54874-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54874-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,8,7 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 54874-20:
(7*5)+(6*4)+(5*8)+(4*7)+(3*4)+(2*2)+(1*0)=143
143 % 10 = 3
So 54874-20-3 is a valid CAS Registry Number.
InChI:InChI=1/2C8H8O2.Zn/c2*1-6-2-4-7(5-3-6)8(9)10;/h2*2-5H,1H3,(H,9,10);/q;;+2/p-2