91010-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91010-93-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,1 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91010-93:
(7*9)+(6*1)+(5*0)+(4*1)+(3*0)+(2*9)+(1*3)=94
94 % 10 = 4
So 91010-93-4 is a valid CAS Registry Number.