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Pharmaceutical Intermediates

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CAS:17639-93-9
Molecular Formula:C4H7ClO2
2-Chlorpropionsuremethylester; Propanoic Acid, 2-Chloro-, Methyl Ester; Methyl 2-Chloropropanoate; Methyl A-Chloropropionate; 2-Chloropropyl Methyl; 2-Chloropropionic Acid Methyl Ester; Methyl Dl-A-Chloropropionate; Methyl 2-Chloropropion; 2- Chloromethyl Propionate; Methyl 2-Chloropropiote
Brief Introduction
α- Methyl chloropropionate is mainly used as the intermediate of pesticide, medicine and perfume. It is the intermediate of fungicide metalaxyl, benshuangling and procymidone, herbicide herbicide herbicide herbicide herbicide, Propionamide and so on.
CAS:176969-34-9
Molecular Formula:C6H6F2N2O2
1-Methyl-3-(Difluoromethyl)-1H-Pyrazole-4-Carboxylic Acid; 3-Difluoromethyl-1-Methyl-1H-Pyrazol-4-Ylcarboxylic Acid; Dfpa; 3-(Difluoromethyl)-1-Methyl-1H-Pyrazole-4-Carboxyl; Fluxypyroxadmetabolitem700F001; Difluoromethyl-1-Methyl-1H-Pyrazole-4-Carboxylic acid
Brief Introduction
3-(difluoromethyl)-1-methylpyrazole-4-carboxylic acid as carboxylic acid derivatives, which can act as intermediates of fungicides.
CAS:179688-53-0
Molecular Formula:C11H10N2O4
6-Acetoxy-7-Methoxy-3,4-Dihydroquinazolin-4-One; 6-Acetoxy-7-Methoxy-4-Quinazolinol; 3,4-Dihydro-4-Oxo-6-Acetyloxy-7-Methoxy-Quinazoline; 7-Methoxy-4-Oxo-3,4-Dihydroquinazolin-6-Yl Acetate; 6-Acetoxy-7-Methoxy-4-Hydroxyquinazoline; 6-Acetoxy-7-Methoxy-3,4-Dihydroquinazolin-4(3H)-one; 7-Methoxy-4-Oxo-1,4-Dihydroquinazolin-6-Yl Acetate; 6-Acetoxy-7-Methoxy-3H-Quinazolin-4-One; (7-Methoxy-4-Oxo-1H-Quinazolin-6-Yl) Acetate; Gefitinib Impurity vii
Brief Introduction
3,4-dihydro-7-methoxy-4-oxoquinazoline-6-ol acetate can be used as an intermediate in pharmaceutical synthesis. It can be prepared from 6-hydroxy-7-methoxy-4-ketoquinazoline as reaction raw material and can be used to prepare intermediate 7-methoxy-6-acetoxy-4-chloroquinazoline.
CAS:1878-66-6
Molecular Formula:C8H7ClO2
4-Cl-Phenylacetic Acid; P-Chlorophenylacetate; 2-(P-Chlorophenyl)Acetic Acid; 2-(4-Chlorophenyl)Acetic Acid
Brief Introduction
4-Chlorophenylacetic acid is mainly used as intermediate of medicine and pesticide.
CAS:1885-14-9
Molecular Formula:C7H5ClO2
Phenyl Chlorocarbonate; Phenyl Carbonochloridate; Carbonochloridic Acid Phenyl Ester; Phenoxycarbonyl Chloride; Formic Acid,Chloro-,Phenyl Ester; Carbonochloridic Acid, Phenyl Ester; Chloroformic Acid Phenyl Ester; Phenylchloroformate; Chlorocarbonic Acid Phenyl Ester; Fenylester Kyseliny Chlormravenci; Phenyl Chloroformatephenyl Ester; Phenyl Chloroformate (Pcf); Phenyl Carbonochloridic Acid; Carbonochloridic Acid; Chlorocarbonic Acid
Brief Introduction
Phenyl chloroformate is a kind of corrosive oily liquid, insoluble in water, soluble in ethanol and ether, easily soluble in petroleum ether. It is an important organic synthesis intermediate and widely used in chemical synthesis. It can be used as polymer catalyst, plastic modifier, fiber treatment agent, and intermediate of medicine and pesticide.
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