220497-65-4 Usage
Chemical Properties
off-white powder
Check Digit Verification of cas no
The CAS Registry Mumber 220497-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,4,9 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 220497-65:
(8*2)+(7*2)+(6*0)+(5*4)+(4*9)+(3*7)+(2*6)+(1*5)=124
124 % 10 = 4
So 220497-65-4 is a valid CAS Registry Number.
InChI:InChI=1/C21H19NO4/c23-20(24)13-9-10-14(11-13)22-21(25)26-12-19-17-7-3-1-5-15(17)16-6-2-4-8-18(16)19/h1-10,13-14,19H,11-12H2,(H,22,25)(H,23,24)/p-1/t13-,14-/m0/s1