139241 <common-name>Flotufolastat F-18</common-name> <description nil="true"/> <cas>2639294-14-5</cas> <pubchem-id nil="true"/> <chemical-formula>C63H99FN12O25Si</chemical-formula> <weight nil="true"/> <appearance nil="true"/> <melting-point nil="true"/> <boiling-point nil="true"/> <density nil="true"/> <solubility nil="true"/> <specific-gravity nil="true"/> <flash-point nil="true"/> <vapour-pressure nil="true"/> <route-of-exposure nil="true"/> <target nil="true"/> <mechanism-of-toxicity nil="true"/> <metabolism nil="true"/> <toxicity nil="true"/> <lethaldose nil="true"/> <carcinogenicity nil="true"/> <use-source nil="true"/> <min-risk-level nil="true"/> <health-effects nil="true"/> <symptoms nil="true"/> <treatment nil="true"/> <created-at type="dateTime">2026-04-14T21:46:00Z</created-at> <updated-at type="dateTime">2026-05-14T20:05:09Z</updated-at> <interacting-proteins nil="true"/> <wikipedia nil="true"/> <uniprot-id nil="true"/> <kegg-compound-id nil="true"/> <omim-id nil="true"/> <chebi-id nil="true"/> <biocyc-id nil="true"/> <ctd-id nil="true"/> <stitch-id nil="true"/> <drugbank-id>DB17851</drugbank-id> <pdb-id nil="true"/> <actor-id nil="true"/> <organism nil="true"/> <export type="boolean">true</export> <metabolizing-proteins nil="true"/> <transporting-proteins nil="true"/> <moldb-smiles>CC(C)(C)[Si]([18F])(C1=CC=C(C=C1)C(=O)NC[C@@H](NC(=O)CC[C@H](N1CCN(CC(O)=O)CCN(CC(O)=O)CCN(CC(O)=O)CC1)C(O)=O)C(=O)N[C@H](CCCCNC(=O)CCC(=O)NCCC[C@@H](NC(=O)CC[C@H](NC(=O)N[C@@H](CCC(O)=O)C(O)=O)C(O)=O)C(O)=O)C(O)=O)C(C)(C)C</moldb-smiles> <moldb-formula>C63H99FN12O25Si</moldb-formula> <moldb-inchi>InChI=1S/C63H99FN12O25Si/c1-62(2,3)102(64,63(4,5)6)39-14-12-38(13-15-39)54(89)67-34-44(69-49(80)20-18-45(60(99)100)76-32-30-74(36-52(85)86)28-26-73(35-51(83)84)27-29-75(31-33-76)37-53(87)88)55(90)70-41(57(93)94)10-7-8-24-65-46(77)21-22-47(78)66-25-9-11-40(56(91)92)68-48(79)19-16-42(58(95)96)71-61(101)72-43(59(97)98)17-23-50(81)82/h12-15,40-45H,7-11,16-37H2,1-6H3,(H,65,77)(H,66,78)(H,67,89)(H,68,79)(H,69,80)(H,70,90)(H,81,82)(H,83,84)(H,85,86)(H,87,88)(H,91,92)(H,93,94)(H,95,96)(H,97,98)(H,99,100)(H2,71,72,101)/t40-,41-,42+,43+,44-,45+/m1/s1/i64-1</moldb-inchi> <moldb-inchikey>QMGJNAVROCDAIW-MQNQVPOESA-N</moldb-inchikey> <moldb-average-mass type="decimal">1470.63</moldb-average-mass> <moldb-mono-mass type="decimal">1469.662295938</moldb-mono-mass> <origin nil="true"/> <state nil="true"/> <logp>-4.1</logp> <hmdb-id nil="true"/> <chembl-id nil="true"/> <chemspider-id nil="true"/> <structure-image-file-name nil="true"/> <structure-image-content-type nil="true"/> <structure-image-file-size type="integer" nil="true"/> <structure-image-updated-at type="dateTime" nil="true"/> <biodb-id nil="true"/> <synthesis-reference nil="true"/> <structure-image-caption nil="true"/> <chemdb-id>CHEM135134</chemdb-id> <dsstox-id nil="true"/> <toxcast-id nil="true"/> <stoff-ident-origin nil="true"/> <stoff-ident-id nil="true"/> <susdat-id nil="true"/> <iupac>(2S)-2-({[(1S)-1-carboxy-3-{[(1R)-1-carboxy-4-(3-{[(5R)-5-carboxy-5-[(2R)-2-[(4S)-4-carboxy-4-[4,7,10-tris(carboxymethyl)-1,4,7,10-tetraazacyclododecan-1-yl]butanamido]-3-({4-[di-tert-butyl((18F)fluoro)silyl]phenyl}formamido)propanamido]pentyl]carbamoyl}propanamido)butyl]carbamoyl}propyl]carbamoyl}amino)pentanedioic acid</iupac> <moldb-polar-surface-area nil="true"/> <moldb-refractivity nil="true"/> <moldb-polarizability nil="true"/> <moldb-rotatable-bond-count nil="true"/> <moldb-acceptor-count nil="true"/> <moldb-donor-count nil="true"/> <moldb-pka-strongest-acidic nil="true"/> <moldb-pka-strongest-basic nil="true"/> <moldb-physiological-charge nil="true"/> <moldb-number-of-rings nil="true"/> <moldb-alogps-logp nil="true"/> <moldb-alogps-logs nil="true"/> <moldb-alogps-solubility nil="true"/> </compound>