306749-74-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 306749-74-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,6,7,4 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 306749-74:
(8*3)+(7*0)+(6*6)+(5*7)+(4*4)+(3*9)+(2*7)+(1*4)=156
156 % 10 = 6
So 306749-74-6 is a valid CAS Registry Number.