111687-29-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111687-29-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,6,8 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 111687-29:
(8*1)+(7*1)+(6*1)+(5*6)+(4*8)+(3*7)+(2*2)+(1*9)=117
117 % 10 = 7
So 111687-29-7 is a valid CAS Registry Number.