120295-14-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 120295-14-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,2,9 and 5 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 120295-14:
(8*1)+(7*2)+(6*0)+(5*2)+(4*9)+(3*5)+(2*1)+(1*4)=89
89 % 10 = 9
So 120295-14-9 is a valid CAS Registry Number.
120295-14-9Relevant articles and documents
Preparation process of α-L-aspartyl-L-phenylalanine methyl ester or hydrochloride thereof
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, (2008/06/13)
Disclosed herein is a process for preparing α-L-aspartyl-L-phenylalanine methyl ester or its hydrochloride from 5-benzyl-3,6-dioxo-2-piperazine acetic acid or its methyl ester, prepared without using L-penylalanine methyl ester which involves problems in