30834-76-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30834-76-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,8,3 and 4 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 30834-76:
(7*3)+(6*0)+(5*8)+(4*3)+(3*4)+(2*7)+(1*6)=105
105 % 10 = 5
So 30834-76-5 is a valid CAS Registry Number.