Skip to Content
Merck

C121908

L-Cysteine ethyl ester hydrochloride

98%, for peptide synthesis

Synonym(s):

(R)-Ethyl 2-amino-3-mercaptopropanoate hydrochloride, Cystanin, Ethyl L-cysteinate hydrochloride

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
HSCH2CH(NH2)COOC2H5 · HCl
CAS Number:
Molecular Weight:
185.67
NACRES:
NA.22
PubChem Substance ID:
eCl@ss:
32160406
UNSPSC Code:
12352209
EC Number:
212-779-6
MDL number:
Beilstein/REAXYS Number:
3562600
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist


Product Name

L-Cysteine ethyl ester hydrochloride, 98%

Quality Segment

assay

98%

form

powder

optical activity

[α]20/D −7.9°, c = 1 in 1 M HCl

optical purity

ee: 99% (GLC)

reaction suitability

reaction type: solution phase peptide synthesis

color

white

mp

123-125 °C (lit.)

application(s)

peptide synthesis

SMILES string

Cl[H].CCOC(=O)[C@@H](N)CS

InChI

1S/C5H11NO2S.ClH/c1-2-8-5(7)4(6)3-9;/h4,9H,2-3,6H2,1H3;1H/t4-;/m0./s1

InChI key

JFKJWWJOCJHMGV-WCCKRBBISA-N



Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)



Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library