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943436-51-9

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943436-51-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 943436-51-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,4,3 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 943436-51:
(8*9)+(7*4)+(6*3)+(5*4)+(4*3)+(3*6)+(2*5)+(1*1)=179
179 % 10 = 9
So 943436-51-9 is a valid CAS Registry Number.

943436-51-9Relevant articles and documents

METHOD FOR PRODUCTION OF 3-HYDROXYPROPAN-1-ONE COMPOUND, METHOD FOR PRODUCTION OF 2-PROPEN-1-ONE COMPOUND, AND METHOD FOR PRODUCTION OF ISOXAZOLINE COMPOUND

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Page/Page column 75, (2010/04/25)

There is provided a novel intermediate for producing pesticides. A method for producing 1,3-bis(substituted phenyl)-3-substituted-3-hydroxypropan-1-one compound of Formula (3) comprises reacting an aromatic ketone compound of Formula (4) and a substituted acetophenone compound of Formula (5) as starting raw materials in an organic solvent or water in the presence or absence of an additive in the presence of a base in a suspended state. A method for producing 1,3-bis(substituted phenyl)-3-substituted-2-propen-2-one compound of Formula (2) comprises dehydrating the compound of Formula (3). A method for producing compound (2) in one step comprises reacting compound (4) and compound (5) to obtain compound (3). Further, a method for producing an isoxazoline compound of Formula (1) comprises reacting compound (2) and a hydroxylamine in an aliphatic or an aromatic hydrocarbon solvent which is optionally substituted by a halogen atom by adding an additive selected from a phase-transfer catalyst, a C1-C6 alcohol and an aprotic polar solvent in the presence of a base and water.

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