1241680-65-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1241680-65-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,1,6,8 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1241680-65:
(9*1)+(8*2)+(7*4)+(6*1)+(5*6)+(4*8)+(3*0)+(2*6)+(1*5)=138
138 % 10 = 8
So 1241680-65-8 is a valid CAS Registry Number.