1002103-30-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1002103-30-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,2,1,0 and 3 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1002103-30:
(9*1)+(8*0)+(7*0)+(6*2)+(5*1)+(4*0)+(3*3)+(2*3)+(1*0)=41
41 % 10 = 1
So 1002103-30-1 is a valid CAS Registry Number.