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Merck
CN

30095

D-Cysteine

≥99% (RT), for peptide synthesis

Synonym(s):

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

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About This Item

Linear Formula:
HSCH2CH(NH2)CO2H
CAS Number:
Molecular Weight:
121.16
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
NACRES:
NA.22
Beilstein/REAXYS Number:
1721407
MDL number:
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Product Name

D-Cysteine, ≥99% (RT)

Quality Segment

assay

≥99% (RT)

form

powder or crystals

optical activity

[α]20/D −7.6±1.0°, c = 5% in 5 M HCl

reaction suitability

reaction type: solution phase peptide synthesis

mp

~230 °C (dec.)

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-/m1/s1

InChI key

XUJNEKJLAYXESH-UWTATZPHSA-N

Application

D-Cysteine has been used in the functionalization of QDs for applications in photocatalysis.
It can also be used in the synthesis of:
  • cysteine-based chiral carbon dots (CDs)
  • D-luciferin and aminoluciferin analogs

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Unnatural isomer of cysteine.


pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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