103503-35-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103503-35-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,5,0 and 3 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 103503-35:
(8*1)+(7*0)+(6*3)+(5*5)+(4*0)+(3*3)+(2*3)+(1*5)=71
71 % 10 = 1
So 103503-35-1 is a valid CAS Registry Number.