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W326305

L-Cysteine

Name: <SC>L</SC>-Cysteine
Brand: ALDRICH

≥97%, FG

Synonym(s):

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

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About This Item

Linear Formula:

HSCH₂CH(NH₂)CO₂H

CAS Number:

52-90-4

Molecular Weight:

121.16

FEMA Number:

3263

UNSPSC Code:

12164502

eCl@ss:

32160406

PubChem Substance ID:

24901592

Flavis number:

17.033

EC Number:

200-158-2

NACRES:

NA.21

MDL number:

MFCD00064306

Beilstein/REAXYS Number:

1721408

Organoleptic:

sulfurous

Grade:

FG, Halal

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Properties

Quality Level

300

grade

FG, Halal

reg. compliance

EU Regulation 1334/2008 & 872/2012, FDA 21 CFR 172.320, FDA 21 CFR 184.1271

assay

≥97%

optical activity

[α]26/D +8.0 to +9.5°, c = 2 in 5 M HCl

mp

240 °C (dec.) (lit.)

solubility

H₂O: 25 mg/mL

application(s)

flavors and fragrances

documentation

see Safety & Documentation for available documents

organoleptic

sulfurous

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

Description

General description

L-cysteine is a sulfur-containing amino acid. It can undergo Maillard reaction with reducing sugars to form volatile meat flavored compounds.

Biochem/physiol Actions

NMDA glutamatergic receptor agonist.

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Storage Class

13 - Non Combustible Solids

wgk

WGK 1

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Articles

Dietary Antioxidants

Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.