30804-71-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30804-71-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,8,0 and 4 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 30804-71:
(7*3)+(6*0)+(5*8)+(4*0)+(3*4)+(2*7)+(1*1)=88
88 % 10 = 8
So 30804-71-8 is a valid CAS Registry Number.