302355-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 302355-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,2,3,5 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 302355-90:
(8*3)+(7*0)+(6*2)+(5*3)+(4*5)+(3*5)+(2*9)+(1*0)=104
104 % 10 = 4
So 302355-90-4 is a valid CAS Registry Number.