938337-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 938337-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,8,3,3 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 938337-20:
(8*9)+(7*3)+(6*8)+(5*3)+(4*3)+(3*7)+(2*2)+(1*0)=193
193 % 10 = 3
So 938337-20-3 is a valid CAS Registry Number.