803-37-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 803-37-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,0 and 3 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 803-37:
(5*8)+(4*0)+(3*3)+(2*3)+(1*7)=62
62 % 10 = 2
So 803-37-2 is a valid CAS Registry Number.