934503-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 934503-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,5,0 and 3 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 934503-16:
(8*9)+(7*3)+(6*4)+(5*5)+(4*0)+(3*3)+(2*1)+(1*6)=159
159 % 10 = 9
So 934503-16-9 is a valid CAS Registry Number.