41567-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41567-23-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,5,6 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 41567-23:
(7*4)+(6*1)+(5*5)+(4*6)+(3*7)+(2*2)+(1*3)=111
111 % 10 = 1
So 41567-23-1 is a valid CAS Registry Number.
41567-23-1Relevant articles and documents
Process for the preparation of alfa-L-aspartyl-L-phenyl-alanine alkyl esters
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, (2008/06/13)
A new process for preparing alfa-L-aspartyl-L-phenylalanine alkyl esters of formula I STR1 wherein R represents an alkyl group having from 1 to 5 carbon atoms, starting from the corresponding alfa-haloacyl-alfa-L-aspartyl-L-phenylalanine alkyl esters.