20723-84-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20723-84-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,2 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20723-84:
(7*2)+(6*0)+(5*7)+(4*2)+(3*3)+(2*8)+(1*4)=86
86 % 10 = 6
So 20723-84-6 is a valid CAS Registry Number.
InChI:InChI=1/C23H22O3/c1-3-20(23(24)26-22-12-8-7-11-21(22)25-2)19-15-13-18(14-16-19)17-9-5-4-6-10-17/h4-16,20H,3H2,1-2H3