71833-41-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71833-41-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,3 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 71833-41:
(7*7)+(6*1)+(5*8)+(4*3)+(3*3)+(2*4)+(1*1)=125
125 % 10 = 5
So 71833-41-5 is a valid CAS Registry Number.