71892-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 71892-56-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,8,9 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 71892-56:
(7*7)+(6*1)+(5*8)+(4*9)+(3*2)+(2*5)+(1*6)=153
153 % 10 = 3
So 71892-56-3 is a valid CAS Registry Number.