30017-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30017-81-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,0,1 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 30017-81:
(7*3)+(6*0)+(5*0)+(4*1)+(3*7)+(2*8)+(1*1)=63
63 % 10 = 3
So 30017-81-3 is a valid CAS Registry Number.