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2D Structure
Also known as: 5746-40-7, Cysteamine-s-phosphate, Cysteamine s-phosphate, 2-aminoethylsulfanylphosphonic acid, S-(2-aminoethyl) phosphorothioate, S-phosphocysteamine
Molecular Formula
C2H8NO3PS
Molecular Weight
157.13  g/mol
InChI Key
RZPNFYXFSHGGBE-UHFFFAOYSA-N
FDA UNII
WFH6A9S0V4

Proposed as an adjuvant to cancer chemotherapy; may have radiation protective properties.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
2-aminoethylsulfanylphosphonic acid
2.1.2 InChI
InChI=1S/C2H8NO3PS/c3-1-2-8-7(4,5)6/h1-3H2,(H2,4,5,6)
2.1.3 InChI Key
RZPNFYXFSHGGBE-UHFFFAOYSA-N
2.1.4 Canonical SMILES
C(CSP(=O)(O)O)N
2.2 Other Identifiers
2.2.1 UNII
WFH6A9S0V4
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Beta Aminoethylthiophosphate, Sodium Salt

2. Beta-aminoethylthiophosphate, Sodium Salt

3. Cistafos

4. Cistaphos

5. Cystafos

6. Cystaphos

7. Salt Beta-aminoethylthiophosphate, Sodium

8. Sodium Salt Beta-aminoethylthiophosphate

9. Wr 638

10. Wr-638

11. Wr638

2.3.2 Depositor-Supplied Synonyms

1. 5746-40-7

2. Cysteamine-s-phosphate

3. Cysteamine S-phosphate

4. 2-aminoethylsulfanylphosphonic Acid

5. S-(2-aminoethyl) Phosphorothioate

6. S-phosphocysteamine

7. S-(2-aminoethyl) Dihydrogen Phosphorothioate

8. Wfh6a9s0v4

9. Ethanethiol, 2-amino-, Dihydrogen Phosphate (ester)

10. Nsc-118587

11. Ethanethiol, 2-amino-, S-ester With Phosphorothioic Acid

12. Unii-wfh6a9s0v4

13. Nsc 118587

14. Nciopen2_001142

15. Phosphocysteamine [mi]

16. Schembl1650342

17. Chebi:74951

18. Dtxsid40206069

19. Phosphocysteamine [who-dd]

20. Nsc118587

21. Akos006228066

22. 2-aminoethanethiol Dihydrogen Phosphate

23. [(2-aminoethyl)sulfanyl]phosphonic Acid

24. Thiophosphoric Acid S-(2-aminoethyl) Ester

25. Q27145033

26. Ethanethiol, 2-amino-, 1-(dihydrogen Phosphate)

2.4 Create Date
2005-03-25
3 Chemical and Physical Properties
Molecular Weight 157.13 g/mol
Molecular Formula C2H8NO3PS
XLogP3-4.4
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count3
Exact Mass156.99625129 g/mol
Monoisotopic Mass156.99625129 g/mol
Topological Polar Surface Area109 Ų
Heavy Atom Count8
Formal Charge0
Complexity102
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 MeSH Pharmacological Classification

Radiation-Protective Agents

Drugs used to protect against ionizing radiation. They are usually of interest for use in radiation therapy but have been considered for other purposes, e.g. military. (See all compounds classified as Radiation-Protective Agents.)