67314-98-1 Usage
Definition
ChEBI: A benzofuropyranochromene that is 3H,7H-[1]benzofuro[3,2-c]pyrano[3,2-g]chromene substituted at positions 7a and 10 by hydroxy groups and at position 3 by a gem-dimethyl group.
Check Digit Verification of cas no
The CAS Registry Mumber 67314-98-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,3,1 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67314-98:
(7*6)+(6*7)+(5*3)+(4*1)+(3*4)+(2*9)+(1*8)=141
141 % 10 = 1
So 67314-98-1 is a valid CAS Registry Number.
InChI:InChI=1/C20H18O5/c1-19(2)6-5-11-7-13-16(9-15(11)25-19)23-10-20(22)14-4-3-12(21)8-17(14)24-18(13)20/h3-9,18,21-22H,10H2,1-2H3/t18-,20+/m0/s1