30682-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30682-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,6,8 and 2 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 30682-50:
(7*3)+(6*0)+(5*6)+(4*8)+(3*2)+(2*5)+(1*0)=99
99 % 10 = 9
So 30682-50-9 is a valid CAS Registry Number.