91988-15-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91988-15-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,8 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91988-15:
(7*9)+(6*1)+(5*9)+(4*8)+(3*8)+(2*1)+(1*5)=177
177 % 10 = 7
So 91988-15-7 is a valid CAS Registry Number.
91988-15-7Relevant articles and documents
A Short Synthesis of Dihydrojasmone, cis- and trans-Jasmones
Ogura, Fumio,Otsubo, Tetsuo,Sakamoto, Tetsuo,Yamaguchi, Hachiro
, p. 1691 - 1692 (1984)
The titled jasmones were synthesized from N,N'-dimethyl-2-oxo-1,3-propanedisulfoanilide, a new three carbon building block for organic preparation.