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W326305

L-Cysteine

≥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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Quality Segment

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

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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