Thiotaurine

Thiotaurine
Names
	IUPAC name 2-Aminoethanethiosulfonic acid
Identifiers
CAS Number	2937-54-4 ;
3D model (JSmol)	Interactive image ;
ChemSpider	5257314 ;
ECHA InfoCard	100.019.017
EC Number	220-918-7;
MeSH	C051160
PubChem CID	6858023 ;
UNII	NQZ2D7AO62 ;
CompTox Dashboard (EPA)	DTXSID10863062 DTXSID20183602, DTXSID10863062 ;
	InChI InChI=1S/C2H7NO2S2/c3-1-2-7(4,5)6/h1-3H2,(H,4,5,6) Key: SHWIJIJNPFXOFS-UHFFFAOYSA-N; InChI=1/C2H7NO2S2/c3-1-2-7(4,5)6/h1-3H2,(H,4,5,6) Key: SHWIJIJNPFXOFS-UHFFFAOYAT;
	SMILES C(CS(=O)(=S)O)N;
Properties
Chemical formula	C2H7NO2S2
Molar mass	141.20 g·mol−1
Melting point	213-214 °C
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Last updated June 08, 2025

Thiotaurine is a bioactive analog of taurine.^[1] It is used as a moisturizer and antioxidant in some cosmetic products.^[2]

Preparation

Thiotaurine is made by transsulfuration of thiocysteine and hypotaurine.^[3]

References

↑ Mathew, E; Barletta, MA; Lau-Cam, CA (2013). "The Effects of Taurine and Thiotaurine on Oxidative Stress in the Aorta and Heart of Diabetic Rats". Taurine 8. Advances in Experimental Medicine and Biology. Vol. 775. pp. 345–69. doi:10.1007/978-1-4614-6130-2_28. ISBN 978-1-4614-6129-6. PMID 23392947.
↑ PubChem. "Thiotaurine". pubchem.ncbi.nlm.nih.gov. Retrieved 2022-04-25.
↑ Baseggio Conrado, Alessia; Capuozzo, Elisabetta; Mosca, Luciana; Francioso, Antonio; Fontana, Mario (2019), Hu, Jianmin; Piao, Fengyuan; Schaffer, Stephen W.; El Idrissi, Abdeslem (eds.), "Thiotaurine: From Chemical and Biological Properties to Role in H2S Signaling" , Taurine 11, vol. 1155, Singapore: Springer Singapore, pp. 755–771, doi:10.1007/978-981-13-8023-5_66, ISBN 978-981-13-8022-8, PMID 31468446, S2CID 201675446 , retrieved 2022-04-25

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[1] Mathew, E; Barletta, MA; Lau-Cam, CA (2013). "The Effects of Taurine and Thiotaurine on Oxidative Stress in the Aorta and Heart of Diabetic Rats". Taurine 8. Advances in Experimental Medicine and Biology. Vol. 775. pp. 345–69. doi:10.1007/978-1-4614-6130-2_28. ISBN 978-1-4614-6129-6. PMID 23392947.

[2] PubChem. "Thiotaurine". pubchem.ncbi.nlm.nih.gov. Retrieved 2022-04-25.

[3] Baseggio Conrado, Alessia; Capuozzo, Elisabetta; Mosca, Luciana; Francioso, Antonio; Fontana, Mario (2019), Hu, Jianmin; Piao, Fengyuan; Schaffer, Stephen W.; El Idrissi, Abdeslem (eds.), "Thiotaurine: From Chemical and Biological Properties to Role in H2S Signaling" , Taurine 11, vol. 1155, Singapore: Springer Singapore, pp. 755–771, doi:10.1007/978-981-13-8023-5_66, ISBN 978-981-13-8022-8, PMID 31468446, S2CID 201675446 , retrieved 2022-04-25

[1]

[2]

[3]

Names

IUPAC name 2-Aminoethanethiosulfonic acid
Identifiers
CAS Number	2937-54-4 ^Y
3D model (JSmol)	Interactive image
ChemSpider	5257314
ECHA InfoCard	100.019.017
EC Number	220-918-7
MeSH	C051160
PubChem CID	6858023
UNII	NQZ2D7AO62 ^Y
CompTox Dashboard (EPA)	DTXSID10863062 DTXSID20183602, DTXSID10863062
InChI InChI=1S/C2H7NO2S2/c3-1-2-7(4,5)6/h1-3H2,(H,4,5,6) Key: SHWIJIJNPFXOFS-UHFFFAOYSA-N InChI=1/C2H7NO2S2/c3-1-2-7(4,5)6/h1-3H2,(H,4,5,6) Key: SHWIJIJNPFXOFS-UHFFFAOYAT
SMILES C(CS(=O)(=S)O)N
Properties
Chemical formula	C₂H₇NO₂S₂
Molar mass	141.20 g·mol⁻¹
Melting point	213-214 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references