28930-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28930-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,3 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 28930-20:
(7*2)+(6*8)+(5*9)+(4*3)+(3*0)+(2*2)+(1*0)=123
123 % 10 = 3
So 28930-20-3 is a valid CAS Registry Number.
InChI:InChI=1/C8H10O2/c1-2-6-4-3-5-7(9)8(6)10/h3-5,9-10H,2H2,1H3