U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ABSOLUTE
Molecular Formula C79H117N25O18.Pb
Molecular Weight 1918.9387
Optical Activity UNSPECIFIED
Defined Stereocenters 8 / 8
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of Lead Lapemelanotide Zapixetan Pb-212

SMILES

[212PbH2++].CCCC[C@H](NC(C)=O)C(=O)N[C@H]1CC2=CN(CCCC[C@H](NC(=O)[C@H](CC3=CNC4=C3C=CC=C4)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@@H](CC5=CC=CC=C5)NC(=O)[C@H](CC6=CN=CN6)NC1=O)C(=O)N[C@@H](CCCCNC(=O)COCCOCCNC(=O)CN7CCN(CC([O-])=O)CCN(CC(N)=O)CCN(CC([O-])=O)CC7)C(N)=O)N=N2

InChI

InChIKey=PROHJSAZAPFSQH-AEIQONLXSA-L
InChI=1S/C79H119N25O18.Pb.2H/c1-3-4-18-59(90-51(2)105)72(114)96-65-41-55-44-104(99-98-55)26-13-11-21-60(73(115)91-58(71(81)113)20-10-12-23-85-68(108)49-122-37-36-121-35-25-86-67(107)46-101-29-33-102(47-69(109)110)31-27-100(45-66(80)106)28-32-103(34-30-101)48-70(111)112)92-76(118)63(39-53-42-88-57-19-9-8-17-56(53)57)95-74(116)61(22-14-24-87-79(82)83)93-75(117)62(38-52-15-6-5-7-16-52)94-77(119)64(97-78(65)120)40-54-43-84-50-89-54;;;/h5-9,15-17,19,42-44,50,58-65,88H,3-4,10-14,18,20-41,45-49H2,1-2H3,(H2,80,106)(H2,81,113)(H,84,89)(H,85,108)(H,86,107)(H,90,105)(H,91,115)(H,92,118)(H,93,117)(H,94,119)(H,95,116)(H,96,114)(H,97,120)(H,109,110)(H,111,112)(H4,82,83,87);;;/q;+2;;/p-2/t58-,59-,60-,61-,62+,63-,64-,65-;;;/m0.../s1/i;1+5;;

HIDE SMILES / InChI

Molecular Formula C79H117N25O18
Molecular Weight 1704.931
Charge -2
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 8 / 8
E/Z Centers 0
Optical Activity UNSPECIFIED

Molecular Formula Pb
Molecular Weight 214.00777
Charge 2
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Approval Year

Substance Class Chemical
Created
by admin
on Wed Apr 02 12:25:47 GMT 2025
Edited
by admin
on Wed Apr 02 12:25:47 GMT 2025
Record UNII
GJE2VT7WLR
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
Lead (<sup>212</sup>Pb) Lapemelanotide Zapixetan
INN  
Preferred Name English
Lead Lapemelanotide Zapixetan Pb-212
Common Name English
lead (<sup>212</sup>Pb) lapemelanotide zapixetan [INN]
Common Name English
Code System Code Type Description
CAS
2941523-46-0
Created by admin on Wed Apr 02 12:25:47 GMT 2025 , Edited by admin on Wed Apr 02 12:25:47 GMT 2025
PRIMARY
NCI_THESAURUS
C211712
Created by admin on Wed Apr 02 12:25:47 GMT 2025 , Edited by admin on Wed Apr 02 12:25:47 GMT 2025
PRIMARY
FDA UNII
GJE2VT7WLR
Created by admin on Wed Apr 02 12:25:47 GMT 2025 , Edited by admin on Wed Apr 02 12:25:47 GMT 2025
PRIMARY
INN
13291
Created by admin on Wed Apr 02 12:25:47 GMT 2025 , Edited by admin on Wed Apr 02 12:25:47 GMT 2025
PRIMARY
Related Record Type Details
ACTIVE MOIETY
VMT01 is radiolabeled with the beta and alpha-emitting therapeutic nuclide [212Pb], which delivers localized lethal radiation causing double-stranded DNA breaks to the target cells