73563-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73563-23-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,6 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73563-23:
(7*7)+(6*3)+(5*5)+(4*6)+(3*3)+(2*2)+(1*3)=132
132 % 10 = 2
So 73563-23-2 is a valid CAS Registry Number.