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

243005
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Overview

Key Spec Table

CAS #Empirical Formula
52-90-4C₃H₇NO₂S

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
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
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)
Safety Information according to GHS
RTECSHA1600000
Safety Information
R PhraseR: 22;

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
Global Trade Item Number
Catalogue Number GTIN
243005-100GM 04055977199086
243005-1KG 04055977199079
243005-25GM 07790788054939