775228-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 775228-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,5,2,2 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 775228-90:
(8*7)+(7*7)+(6*5)+(5*2)+(4*2)+(3*8)+(2*9)+(1*0)=195
195 % 10 = 5
So 775228-90-5 is a valid CAS Registry Number.