208650-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208650-53-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,6,5 and 0 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 208650-53:
(8*2)+(7*0)+(6*8)+(5*6)+(4*5)+(3*0)+(2*5)+(1*3)=127
127 % 10 = 7
So 208650-53-7 is a valid CAS Registry Number.
208650-53-7Relevant academic research and scientific papers
Zhang, Zhan Bin,Wu, Yong Ren,Yin, Cheng Lie
, p. 2203 - 2207 (2002)
Sydnones 2a-f were prepared by the reaction of the corresponding sydnones 1a-f with acetone in the presence of concentrate sulfuric acid or BF3-Et2O.