1039834-64-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1039834-64-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,9,8,3 and 4 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1039834-64:
(9*1)+(8*0)+(7*3)+(6*9)+(5*8)+(4*3)+(3*4)+(2*6)+(1*4)=164
164 % 10 = 4
So 1039834-64-4 is a valid CAS Registry Number.