117833-17-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117833-17-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,8,3 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 117833-17:
(8*1)+(7*1)+(6*7)+(5*8)+(4*3)+(3*3)+(2*1)+(1*7)=127
127 % 10 = 7
So 117833-17-7 is a valid CAS Registry Number.
117833-17-7Relevant articles and documents
N-acetylaspartylglutamic acid and its β-isomer
Piotrovskii, L. B.,Dumpis, M. A.,Poznyakova, L. N.,Aleksandrova, L. N.,Sepetov, N. F.
, p. 96 - 100 (2007/10/02)
The α-isomer is predominantly formed in the synthesis of N-acetylaspartylglutamic acid and its β-isomer upon cleavage of N-acetylaspartic acid anhydride by the diethyl ester of glutamic acid.