Ethyl 2-amino-4-(2,4-dichlorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate CAS 329934-95-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 329934-95-4 |
| Molecular Formula | C18H17Cl2NO4 |
| Molecular Weight | 382.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-amino-4-(2,4-dichlorophenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carboxylate (CAS 329934-95-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H17Cl2NO4. Molecular weight: 382.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H17Cl2NO4 |
| Molecular Weight | 382.24 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 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
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Recommended Standards
- 4-(2,6-Dichlorobenzamido)-N-(piperidin-4-yl)-1H-pyrazole-3-carboxamide (CAS 844442-38-2)
- N-(2,3-dichlorophenyl)-2-(2-(4-ethylphenoxy)acetyl)hydrazine-1-carboxamide (CAS 893331-99-2)
- 3-(2-(3,5-Dichlorophenyl)hydrazono)-1-phenylindolin-2-one (CAS 303984-75-0)
- 2-Methyl-1-(pyrrolidin-2-ylmethyl)pyrrolidine (CAS 1216230-38-4)
- 4-(Pyrimidin-2-yloxy)phenol (CAS 102194-72-9)
- Boc-PEG8-Boc (CAS 1432970-18-7)
- 4-Amino-5-cyclopentylpentanoic acid (CAS 1339207-78-1)
- Bortezomib Impurity 29 (CAS CATO-C4X-107229)
- 2-chloro-4-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2096331-26-7)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
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