1922-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1922-78-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,2 and 2 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1922-78:
(6*1)+(5*9)+(4*2)+(3*2)+(2*7)+(1*8)=87
87 % 10 = 7
So 1922-78-7 is a valid CAS Registry Number.
1922-78-7Relevant articles and documents
Ytterbium Metal-Promoted Reaction of Ketimines with Carbon Dioxide
Takaki, Ken,Tanaka, Shinji,Fujiwara, Yuzo
, p. 493 - 494 (2007/10/02)
Ketimines are reduced by ytterbium metal and reacted with carbon dioxide to give Yb salts of α-amino acids in good yields.