923555-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 923555-71-9 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 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 923555-71:
(8*9)+(7*2)+(6*3)+(5*5)+(4*5)+(3*5)+(2*7)+(1*1)=179
179 % 10 = 9
So 923555-71-9 is a valid CAS Registry Number.