Attenzione: Ci siamo trasferiti. Non è più possibile acquistare i prodotti Merck Millipore nel sito MerckMillipore.comPer saperne di più

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

243005
Purchase on Sigma-Aldrich

Panoramica

Replacement Information

Tabella delle specifiche principali

Empirical FormulaCAS #
C₃H₇NO₂S 52-90-4

Products

Numero di catalogoConfezionamento Qtà/conf
243005-100GM Bottiglia di vetro 100 gm
243005-1KG Bottiglia di vetro 1 kg
243005-25GM Fiala di plastica 25 gm
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 MSDS

Titolo

Scheda di sicurezza (MSDS) 

L-Cysteine, Free Base - CAS 52-90-4 - Calbiochem Certificati d'Analisi

TitoloNumero di lotto
243005
Scheda tecnica

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