(3-Nitro-4-phenoxyphenyl)methyl N-(3,5-dichlorophenyl)carbamate CAS 338960-68-2
| CAS No. | 338960-68-2 |
| Molecular Formula | C20H14Cl2N2O5 |
| Molecular Weight | 433.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (3-Nitro-4-phenoxyphenyl)methyl N-(3,5-dichlorophenyl)carbamate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
(3-Nitro-4-phenoxyphenyl)methyl N-(3,5-dichlorophenyl)carbamate (CAS 338960-68-2), molecular formula C20H14Cl2N2O5 and molecular weight 433.24 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, (3-Nitro-4-phenoxyphenyl)methyl N-(3,5-dichlorophenyl)carbamate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 433.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H14Cl2N2O5 |
| Molecular Weight | 433.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- (2S,4S)-1-(tert-Butoxycarbonyl)-4-(4-iodophenoxy)-2-pyrrolidinecarboxylic acid (CAS 1354486-35-3)
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- (2S,4S)-1-(tert-Butoxycarbonyl)-4-(2-iodophenoxy)-2-pyrrolidinecarboxylic acid (CAS 1354486-18-2)
- [4-(4-Chlorophenoxy)-3-nitrophenyl]methyl N-(3-chlorophenyl)carbamate (CAS 339279-24-2)
- 4-Phenyloxazole (CAS 20662-89-9)
- N-(2-(Cyclohex-1-en-1-yl)ethyl)-3-ethoxy-4-fluorobenzenesulfonamide (CAS 898644-74-1)
- 2,3,7,8,12,13,17,18-Octafluoro-5,10,15,20-tetrakis(pentafluorophenyl)porphyrin (CAS 121399-88-0)
- Zolmitriptan (CAS 139264-17-8)
- Tucatinib Impurity 62 (E-Isomer) (CAS CATO-C4X-260562)
- 1-Bromo-2-chloro-4-(methoxymethoxy)-benzene (CAS 1300743-20-7)
- Methyl 1-methyl-1H-imidazo[4,5-c]pyridine-6-carboxylate (CAS 1936224-65-5)
- 4-(4-Methylpiperidin-1-yl)-2-(trifluoromethyl)benzaldehyde (CAS 1427011-04-8)
- 2-(O-tolylthio)cyclopentan-1-one (CAS 1179171-35-7)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
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