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2D Structure
Also known as: Neotect, Technetium tc 99m depreotide, Technetium tc-99m depreotide, 9m48m2sf02, 174900-52-8, Unii-9m48m2sf02
Molecular Formula
C65H96N16O12S2Tc
Molecular Weight
1454.6  g/mol
InChI Key
MCEOYGQHDKBYFT-KTABZWLNSA-N
FDA UNII
9M48M2SF02

Technetium tc-99m depreotide is a Radioactive Diagnostic Agent. The mechanism of action of technetium tc-99m depreotide is as a Radiopharmaceutical Activity.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(2S)-6-amino-2-[[(2R)-2-[[(2S)-6-amino-2-[[(2S)-2-amino-3-[[2-[2-[(2S,5S,8S,11R,14S,17S)-14-(4-aminobutyl)-5-benzyl-8-[(4-hydroxyphenyl)methyl]-11-(1H-indol-3-ylmethyl)-4-methyl-3,6,9,12,15,18-hexaoxo-17-propan-2-yl-1,4,7,10,13,16-hexazacyclooctadec-2-yl]ethylsulfanyl]acetyl]amino]propanoyl]amino]hexanoyl]amino]-3-sulfanylpropanoyl]amino]hexanamide;technetium
2.1.2 InChI
InChI=1S/C65H96N16O12S2.Tc/c1-38(2)55-64(92)76-49(26-30-95-37-54(83)72-35-44(69)57(85)74-47(20-10-13-28-67)58(86)79-52(36-94)62(90)73-46(56(70)84)19-9-12-27-66)65(93)81(3)53(32-39-15-5-4-6-16-39)63(91)78-50(31-40-22-24-42(82)25-23-40)60(88)77-51(33-41-34-71-45-18-8-7-17-43(41)45)61(89)75-48(59(87)80-55)21-11-14-29-68;/h4-8,15-18,22-25,34,38,44,46-53,55,71,82,94H,9-14,19-21,26-33,35-37,66-69H2,1-3H3,(H2,70,84)(H,72,83)(H,73,90)(H,74,85)(H,75,89)(H,76,92)(H,77,88)(H,78,91)(H,79,86)(H,80,87);/t44-,46-,47-,48-,49-,50-,51+,52-,53-,55-;/m0./s1
2.1.3 InChI Key
MCEOYGQHDKBYFT-KTABZWLNSA-N
2.1.4 Canonical SMILES
CC(C)C1C(=O)NC(C(=O)N(C(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)N1)CCCCN)CC2=CNC3=CC=CC=C32)CC4=CC=C(C=C4)O)CC5=CC=CC=C5)C)CCSCC(=O)NCC(C(=O)NC(CCCCN)C(=O)NC(CS)C(=O)NC(CCCCN)C(=O)N)N.[Tc]
2.1.5 Isomeric SMILES
CC(C)[C@H]1C(=O)N[C@H](C(=O)N([C@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N[C@H](C(=O)N1)CCCCN)CC2=CNC3=CC=CC=C32)CC4=CC=C(C=C4)O)CC5=CC=CC=C5)C)CCSCC(=O)NC[C@@H](C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CS)C(=O)N[C@@H](CCCCN)C(=O)N)N.[Tc]
2.2 Other Identifiers
2.2.1 UNII
9M48M2SF02
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Neotec

2. Tc-99m Depreotide

3. Technetium Tc 99m Depreotide

2.3.2 Depositor-Supplied Synonyms

1. Neotect

2. Technetium Tc 99m Depreotide

3. Technetium Tc-99m Depreotide

4. 9m48m2sf02

5. 174900-52-8

6. Unii-9m48m2sf02

7. Neotec

8. Tc-99m Depreotide

9. Technetium Tc 99m Depreotide [who-dd]

10. Technetium Tc 99m Depreotide [usp Impurity]

11. Technetium Tc-99m Depreotide [orange Book]

12. Q27272728

13. Technetium-99tc, (cyclo(l-homocysteinyl-n-methyl-l-phenylalanyl-l-tyrosyl-d-tryptophyl-l-lysyl-l-valyl) (1-1')-thioether With 3-((mercaptoacetyl)amino)-l-alanyl-l-lysyl-l-cysteinyl-l-lysinamidato(3-))oxo-, (sp-5-24)-

14. Technetium-99tc, (cyclo(l-homocysteinyl-n-methyl-l-phenylalanyl-l-tyrosyl-d-tryptophyl-l-lysyl-l-valyl)(1-1')-sulfide With 3-((mercaptoacetyl)amino)-l-alanyl-l-lysyl-l-cysteinyl-l-lysinamidato(3-))oxo-, (sp-5-24)-

2.4 Create Date
2014-03-02
3 Chemical and Physical Properties
Molecular Weight 1454.6 g/mol
Molecular Formula C65H96N16O12S2Tc
Hydrogen Bond Donor Count17
Hydrogen Bond Acceptor Count18
Rotatable Bond Count34
Exact Mass1453.58987 g/mol
Monoisotopic Mass1453.58987 g/mol
Topological Polar Surface Area492 Ų
Heavy Atom Count96
Formal Charge0
Complexity2490
Isotope Atom Count0
Defined Atom Stereocenter Count10
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2
4 Drug and Medication Information
4.1 Drug Indication

This medicinal product is for diagnostic use only.

For scintigraphic imaging of suspected malignant tumours in the lung after initial detection, in

combination with CT scan or chest X-ray, in patients with solitary pulmonary nodules.


5 Pharmacology and Biochemistry
5.1 FDA Pharmacological Classification
5.1.1 Active Moiety
TECHNETIUM TC-99M DEPREOTIDE
5.1.2 FDA UNII
9M48M2SF02
5.1.3 Pharmacological Classes
Mechanisms of Action [MoA] - Radiopharmaceutical Activity
5.2 ATC Code

V09IA05