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

243005
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Overview

Replacement Information

Key Specifications Table

Empirical FormulaCAS #
C₃H₇NO₂S 52-90-4

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243005-100GM
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      Glass bottle 100 gm
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      243005-1KG
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          243005-25GM
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              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