyl]benzoic acid (CAS 428843-08-7)
- 4-(1-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)ethyl)pyrimidin-2-amine (CAS 338397-88-9)
- 4-(4-chloro-3-nitrophenyl)-2-(4-fluorophenyl)-1,3-thiazole (CAS 260788-64-5)
- Ethyl 2-(5-chloro-2-oxo-3-(phenylcarbamoyl)pyridin-1(2H)-yl)acetate (CAS 339028-37-4)
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Recommended Standards
- n-[4-(chloromethyl)-1,3-thiazol-2-yl]-n-[3-(trifluoromethyl)phenyl]acetamide (CAS 757222-04-1)
- N-(2-chlorobenzyl)-2-methyl-4-(trifluoromethyl)thiazole-5-carboxamide (CAS 338793-21-8)
- 5-((4-Chlorobenzyl)thio)-1-methyl-3-(trifluoromethyl)-1H-pyrazole-4-carbaldehyde (CAS 321553-32-6)
- 6-(Hydroxymethyl)-4-(3-methoxypropyl)-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 857272-03-8)
- (R)-((2-(bromomethyl)-3-methylbutoxy)methyl)benzene (CAS 179993-02-3)
- [2S,3aR,6aR]-1-[(2(S)-2-[[(1R)-1-Ethoxycarbonxyl)-3-phenylpropyl]amino]-1-oxopropyl]octahydrocyclopenta[6]pyrrole-2-carboxylic Acid Benzyl Ester (CAS 1356352-52-7)
- 4-((3,4-Dimethylphenyl)amino)-4-oxobutanoic acid (CAS 69517-61-9)
- 3-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzaldehyde (CAS 76620-02-5)
- 6-Hydroxy-11-methyl-13-(trifluoromethyl)-8-thia-3,5,10-triazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),5,10,12-pentaen-4-one (CAS 674804-56-9)
- Semaglutide Impurity 18 (CAS 1671100-14-3)
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