91973-41-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91973-41-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,9,7 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91973-41:
(7*9)+(6*1)+(5*9)+(4*7)+(3*3)+(2*4)+(1*1)=160
160 % 10 = 0
So 91973-41-0 is a valid CAS Registry Number.