923559-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 923559-99-3 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 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 923559-99:
(8*9)+(7*2)+(6*3)+(5*5)+(4*5)+(3*9)+(2*9)+(1*9)=203
203 % 10 = 3
So 923559-99-3 is a valid CAS Registry Number.