Djenkolsure

DJENKOLIC ACID Struktur
498-59-9
CAS-Nr.
498-59-9
Bezeichnung:
Djenkolsure
Englisch Name:
DJENKOLIC ACID
Synonyma:
Djenkolic;Djenkolate;jenkolic acid;DJENKOLIC ACID;jengkolic acid;L-DJENKOLIC ACID;Djenkolic Acid >DJENKOLIC ACID, L-;S,S'-Methylenebiscysteine;L-S,S'-METHYLENEDICYSTEINE
CBNumber:
CB7381805
Summenformel:
C7H14N2O4S2
Molgewicht:
254.33
MOL-Datei:
498-59-9.mol

Djenkolsure Eigenschaften

Schmelzpunkt:
325°C (rough estimate)
Siedepunkt:
515.4±50.0 °C(Predicted)
alpha 
D20.5 -65.0° (1.0N HCl); D25 -47.5° (c = 2 in 1.0N HCl)
Dichte
1.4799 (rough estimate)
Brechungsindex
-65 ° (C=1, 1mol/L HCl)
storage temp. 
2-8°C
Löslichkeit
DMSO:0.1(Max Conc. mg/mL);0.39(Max Conc. mM)
Water:25.0(Max Conc. mg/mL);98.3(Max Conc. mM)
Aggregatzustand
Solid
pka
pK1:2.200(+1);pK2:8.16(0) (25°C)
Wasserlöslichkeit
5g/L(100 ºC)
Merck 
14,3387
CAS Datenbank
498-59-9(CAS DataBase Reference)
Sicherheit
  • Risiko- und Sicherheitserklärung
  • Gefahreninformationscode (GHS)
HS Code  2930909899
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H315 Verursacht Hautreizungen. Hautreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P302+P352, P321,P332+P313, P362
H319 Verursacht schwere Augenreizung. Schwere Augenreizung Kategorie 2 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P280, P305+P351+P338,P337+P313P
H335 Kann die Atemwege reizen. Spezifische Zielorgan-Toxizität (einmalige Exposition) Kategorie 3 (Atemwegsreizung) Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" />
Sicherheit
P261 Einatmen von Staub vermeiden.
P271 Nur im Freien oder in gut belüfteten Räumen verwenden.
P280 Schutzhandschuhe/Schutzkleidung/Augenschutz tragen.

Djenkolsure Chemische Eigenschaften,Einsatz,Produktion Methoden

Definition

ChEBI: A dithioacetal consisting of two molecules of L-cysteine joined via their sulfanyl groups to methylene.

läuterung methode

Crystallise djenkolic acid from a large volume of water (solubility is 0.5g%). [du Vigneaud & Patterson J Biol Chem 114 533 1936, Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 pp 2682, 2687 1961, Beilstein 4 III 1591.] The N,N’-dibenzoyl derivative crystallises with 1H2O from aqueous EtOH with m 87.5-89o [Beilstein 9 III 1171.]

Djenkolsure Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


Djenkolsure Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

Global( 57)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512
info@tianfuchem.com China 21691 55
TargetMol Chemicals Inc.
+1-781-999-5354 +1-00000000000
marketing@targetmol.com United States 19892 58
Dayang Chem (Hangzhou) Co.,Ltd.
571-88938639 +8617705817739
info@dycnchem.com CHINA 52867 58
BTC pharm India
+918790379245
banny.janga@btcpharm.com India 1269 58
GIHI CHEMICALS CO.,LIMITED
+8618058761490
info@gihichemicals.com China 50000 58
LEAPCHEM CO., LTD.
+86-852-30606658
market18@leapchem.com China 43348 58
Shanghai Acmec Biochemical Technology Co., Ltd.
+undefined18621343501
product@acmec-e.com China 33349 58
Mainchem Co., Ltd. +86-0592-6210733
sale@mainchem.com China 32360 55
J & K SCIENTIFIC LTD. 010-82848833 400-666-7788
jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006608290; 18621169109
market03@meryer.com China 40241 62

498-59-9(Djenkolsure)Verwandte Suche:


  • L-S,S′-Methylenebis(cysteine)
  • S,S'-METHYLENEDI-L-CYSTEINE
  • jenkolic acid
  • DJENKOLIC ACID
  • DJENKOLIC ACID, L-
  • L-S,S'-METHYLENEDICYSTEINE
  • L-DJENKOLIC ACID
  • 3,3'-(methylenedithio)-dialanine
  • Djenkolic
  • DJENKOLIC ACID, L-(RG)(CALL)
  • Djenkolic Acid >
  • L-Cysteine, S,S'-methylenebis-
  • TIANFUCHEM---498-59-9--High purity DJENKOLIC ACID in stock
  • Djenkolate
  • jengkolic acid
  • S,S'-Methylenebiscysteine
  • Djenkolic Acid,Inhibitor,renal injury,inhibit,djenkol beans
  • 498-59-9
  • CH2SCH2CHNH2COOH2
  • C7H14N2O4S2
  • Amino Acids
Copyright 2019 © ChemicalBook. All rights reserved