103646-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103646-13-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,6,4 and 6 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103646-13:
(8*1)+(7*0)+(6*3)+(5*6)+(4*4)+(3*6)+(2*1)+(1*3)=95
95 % 10 = 5
So 103646-13-5 is a valid CAS Registry Number.