302788-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 302788-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,2,7,8 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 302788-90:
(8*3)+(7*0)+(6*2)+(5*7)+(4*8)+(3*8)+(2*9)+(1*0)=145
145 % 10 = 5
So 302788-90-5 is a valid CAS Registry Number.