3091-00-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3091-00-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,0,9 and 1 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3091-00:
(6*3)+(5*0)+(4*9)+(3*1)+(2*0)+(1*0)=57
57 % 10 = 7
So 3091-00-7 is a valid CAS Registry Number.