200803-37-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 200803-37-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,8,0 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 200803-37:
(8*2)+(7*0)+(6*0)+(5*8)+(4*0)+(3*3)+(2*3)+(1*7)=78
78 % 10 = 8
So 200803-37-8 is a valid CAS Registry Number.