4-(4-Chlorophenyl)-4-ethoxy-butyronitrile CAS 6940-87-0
| CAS No. | 6940-87-0 |
| Molecular Formula | C18H21N2O3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 402.40 g/mol gives 4-(4-Chlorophenyl)-4-ethoxy-butyronitrile distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(4-Chlorophenyl)-4-ethoxy-butyronitrile (CAS 6940-87-0), molecular formula C18H21N2O3C2HO4 and molecular weight 402.40 g/mol, is a CATO reference standard with documented purity and traceability.
4-(4-Chlorophenyl)-4-ethoxy-butyronitrile (C18H21N2O3C2HO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 4-(4-Chlorophenyl)-4-ethoxy-butyronitrile 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 | C18H21N2O3 C2HO4 |
| Molecular Weight | 402.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 2-(2-Chlorophenyl)-2-(pyrrolidin-1-yl)acetamide (CAS 1000340-02-2)
- N-(2-Chlorophenyl)-5-methyl-1-phenyl-1H-1,2,4-triazole-3-carboxamide (CAS 1000572-01-9)
- N-(2-Chlorophenyl)-5-oxo-1-(p-tolyl)-2,5-dihydro-1H-1,2,4-triazole-3-carboxamide (CAS 1000573-94-3)
- Methyl 1-(2-chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylate (CAS 1000576-85-1)
- 1-(4-Chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylic acid phenylamide (CAS 1000577-01-4)
- Benzyl 1-(4-chlorophenyl)-2,5-dihydro-5-oxo-1H-1,2,4-triazole-3-carboxylate (CAS 1000577-09-2)
- 1-(2-Chlorophenyl)-5-oxo-N-phenyl-2,5-dihydro-1H-1,2,4-triazole-3-carboxamide (CAS 1000577-29-6)
- 2-(2-Chlorophenyl)-1-phenylethan-1-amine (CAS 1000615-44-0)
Recommended Standards
- 4-Amino-2-hydroxy-N-methylbenzamide (CAS 170368-39-5)
- 1-(Fluorosulfonyl)piperidine-4-carboxylic acid (CAS 1839621-69-0)
- 1-(2-Methylcyclohex-1-en-1-yl)-2,5-dihydro-1H-pyrrole (CAS 752206-01-2)
- n-(4-(3-Bromophenyl)thiazol-2-yl)-2-((3-(3-(dimethylamino)propyl)-4-oxo-3,4-dihydroquinazolin-2-yl)thio)acetamide (CAS 757215-55-7)
- 2-(3,4-Dihydro-2H-quinolin-1-yl)-ethylamine dihydrochloride (CAS 890713-92-5)
- 3,4-Dimethoxypyrrolidine hydrochloride (CAS 1622351-30-7)
- 1-Chlorodibenzo[b,d]furan (CAS 84761-86-4)
- Methanetricarboxylic acid (CAS 101687-15-4)
- 4054-82-4 Bis(2-methylpropyl) 2,3-dihydroxybutanedioate EINECS 223-763-3 (CAS 4054-82-4)
- (Pro30,Tyr32,Leu34)-Neuropeptide Y (28-36) (CAS 161650-01-7)
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