930102-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 930102-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,0,1,0 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 930102-42:
(8*9)+(7*3)+(6*0)+(5*1)+(4*0)+(3*2)+(2*4)+(1*2)=114
114 % 10 = 4
So 930102-42-4 is a valid CAS Registry Number.