873773-20-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873773-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,7,7 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 873773-20:
(8*8)+(7*7)+(6*3)+(5*7)+(4*7)+(3*3)+(2*2)+(1*0)=207
207 % 10 = 7
So 873773-20-7 is a valid CAS Registry Number.
873773-20-7Relevant articles and documents
PROCESS FOR THE PREPARATION OF N-ACYL BETA-AMINOALDEHYDES
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Page/Page column 24, (2010/11/08)
This invention relates to a process for the preparation of enantiomerically enriched N--acyl ?-aminoaldehydes. In particular it relates to asymmetric hydrogenation of N-acyl enamides.