905599-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 905599-19-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,5,5,9 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 905599-19:
(8*9)+(7*0)+(6*5)+(5*5)+(4*9)+(3*9)+(2*1)+(1*9)=201
201 % 10 = 1
So 905599-19-1 is a valid CAS Registry Number.