1239164-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239164-57-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,1,6 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1239164-57:
(9*1)+(8*2)+(7*3)+(6*9)+(5*1)+(4*6)+(3*4)+(2*5)+(1*7)=158
158 % 10 = 8
So 1239164-57-8 is a valid CAS Registry Number.