136982-42-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136982-42-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,9,8 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 136982-42:
(8*1)+(7*3)+(6*6)+(5*9)+(4*8)+(3*2)+(2*4)+(1*2)=158
158 % 10 = 8
So 136982-42-8 is a valid CAS Registry Number.