Skip to Content
MilliporeSigma
All Photos(5)

Key Documents

View All Documentation

C4418

Sigma-Aldrich

L-Cysteinesulfinic acid monohydrate

Synonym(s):

3-Sulfinoalanine

Sign Into View Organizational & Contract Pricing
All Photos(5)

About This Item

Empirical Formula (Hill Notation):
C3H7NO4S · H2O
CAS Number:
207121-48-0
Molecular Weight:
171.17
MDL number:
MFCD00044889
UNSPSC Code:
12352209
PubChem Substance ID:
24278312
NACRES:
NA.32

form

powder

Quality Level

200

storage temp.

−20°C

SMILES string

NC(CS(O)=O)C(O)=O

InChI

1S/C3H7NO4S/c4-2(3(5)6)1-9(7)8/h2H,1,4H2,(H,5,6)(H,7,8)

InChI key

ADVPTQAUNPRNPO-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

L-Cysteinesulfinic acid monohydrate has been used in the fluorescence measurement of cysteine oxidation.

Biochem/physiol Actions

Cysteinesulfinic acid (CSA), also called 3-sulfinoalanine is synthesized by the conversion of sulfur to sulfinic acid in cysteine by the enzyme cysteine dioxygenase (CDO). CSA is a putative excitatory amino acid (EAA) with neurotransmitter functionality. It also regulates cardiovascular functions.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Oxidation of hypotaurine and cysteine sulphinic acid by peroxynitrite
Fontana M, et al.
The Biochemical Journal, 389(1), 233-240 (2005)
Cysteine sulphinate (CSA) as an excitatory amino acid transmitter candidate in the mammalian central nervous system.
R Griffiths
Progress in neurobiology, 35(4), 313-323 (1990-01-01)
Cardiovascular actions of L-cysteine and L-cysteine sulfinic acid in the nucleus tractus solitarius of the rat
Takemoto Y
Amino Acids, 46(7), 1707-1713 (2014)
N-acetyl cysteine functions as a fast-acting antioxidant by triggering intracellular H2S and sulfane sulfur production
Ezericna D, et al.
Cell Chemical Biology, 25(4), 447-459 (2018)
Cysteine dioxygenase: a robust system for regulation of cellular cysteine levels
Stipanuk MH, et al.
Amino Acids, 37(1), 55-55 (2009)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service