959761-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 959761-70-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,9,7,6 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 959761-70:
(8*9)+(7*5)+(6*9)+(5*7)+(4*6)+(3*1)+(2*7)+(1*0)=237
237 % 10 = 7
So 959761-70-7 is a valid CAS Registry Number.
959761-70-7Relevant articles and documents
PROCESS FOR THE PREPARATION OF ALPHA-CHLOROKETONES FROM ALKYL ESTERS
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Page/Page column 6, (2010/02/11)
The present invention relates to a process for the preparation of α-chloroketones from readily available alkyl esters by the reaction of a sulfoxonium ylide on said alkyl esters to generate a keto sulfoxonium ylide that is in turn treated with anhydrous HCl.