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

Overview

Replacement Information

Key Spec Table

CAS #Empirical Formula
52-90-4C₃H₇NO₂S

Pricing & Availability

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243005-100GM
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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
          Global Trade Item Number
          Catalogue Number GTIN
          243005-100GM 04055977199086
          243005-25GM 07790788054939

          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