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Substance Name: Technetium Tc 99m etarfolatide [USAN]
RN: 479410-20-3
UNII: WVU7R99FQ6
InChIKey: IDFGFAAIUBPTLX-LZVBVRJLSA-K

Classification Code

  • Diagnostic Imaging Agent

Molecular Formula

  • C29-H32-N11-O12-S-Tc

Molecular Weight

  • 856.6009
 
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Names and Synonyms

Name of Substance

  • Technetium (99mTc) etarfolatide [INN]
  • Technetium Tc 99m etarfolatide [USAN]

Synonyms

  • EC20
  • FolateScan
  • Tc 99m EC20
  • Technetium (99mTc) etarfolatide
  • Technetium Tc 99m EC 20
  • Technetium Tc 99m etarfolatide
  • Trihydrogen (SP-5-24)-(N-(4-(((2-amino-4-oxo-1,4-dihydropteridin-6-yl)methyl) amino)benzoyl)-D-gamma-glutamyl-(2S)-2-(amino-kappaN)-beta-alanyl-L-alpha-aspartyl-kappaN-L-cysteinato(6-)-kappaN,kappaS)oxo((sup 99m)Tc)technetate(3-)
  • UNII-WVU7R99FQ6

Systematic Name

  • Technetate(3-)-(sup 99)Tc, (N-(4-(((2-amino-1,4-dihydro-4-oxo-6-pteridinyl)methyl)amino) benzoyl)-D-gamma-glutamyl-(2S)-2-(amino-kappaN)-beta-alanyl-L-alpha-aspartyl-kappaN-L-cysteinato(6-)-kappaN,kappaS)oxo-, hydrogen (1:3), (SP-5-24)-

Registry Numbers

CAS Registry Number

  • 479410-20-3

FDA UNII

  • WVU7R99FQ6

System Generated Number

  • 0479410203

Structure Descriptors

InChI

1S/C29H34N11O11S.O.Tc/c30-15(24(45)37-17(7-20(42)43)25(46)38-18(11-52)28(50)51)10-33-19(41)6-5-16(27(48)49)36-23(44)12-1-3-13(4-2-12)32-8-14-9-34-22-21(35-14)26(47)40-29(31)39-22;;/h1-4,9,15-18,30H,5-8,10-11H2,(H12,31,32,33,34,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52);;/q-1;;+4/p-3/t15-,16+,17-,18-;;/m0../s1

InChIKey

IDFGFAAIUBPTLX-LZVBVRJLSA-K

Smiles

c1cc(ccc1C(=O)N[C@H](CCC(=O)NC[C@H]2C(=O)N3[C@H](C(=O)N4[Tc]3(=O)(N2)SC[C@H]4C(=O)O)CC(=O)O)C(=O)O)NCc5cnc6c(n5)c(=O)nc([nH]6)N