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243005 L-Cysteine, Free Base - CAS 52-90-4 - Calbiochem

243005
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Overview

Replacement Information

Key Spec Table

Empirical FormulaCAS #
C₃H₇NO₂S52-90-4

Products

Catalogue NumberPackaging Qty/Pack
243005-100GM Glass bottle 100 gm
243005-1KG Glass bottle 1 kg
243005-25GM Plastic ampoule 25 gm
Description
OverviewNaturally-occurring non-essential amino acid.
Catalogue Number243005
Brand Family Calbiochem®
SynonymsCys
References
Product Information
CAS number52-90-4
FormWhite solid
Hill FormulaC₃H₇NO₂S
Chemical formulaC₃H₇NO₂S
Optical rotationOptical rotation: +8° to +9° (c = 5, 1 N HCl, 20°C).
Quality LevelMQ100
Applications
Biological Information
Purity≥98% by titration (perchloric acid)
Physicochemical Information
ContaminantsIron: ≤10 ppm
Endotoxin: ≤24 EU/g
Total microorganisms: ≤100 CFU/g
Heavy metals≤0.001% (as Pb)
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
RTECSHA1600000
Safety Information
R PhraseR: 22;

Product Usage Statements
Storage and Shipping Information
Ship Code Ambient Temperature Only
Toxicity Harmful
Storage +15°C to +30°C
Do not freeze Ok to freeze
Special InstructionsAqueous stock solutions are stable for up to 24 h at -20°C. Acidic stock solutions, when aliquoted and stored at -20°C, are stable for up to 1 month.
Packaging Information
Packaged under inert gas Packaged under inert gas
Transport Information
Supplemental Information
Specifications

Documentation

L-Cysteine, Free Base - CAS 52-90-4 - Calbiochem SDS

Title

Safety Data Sheet (SDS) 

L-Cysteine, Free Base - CAS 52-90-4 - Calbiochem Certificates of Analysis

TitleLot Number
243005
Data Sheet

Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.

Revision03-June-2010 RFH
SynonymsCys
DescriptionNaturally occurring non-essential amino acid.
FormWhite solid
Intert gas (Yes/No) Packaged under inert gas
CAS number52-90-4
RTECSHA1600000
Chemical formulaC₃H₇NO₂S
Purity≥98% by titration (perchloric acid)
ContaminantsIron: ≤10 ppm
Endotoxin: ≤24 EU/g
Total microorganisms: ≤100 CFU/g
SolubilityH₂O (10 mg/ml) or 1N HCl (50 mg/ml)
Storage +15°C to +30°C
Do Not Freeze Ok to freeze
Special InstructionsAqueous stock solutions are stable for up to 24 h at -20°C. Acidic stock solutions, when aliquoted and stored at -20°C, are stable for up to 1 month.
Toxicity Harmful
Merck USA index14, 2781