30934-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30934-87-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,9,3 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 30934-87:
(7*3)+(6*0)+(5*9)+(4*3)+(3*4)+(2*8)+(1*7)=113
113 % 10 = 3
So 30934-87-3 is a valid CAS Registry Number.