91258-92-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91258-92-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,5 and 8 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91258-92:
(7*9)+(6*1)+(5*2)+(4*5)+(3*8)+(2*9)+(1*2)=143
143 % 10 = 3
So 91258-92-3 is a valid CAS Registry Number.