1256917-68-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1256917-68-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,9,1 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1256917-68:
(9*1)+(8*2)+(7*5)+(6*6)+(5*9)+(4*1)+(3*7)+(2*6)+(1*8)=186
186 % 10 = 6
So 1256917-68-6 is a valid CAS Registry Number.