1239164-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1239164-79-4 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, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1239164-79:
(9*1)+(8*2)+(7*3)+(6*9)+(5*1)+(4*6)+(3*4)+(2*7)+(1*9)=164
164 % 10 = 4
So 1239164-79-4 is a valid CAS Registry Number.