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L-Cystine

Name: <SC>L</SC>-Cystine
Brand: SIGMA

Synonym(s):

(R,R)-3,3′-Dithiobis(2-aminopropionic acid)

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About This Item

Linear Formula:

[-SCH₂CH(NH₂)CO₂H]₂

CAS Number:

56-89-3

Molecular Weight:

240.30

EC Number:

200-296-3

UNSPSC Code:

12352209

NACRES:

NA.26

Beilstein/REAXYS Number:

1728094

MDL number:

MFCD00064228

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Properties

biological source

non-animal source

Quality Segment

400

assay

≥98.5%

form

powder

technique(s)

cell culture | mammalian: suitable

impurities

endotoxin, tested

mp

>240 °C (dec.) (lit.)

solubility

1 M HCl: 100 mg/mL

suitability

suitable for manufacturing use

application(s)

pharmaceutical (small molecule)

SMILES string

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

InChI

1S/C6H12N2O4S2/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)/t3-,4-/m0/s1

InChI key

LEVWYRKDKASIDU-IMJSIDKUSA-N

Description

General description

Our SAFC^® portfolio of high-quality raw materials for use in biopharmaceutical processing withstands strict quality control procedures plus the documentation and expertise to help our customers meet requirements as defined by the M-Clarity Program.

M-Clarity Program

Our comprehensive portfolio of upstream process chemicals not only provides biopharmaceutical manufacturers with high-quality raw materials for production of classical and novel therapies, but also helps them get to market faster and simplify regulatory challenges. Trust us to deliver supply chain transparency and reliable sourcing around the globe, streamlining your product qualification with best-in-class regulatory support and service.

Legal Information

SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany

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1 of 1

This Item	C8755	C7602	779539
SAFC C5735 L-Cystine	Sigma-Aldrich C8755 L-Cystine	Sigma-Aldrich C7602 L-Cystine	Sigma-Aldrich 779539 L-Cystine
description -	description ≥98% (TLC), crystalline	description from non-animal source, meets EP testing specifications, suitable for cell culture, 98.5-101.0%	description Wacker Chemie AG, ≥98.5%
biological source non-animal source	biological source -	biological source non-animal source	biological source -
form powder	form crystalline	form powder	form powder
impurities endotoxin, tested	impurities -	impurities endotoxin, tested	impurities ≤0.02% ammonium, ≤10 ppm heavy metals, ≤0.2% ninhidrin positive substances (each)
assay ≥98.5%	assay ≥98% (TLC)	assay 98.5-101.0%	assay ≥98.5%
suitability suitable for manufacturing use	suitability -	suitability -	suitability clear, colorless for appearance of solution
application(s) pharmaceutical (small molecule)	application(s) cell analysis peptide synthesis	application(s) peptide synthesis	application(s) -

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Storage Class

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

Eyeshields, Gloves, type N95 (US)

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