81659-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81659-75-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,5 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 81659-75:
(7*8)+(6*1)+(5*6)+(4*5)+(3*9)+(2*7)+(1*5)=158
158 % 10 = 8
So 81659-75-8 is a valid CAS Registry Number.
81659-75-8Relevant articles and documents
Synthesis of N2-Protected L-2,3-Diaminopropanoic Acids
Noguchi, Noriyoshi,Kuroda, Tsuyoshi,Hatanaka, Minoru,Ishimaru, Toshiyasu
, p. 633 - 634 (2007/10/02)
The title compounds have been synthesized from N-protected L-aspartic acid via Curtis rearrangement.
