81659-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81659-76-9 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 6 respectively.
Calculate Digit Verification of CAS Registry Number 81659-76:
(7*8)+(6*1)+(5*6)+(4*5)+(3*9)+(2*7)+(1*6)=159
159 % 10 = 9
So 81659-76-9 is a valid CAS Registry Number.
81659-76-9Relevant 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.
