Ethyl ((3-chlorophenyl)(4-oxochroman-3-yl)methyl)carbamate CAS 439111-08-7
| CAS No. | 439111-08-7 |
| Molecular Formula | C19H18ClNO4 |
| Molecular Weight | 359.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl ((3-chlorophenyl)(4-oxochroman-3-yl)methyl)carbamate (CAS 439111-08-7), molecular formula C19H18ClNO4 and molecular weight 359.80 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl ((3-chlorophenyl)(4-oxochroman-3-yl)methyl)carbamate (C19H18ClNO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 359.80 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 Ethyl ((3-chlorophenyl)(4-oxochroman-3-yl)methyl)carbamate 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 | C19H18ClNO4 |
| Molecular Weight | 359.80 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 1,2,4-Tribromo-5-nitrobenzene (CAS 89365-48-0)
- 5,8-Dioxaspiro[3.4]octan-2-ylmethanol (CAS 545882-60-8)
- 1-(Tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazolo[3,4-b]pyridine (CAS 2508137-25-3)
- 2-Bromo-3-chloro-6-hydroxybenzoic acid (CAS 1934463-24-7)
- 2-[(2-acetamidoethyl)amino]-2-methylpropanoic acid hydrochloride (CAS 1461713-89-2)
- Ethyl 4-(hydroxymethyl)cyclohexanecarboxylate (CAS 190321-74-5)
- 4-Methoxy-3-pyrrol-1-yl-benzoic acid (CAS 1000356-65-9)
- Benzyl 2-amino-5-bromobenzoate (CAS 1131587-72-8)
- 1-(Methoxymethyl)cyclobutan-1-amine (CAS 1123169-20-9)
- (5-Bromopyridin-2-yl)(phenyl)methanol (CAS 181647-50-7)
- Palmitoyl Tetrapeptide-7 (CAS 221227-05-0)
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