691860-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 691860-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,1,8,6 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 691860-39:
(8*6)+(7*9)+(6*1)+(5*8)+(4*6)+(3*0)+(2*3)+(1*9)=196
196 % 10 = 6
So 691860-39-6 is a valid CAS Registry Number.
691860-39-6Relevant articles and documents
Useful synthesis of aryl cinnamates: synthesis of difengpin
Mall, Raghao S.,Papalkar, Abhijit S.
, p. 1001 - 1013 (2007/10/03)
A convenient high yield and general method is described for the synthesis of difengpin (8a) and aryl cinnamates (8b-h and 9a,b) from benzaldehydes (7a-h)
