91078-52-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91078-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,7 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91078-52:
(7*9)+(6*1)+(5*0)+(4*7)+(3*8)+(2*5)+(1*2)=133
133 % 10 = 3
So 91078-52-3 is a valid CAS Registry Number.