L-Cysteine

ALDRICH/168149 - 97%

Synonym: (R)-2-Amino-3-mercaptopropionic acid

CAS Number: 52-90-4
Empirical Formula (Hill Notation): C₃H₇NO₂S
Molecular Weight: 121.16
EC Number: 200-158-2
MDL Number: MFCD00064306
Linear Formula: HSCH₂CH(NH₂)CO₂H
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-168149-2.5G	2.5 g	$32.20 1/EA	Add To Favorites
45-168149-25G	25 g	$36.10 1/EA	Add To Favorites
45-168149-100G	100 g	$89.10 1/EA	Add To Favorites
45-168149-500G	500 g	$423.00 1/EA	Add To Favorites
45-168149-2.5KG	2.5 kg	$1560.00 1/EA	Add To Favorites

ATR-IR Spectra for (R)-2-Amino-3-mercaptopropionic acid.

This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 168149-100G

Properties
Descriptions
Safety Info.
Basic Data

application(s)	peptide synthesis
assay	97%
form	solid
InChI	1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
InChI key	XUJNEKJLAYXESH-REOHCLBHSA-N
mp	240 °C (dec.) (lit.)
optical activity	[α]20/D +6.5±1.5°, c = 2 in 5 M HCl
optical purity	ee: 96% (GLC)
Quality Level	200
reaction suitability	reaction type: solution phase peptide synthesis
SMILES string	N[C@@H](CS)C(O)=O
solubility	hydrochloric acid: 5% in 1N, clear, colorless

Application:	L-cysteine can be used as a cysteine source to prepare L-cysteine functionalized gold nanoparticles for use as probes in the colorimetric detection of Hg²⁺ in aqueous solution.
Biochem/physiol Actions:	NMDA glutamatergic receptor agonist.
General description:	L-cysteine is a sulfur-containing non-essential amino acid. Its ability to reduce colitis symptoms is being assessed for potential use in treating inflammatory bowel disease (IBD).
General description:	Naturally occurring non-essential amino acid.
Packaging:	2.5 g in glass bottle
Packaging:	2.5 kg in poly bottle
Packaging:	25, 100, 500 g in poly bottle

Hazard Codes	Xn
Risk Statements	22
RIDADR	NONH for all modes of transport
WGK Germany	WGK 1

Purity	97%
mp	240 °C (dec.) (lit.)
UNSPSC	12352209

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