900019-02-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900019-02-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,0,1 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 900019-02:
(8*9)+(7*0)+(6*0)+(5*0)+(4*1)+(3*9)+(2*0)+(1*2)=105
105 % 10 = 5
So 900019-02-5 is a valid CAS Registry Number.