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2D Structure
Also known as: Sw5kmq68kn, 213531-97-6, Copper cu 64-atsm, 64cu-atsm, Unii-sw5kmq68kn, Atsm copper cu-64
Molecular Formula
C8H14CuN6S2
Molecular Weight
322.3  g/mol
InChI Key
SBHDKYTVDCRMOE-NLRRAJSESA-L
FDA UNII
SW5KMQ68KN

Copper Cu 64-ATSM is a radioconjugate consisting of a lipophilic copper(II)bis(thiosemicarbazone) labeled with the positron- and beta-emitting isotope (64)Cu with hypoxia-selective and antineoplastic activities. With a high membrane permeability and redox potential, copper Cu 64-ATSM is preferentially taken up by hypoxic cells compared to normoxic cells; the extent of retention in tissue is inversely related to the state of tissue oxygenation allowing the quantitation of tissue hypoxia by positron emission tomography (PET). In addition, the radioactive copper moiety of this agent may deliver a selective cytotoxic dose of beta radiation to hypoxic tumor cells.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
copper-64(2+);N'-methyl-N-[(E)-[(3E)-3-[(N-methyl-C-sulfidocarbonimidoyl)hydrazinylidene]butan-2-ylidene]amino]carbamimidothioate
2.1.2 InChI
InChI=1S/C8H16N6S2.Cu/c1-5(11-13-7(15)9-3)6(2)12-14-8(16)10-4;/h1-4H3,(H2,9,13,15)(H2,10,14,16);/q;+2/p-2/b11-5+,12-6+;/i;1+0
2.1.3 InChI Key
SBHDKYTVDCRMOE-NLRRAJSESA-L
2.1.4 Canonical SMILES
CC(=NNC(=NC)[S-])C(=NNC(=NC)[S-])C.[Cu+2]
2.1.5 Isomeric SMILES
C/C(=N\NC(=NC)[S-])/C(=N/NC(=NC)[S-])/C.[64Cu+2]
2.2 Other Identifiers
2.2.1 UNII
SW5KMQ68KN
2.3 Synonyms
2.3.1 Depositor-Supplied Synonyms

1. Sw5kmq68kn

2. 213531-97-6

3. Copper Cu 64-atsm

4. 64cu-atsm

5. Unii-sw5kmq68kn

6. Atsm Copper Cu-64

7. Atsm Copper (ii) Cu-64

8. 64cu Diacetylbis(n4-methylthiosemicarbazone)

9. Copper-64cu, ((2,2'-(1,2-dimethyl-1,2-ethanediylidene)bis(n-methylhydrazinecarbothioamidato-.kappa.n2,.kappa.s))(2-))-, (sp-4-2)-

2.4 Create Date
2015-04-18
3 Chemical and Physical Properties
Molecular Weight 322.3 g/mol
Molecular Formula C8H14CuN6S2
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count6
Rotatable Bond Count5
Exact Mass322.001901 g/mol
Monoisotopic Mass322.001901 g/mol
Topological Polar Surface Area75.5 Ų
Heavy Atom Count17
Formal Charge0
Complexity310
Isotope Atom Count1
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count2
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2