30236-28-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30236-28-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,2,3 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 30236-28:
(7*3)+(6*0)+(5*2)+(4*3)+(3*6)+(2*2)+(1*8)=73
73 % 10 = 3
So 30236-28-3 is a valid CAS Registry Number.