220497-92-7 Usage
Chemical Properties
off-white to light yellow powder
Check Digit Verification of cas no
The CAS Registry Mumber 220497-92-7 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, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 220497-92:
(8*2)+(7*2)+(6*0)+(5*4)+(4*9)+(3*7)+(2*9)+(1*2)=127
127 % 10 = 7
So 220497-92-7 is a valid CAS Registry Number.
InChI:InChI=1/C20H18BrNO4/c1-12(21)10-18(19(23)24)22-20(25)26-11-17-15-8-4-2-6-13(15)14-7-3-5-9-16(14)17/h2-9,17-18H,1,10-11H2,(H,22,25)(H,23,24)/t18-/m1/s1