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8.16014

Sigma-Aldrich

(R)-(+)-Cysteine

for synthesis

Synonym(s):

(R)-(+)-Cysteine, α-Amino-ß-mercapto propionic acid, αlpha-Amino-ß-mercapto propionic acid, Cys, αlpha-Amino-beta-mercapto propionic acid

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About This Item

Empirical Formula (Hill Notation):
C3H7NO2S
CAS Number:
Molecular Weight:
121.16
MDL number:
UNSPSC Code:
12352209
EC Index Number:
200-158-2

Quality Level

form

solid

autoignition temp.

420 °C

potency

1890 mg/kg LD50, oral (Rat)

pH

4.5-5.5 (20 °C, 100 g/L in H2O)

mp

220-228 °C

bulk density

300 kg/m3

storage temp.

2-30°C

InChI

1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)

InChI key

XUJNEKJLAYXESH-UHFFFAOYSA-N

Related Categories

Analysis Note

Assay (HClO₄): ≥ 98.0 %
Spec. rotation [α²0/D (c=8 in HCl 1 mol/l): +8.0 - +9.5 °
Identity (IR): passes test

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1


Certificates of Analysis (COA)

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