203387-16-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 203387-16-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,3,8 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 203387-16:
(8*2)+(7*0)+(6*3)+(5*3)+(4*8)+(3*7)+(2*1)+(1*6)=110
110 % 10 = 0
So 203387-16-0 is a valid CAS Registry Number.