10300-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10300-83-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,3,0 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 10300-83:
(7*1)+(6*0)+(5*3)+(4*0)+(3*0)+(2*8)+(1*3)=41
41 % 10 = 1
So 10300-83-1 is a valid CAS Registry Number.