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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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243005-1KGCN
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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
      243005-1KGCN 04055977199079

      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