[CAS NO. 56-89-3] L-Cystine

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PRODUCTS SPECIFICATIONS [56-89-3]

Catalog

HY-N0394

Brand

MCE

CAS

56-89-3

DESCRIPTION [56-89-3]

Overview

MDL	MFCD00064228
Molecular Weight	240.30
Molecular Formula	C6H12N2O4S2
SMILES	N[C@@H](CSSC[C@@H](C(O)=O)N)C(O)=O

For research use only. We do not sell to patients.

Summary

L-Cystine is an amino acid and intracellular thiol, which plays a critical role in the regulation of cellular processes.

IC50 & Target

Human Endogenous Metabolite

Appearance

Solid

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

Solvent & Solubility

In Vitro:

0.1 M NaOH : 5 mg/mL ( 20.81 mM ; ultrasonic and adjust pH to 9 with NaOH)

0.1 M HCL : 2.5 mg/mL ( 10.40 mM ; ultrasonic and adjust pH to 2 with HCl)

DMSO : < 1 mg/mL (insoluble or slightly soluble)

H ₂ O : < 0.1 mg/mL (insoluble)

Preparing
Stock Solutions

Concentration Solvent Mass	1 mg	5 mg	10 mg

1 mM	4.1615 mL	20.8073 mL	41.6146 mL
5 mM	0.8323 mL	4.1615 mL	8.3229 mL
10 mM	0.4161 mL	2.0807 mL	4.1615 mL

* Please refer to the solubility information to select the appropriate solvent.

References

[1] Ohtsu I, et al. Uptake of L-cystine via an ABC transporter contributes defense of oxidative stress in the L-cystine export-dependent manner in Escherichia coli. PLoS One. 2015 Apr 2;10(3):e0120619.

Synonyms

L-Cystine

Cystine, L-

Bis(β-amino-β-carboxyethyl) disulfide

Cystine acid

β,β′-Diamino-β,β′-dicarboxydiethyl disulfide

Dicysteine

3,3′-Dithiobis(2-aminopropanoic acid)

β,β′-Dithiodialanine

Cystine

L-Cysteine disulfide

Propanoic acid, 3,3′-dithiobis[2-amino-, [R-(R*,R*)]-

(-)-Cystine

L-Cystin

L-(-)-Cystine

Oxidized L-cysteine

[R-(R*,R*)]-3,3′-Dithiobis[2-aminopropanoic acid]

l-Cystine

L-Alanine, 3,3′-dithiobis-

NSC 13203