900307-07-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900307-07-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,3,0 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 900307-07:
(8*9)+(7*0)+(6*0)+(5*3)+(4*0)+(3*7)+(2*0)+(1*7)=115
115 % 10 = 5
So 900307-07-5 is a valid CAS Registry Number.