923556-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 923556-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,2,3,5,5 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 923556-23:
(8*9)+(7*2)+(6*3)+(5*5)+(4*5)+(3*6)+(2*2)+(1*3)=174
174 % 10 = 4
So 923556-23-4 is a valid CAS Registry Number.