GSSG Trinder Reagent ?L-Glutathione Oxidized Form CAS NO 27025-41-8 98%
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Quick Detail:
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Description:
> CAS NO:27025-41-8
> Formula:C20H32N6O12S2
> weight:612.63
> Appearance: White?crystalline?powder
> Storage: 2-8℃
> safety description:S26 S36
> danger description:R36/37/38
> danger symbol:xi
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Specifications

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Synonyms:
glutathionedisulphide;glutathione-ssg;glutathonedisulfide;Glycine,L-.gamma.-glutamyl-L-cysteinyl-,2,2’-disulfide;glycine,l-gamma-glutamyl-l-cysteinyl-,(2,2’)-disulfide;l-oxidizedglutathione;N-(N-.gamma.-Glutamyl-cysteinyl)glycine-2,2-disulfide;n-(n-gamma-glutamyl-cysteinyl)glycine-(2,2)-disulfide;l(-)-Glutathione; Glutathione disulfide; glutathionedisulphide; glutathione-ssg; glutathonedisulfide; Glycine,L-.gamma.-glutamyl-L-cysteinyl-,2,2\'-disulfide; glycine,l-gamma-glutamyl-l-cysteinyl-,(2,2\')-disulfide; l-oxidizedglutathione; N-(N-.gamma.-Glutamyl-cysteinyl)glycine-2,2-disulfide; n-(n-gamma-glutamyl-cysteinyl)glycine-(2,2)-disulfide; 5,5\'-[disulfanediylbis({3-[(carboxymethyl)amino]-3-oxopropane-1,2-diyl}imino)]bis(2-amino-5-oxopentanoic acid) (non-preferred name); (2S,2\'S)-5,5\'-[disulfanediylbis({(2R)-3-[(carboxymethyl)amino]-3-oxopropane-1,2-diyl}imino)]bis(2-amino-5-oxopentanoic acid) (non-preferred name); L-Glutathione(Oxidized Form)
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Related Products:70-18-8
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Related categories:Amino Acids & Derivatives;Sulfur & Selenium Compounds
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Determination?of?melting?point
???Instrument:
???Micro?melting?point?apparatus?WRS-2A,?Melting?point?tubes
??Determination?of?step:
Open?switch,?stable?20min.
First?set?the?starting?temperature?than?the?melting?point?of?the?low?10?℃,?heating?rate?2?℃?/?min.?
The?sample?was?grind?as?fine?as?possible?and?load?in?a?clean,?dry?melting?point?pipe?,until?the?sample?was?compressed?into?about?1cm?high?.When?the?actual?temperature?reaches?the?set?temperature?and?stabilized?.?Inserted?into?the?capillary?with?the?sample,?the?simultaneous?determination?of?three.
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The?determination?of?solubility
Weigh?a?certain?amount?of?samples?into?test?tube,?add?a?certain?amount?of?water,?shake?and?dissolve,?observe?the?solution.
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The?determination?of?residue?on?ignition
???First?the?Griddle?was?burning?30?minutes?at?600?±?50?℃,?cooled?and?then?weighed?on?a?silica?gel?drier.Taking?1g?sample?was?placed?in?a?crucible?and?weighed,?with?2ml?sulfuric?acid?(5.5ml98%?sulfuric?acid?diluted?to?100ml)?wetting?the?sample?which?was?slowly?heated?until?the?sample?completely?low?zoom.Cooling,using?2ml?sulfuric?acid?(5.5ml98%?sulfuric?acid?diluted?to?100ml)?to?wet?the?sample,?which?was?slowly?heated?until?no?white?smoke,?and?then?placed?at?600?±50℃?calcined?to?obtain?the?residue,?to?ensure?that?the?entire?process?does?not??produce?white?smoke.Cooling?Griddle?silica?gel?dryer?and?then?weighed?to?calculate?the?mass?of?the?residue.
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Detection?of?heavy?metals
?????The?meaning?of?heavy?metals?of?this?act?is?under?the?specified?experimental?condition,?which?can?coloration?effects?with?sodium?sulfide?or?thioacetamide??.The?glasses?of?preparation?or?storage?is?not?allowed?to?contain?lead.
5.8.1??Reagents
??a)?Lead?dinitrate:1μg/mL
???b)?Sodium?hydroxide?:10%(m/v)
???c)?Sodium?sulfide?:10%(m/v)
5.8.2??Preparation?of?lead?standard?solution?
?????Weigh?lead?dinitrate??0.1599g?,relocated?to?1000mL?volumetric?flask,?plus?nitric?acid?5mL?and?water?50mL,?diluted?with?water?to?the?mark?,?shake,?as?the?stock?solution.
5.8.3?Determination?of?step
???Before?use,?the?exact?amount?of?stock?solution?1mL,?relocated?to?a?100ml?volumetric?flask,?dilute?with?water?to?the?mark,?shake,?limit?the?use?of?the?day?.
???Weigh?sample?1g,?after?adding?sodium?hydroxide?solution?5mL?and?20mL?of?water