Skip to Content
Merck
All Photos(3)

Key Documents

C2526

Sigma-Aldrich

L-Cystine dihydrochloride

≥98% (TLC), suitable for cell culture

Synonym(s):

Cystine dihydrochloride

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C6H12N2O4S2 · 2HCl
CAS Number:
Molecular Weight:
313.22
EC Number:
MDL number:
UNSPSC Code:
12352209
PubChem Substance ID:
NACRES:
NA.26

product name

L-Cystine dihydrochloride, ≥98% (TLC)

Assay

≥98% (TLC)

form

powder or crystals

technique(s)

cell culture | mammalian: suitable

color

white to off-white

mp

≥211.36 °C

SMILES string

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

InChI

1S/C6H12N2O4S2.2ClH/c7-3(5(9)10)1-13-14-2-4(8)6(11)12;;/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12);2*1H/t3-,4-;;/m0../s1

InChI key

HHGZUQPEIHGQST-RGVONZFCSA-N

Looking for similar products? Visit Product Comparison Guide

Biochem/physiol Actions

L-Cystine is a natural proteinogenic amino acid sulfide dimer of L-cysteine. L-cystine is used as a cell culture supplement. L-cystine is also used to characterize and identify specific amino acid transport systems in cells such as system system Xc(─) .

Caution

hygroscopic; handle in <30% humidity

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service