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

      Pricing & Availability

      Catalog NumberAvailability Packaging Qty/Pack Price Quantity
      243005-100GM
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          Glass bottle 100 gm
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          243005-1KG
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              Glass bottle 1 kg
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              243005-25GM
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                  Plastic ampoule 25 gm
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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).
                  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

                  SDS

                  Title

                  Safety Data Sheet (SDS) 

                  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