155740-03-7 Usage
Definition
ChEBI: A ring assembly that is a dimer obtained by coupling between 1,5,8-trihydroxy-3-methoxy-9H-xanthen-9-one and C-glycosylated 5,7,3',4'-tetrahydroxyflavone. Isolated from Swertia franchetiana, it exhibits an
i-HIV activity.
Check Digit Verification of cas no
The CAS Registry Mumber 155740-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,7,4 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 155740-03:
(8*1)+(7*5)+(6*5)+(5*7)+(4*4)+(3*0)+(2*0)+(1*3)=127
127 % 10 = 7
So 155740-03-7 is a valid CAS Registry Number.
InChI:InChI=1/C36H28O17/c1-10(38)12-5-16(41)23-20(6-12)52-34-18(43)7-13(27(44)25(34)30(23)47)22-29(46)26(36-33(50)32(49)28(45)21(9-37)53-36)31(48)24-17(42)8-19(51-35(22)24)11-2-3-14(39)15(40)4-11/h2-8,21,28,32-33,36-37,39-41,43-46,48-50H,9H2,1H3/t21-,28-,32+,33-,36?/m1/s1