4-Chloro-3-cyanobenzoyl chloride CAS 181283-43-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 181283-43-2 |
| Molecular Formula | C8H3Cl2NO |
| Molecular Weight | 200.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-3-cyanobenzoyl chloride (CAS 181283-43-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H3Cl2NO. Molecular weight: 200.02 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H3Cl2NO |
| Molecular Weight | 200.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 2-Chloro-5-cyanobenzoyl chloride (CAS 122483-59-4)
- 3-chloro-4-cyanobenzoyl chloride (CAS 890530-29-7)
- 2-Chloro-N-(2-chloroethyl)-N-(2-methoxyethyl)ethan-1-amine (CAS 26112-92-5)
- 2-Chloro-5-methyl-3-(trimethylsilyl)pyridine (CAS 1203498-92-3)
- 5'-chloro-2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-isoquinoline] (CAS 885269-14-7)
- 6'-chloro-2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-isoquinoline] (CAS 885269-22-7)
- 7'-chloro-2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-isoquinoline] (CAS 885269-29-4)
- 4-Chloro-2-(cyclobutylthio)pyridine (CAS 1346707-36-5)
Recommended Standards
- 4-CYANO-2-FLUOROBENZOYL CHLORIDE (CAS 181074-22-6)
- (1-Methyl-2-(methylthio)-6-oxo-1,6-dihydropyrimidin-5-yl)boronic acid (CAS 2304634-39-5)
- 3,5-Dichloro-4-formylbenzonitrile (CAS 157870-18-3)
- 1,2,3,4,9,10,11,12-Octahydrodibenzo[b,j][1,7]phenanthroline-8,14(5H,13H)-dione (CAS 70071-66-8)
- 2,2-Diphenylpropane-1,3-diol (CAS 5464-86-8)
- 2-(difluoromethoxy)aniline hydrochloride (CAS 1782109-33-4)
- 6-Methyl-2-(pyrrolidin-1-yl)nicotinaldehyde (CAS 1706461-86-0)
- 8-Chloro-4-ethoxyquinoline (CAS 64965-29-3)
- 1-(Ethylsulfonyl)-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 2416488-42-9)
- Exenatide (CAS 141758-74-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com