137793-81-8 Usage
Definition
ChEBI: A dimeric isoquinoline alkaloid isolated from Ancistrocladus abbreviatus and has been shown to exhibit anti-HIV activity.
Check Digit Verification of cas no
The CAS Registry Mumber 137793-81-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,9 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 137793-81:
(8*1)+(7*3)+(6*7)+(5*7)+(4*9)+(3*3)+(2*8)+(1*1)=168
168 % 10 = 8
So 137793-81-8 is a valid CAS Registry Number.
InChI:InChI=1/C46H48N2O8/c1-19-9-25-27(41-31-13-21(3)47-23(5)39(31)33(49)17-35(41)51)15-29(45(53)43(25)37(11-19)55-7)30-16-28(26-10-20(2)12-38(56-8)44(26)46(30)54)42-32-14-22(4)48-24(6)40(32)34(50)18-36(42)52/h9-12,15-18,21-24,47-54H,13-14H2,1-8H3/t21-,22-,23-,24-/m1/s1