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2D Structure
Also known as: Ethidium chloride, 602-52-8, Novidium chloride, 3,8-diamino-5-ethyl-6-phenylphenanthridinium chloride, Nsc-84423, 7xpk80d0xv
Molecular Formula
C21H20ClN3
Molecular Weight
349.9  g/mol
InChI Key
BITVSRNAFFZUFW-UHFFFAOYSA-N
FDA UNII
7XPK80D0XV

Homidium Chloride is the chloride salt of ethidium (a fluorochrome), Ethidium Chloride intercalates within double-stranded nucleic acids, particularly DNA. In molecular biology, the bromide salt of ethidium is used to detect and visualize DNA after electrophoresis or in cytochemical preparations. In veterinary pharmacology, it is used as a trypanosomicide. Ethidium bromide and chloride are toxic substances and potent noncompetitive antagonists of the nicotinic acetylcholine receptor. (NCI04)
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
5-ethyl-6-phenylphenanthridin-5-ium-3,8-diamine chloride
2.1.2 InChI
InChI=1S/C21H19N3.ClH/c1-2-24-20-13-16(23)9-11-18(20)17-10-8-15(22)12-19(17)21(24)14-6-4-3-5-7-14;/h3-13,23H,2,22H2,1H3;1H
2.1.3 InChI Key
BITVSRNAFFZUFW-UHFFFAOYSA-N
2.2 Other Identifiers
2.2.1 UNII
7XPK80D0XV
2.3 Synonyms
2.3.1 MeSH Synonyms

1. 3,8-diamino-5-ethyl-6-phenylphenanthridinium Chloride

2.3.2 Depositor-Supplied Synonyms

1. Ethidium Chloride

2. 602-52-8

3. Novidium Chloride

4. 3,8-diamino-5-ethyl-6-phenylphenanthridinium Chloride

5. Nsc-84423

6. 7xpk80d0xv

7. 2,7-diamino-9-phenyl-10-ethylphenanthridinium Chloride

8. Nsc-522843

9. Nsc84423

10. Nsc522843

11. Refchem:923037

12. 210-018-2

13. Babidium Chloride

14. 5-ethyl-6-phenylphenanthridin-5-ium-3,8-diamine;chloride

15. 3,8-diamino-5-ethyl-6-phenylphenanthridin-5-ium Chloride

16. Wln: T B666 Hkj Ez H2 Ir& Lz &q &g

17. Einecs 210-018-2

18. Phenanthridinium,8-diamino-5-ethyl-6-phenyl Chloride

19. Unii-7xpk80d0xv

20. Nsc 522843

21. Phenanthridinium,8-diamino-5-ethyl-6-phenyl-, Chloride

22. Phenanthridinium, 3,8-diamino-5-ethyl-6-phenyl Chloride

23. Phenanthridinium, 3,8-diamino-5-ethyl-6-phenyl-, Chloride

24. Ethidium Chloride (et)

25. Chembl27580

26. Schembl612343

27. Orb1740456

28. Dtxsid5037078

29. Ns00080368

30. Q27268986

31. 2,7-diamino-10-ethyl-9-phenylphenanthridinium Chloride

32. 3,8-diamino-5-ethyl-6-phenylphenanthridin-5-iumchloride

2.4 Create Date
2005-08-08
3 Chemical and Physical Properties
Molecular Weight 349.9 g/mol
Molecular Formula C21H20ClN3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count3
Rotatable Bond Count2
Exact Mass Da
Monoisotopic Mass Da
Topological Polar Surface Area55.9
Heavy Atom Count25
Formal Charge0
Complexity419
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2
4 Pharmacology and Biochemistry
4.1 MeSH Pharmacological Classification

Trypanocidal Agents

Agents destructive to the protozoal organisms belonging to the suborder TRYPANOSOMATINA.