389634-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 389634-12-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,8,9,6,3 and 4 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 389634-12:
(8*3)+(7*8)+(6*9)+(5*6)+(4*3)+(3*4)+(2*1)+(1*2)=192
192 % 10 = 2
So 389634-12-2 is a valid CAS Registry Number.