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About This Item
Linear Formula:
HSCH2CH(NH2)CO2H
CAS Number:
Molecular Weight:
121.16
Beilstein:
1721408
EC Number:
MDL number:
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
NACRES:
NA.22
Product Name
L-Cysteine, 97%
Quality Level
Assay
97%
form
solid
optical activity
[α]20/D +6.5±1.5°, c = 2 in 5 M HCl
optical purity
ee: 96% (GLC)
reaction suitability
reaction type: solution phase peptide synthesis
mp
240 °C (dec.) (lit.)
solubility
hydrochloric acid: 5% in 1N, clear, colorless
application(s)
peptide synthesis
SMILES string
N[C@@H](CS)C(O)=O
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
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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).
Naturally occurring non-essential amino acid.
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.
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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