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ChemicalBook > Produktkatalog >Aktive pharmazeutische Wirkstoffe (APIs) >Verdauungssystem Drogen >Cholagoga >Hymecromon

Hymecromon Produkt Beschreibung

CAS-Nr.90-33-5
Bezeichnung:Hymecromon
Englisch Name:4-Methylumbelliferone
Synonyma:
BMU;lm94;4-MU;LM 94;Himecol;Medilla;CantabbY;Bilcolic;Crodimon;Eurogale
CBNumber:CB5745737
Summenformel:C10H8O3
Molgewicht:176.17
MOL-Datei:90-33-5.mol
Hymecromon physikalisch-chemischer Eigenschaften
Schmelzpunkt:: 188.5-190 °C(lit.)
Siedepunkt:: 267.77°C (rough estimate)
Dichte: 1.1958 (rough estimate)
Brechungsindex: 1.5036 (estimate)
storage temp. : -20°C Freezer
Löslichkeit: Solubility Practically insoluble in water; slightly soluble in ethanol, ether,chloroform; soluble inmethanol
Aggregatzustand: Crystalline Powder
pka: 7.79(at 25℃)
Farbe: off-white to yellow
Säure-Base-Indikators(pH-Indikatoren): Green 1 uorescent (0.0) to weak blue 1 uorescent (2.0);Weak blue 1 uorescent (6.5) blue 1 uorescent (8.0)
Wasserlöslichkeit: slightly soluble
maximale Wellenlänge (λmax): 221nm, 251nm, 322nm
Merck : 14,4854
BRN : 142217
Stabilität:: Stable. Combustible. Incompatible with strong oxidizing agents.
Major Application: color filter, electroluminescent displays, document security processes, lasers, integrated circuits, liquid crystal displays, surface brightening composition, oil products, teeth whitening agent, lysosomal enzyme assay, substrate for lipase, determining protein-protein-interactions in living cells, Antitrypanosomal, antileishmanial, anticancer, antiHIV, antimalarial, antibacterial, antifungal
CAS Datenbank: 90-33-5(CAS DataBase Reference)
NIST chemische Informationen: Coumarin, 7-hydroxy-4-methyl-(90-33-5)
EPA chemische Informationen: 2H-1-Benzopyran- 2-one, 7-hydroxy-4-methyl-(90-33-5)
Sicherheit
Kennzeichnung gefährlicher: Xi,Xn
R-Sätze:: 36/37/38-20/21/22
S-Sätze:: 26-37/39-36
WGK Germany : 2
RTECS-Nr.: GN7000000
Hazard Note : Irritant
TSCA : Yes
HS Code : 29329990

Hymecromon Chemische Eigenschaften,Einsatz,Produktion Methoden

R-Sätze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R20/21/22:Gesundheitsschädlich beim Einatmen,Verschlucken und Berührung mit der Haut.
S-Sätze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
Chemische Eigenschaften
Off-White to Yellow Crystals
Verwenden
Standard for the fluorometric determination of enzyme activity. Highly fluorescent in alkaline solution. Fluorescence: max Abs. l = 360nm, max. Em. l = 449nm; pH > 9
Verwenden
choloretic, spasmolytic, sunscreen
Verwenden
Analytical reagent.
Definition
ChEBI: A hydroxycoumarin that is umbelliferone substituted by a methyl group at position 4.
Allgemeine Beschreibung
Colorless crystals. Insoluble in water.
Air & Water Reaktionen
Insoluble in water.
Brandgefahr
Flash point data for 4-Methylumbelliferone are not available. 4-Methylumbelliferone is probably combustible.
Sicherheitsprofil
Moderately toxic by ingestion and intraperitoneal routes. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.
läuterung methode
Purify it by recrystallisation from EtOH. It is very slightly soluble in cold H2O (solubility at 37o is 0.22%), slightly soluble in Et2O and CHCl3, but soluble in MeOH and AcOH. It has a blue fluorescence in aqueous EtOH and has UV: 221, max 251 and 322.5nm (MeOH). The IR has 3077 br, 1667, 1592, 1385, 1267, 1156, 1130 and 1066 cm-1.max The acetate has m 153-154o. [Woods & Sapp J Org Chem 27 3703 1962, Beilstein 18 III/IV 332, 18/1 V 439.]
Hymecromon Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Ethylacetoacetat
Downstream Produkte
Hymecromon Anbieter Lieferant Produzent Hersteller Vertrieb Händler.      Global( 317)Lieferanten     
Firmenname Telefon Fax E-Mail Land Produktkatalog Edge Rate
Shenzhen Sendi Biotechnology Co.Ltd.
0755-23311925 18102838259
0755-23311925Abel@chembj.com CHINA 3203 55
Mainchem Co., Ltd.
+86-0592-6210733
+86-0592-6210733sales@mainchem.com CHINA 32457 55
Xiamen AmoyChem Co., Ltd
+86 (0)592-605 1114
sales@amoychem.com CHINA 6374 58
Shanghai Zheyan Biotech Co., Ltd.
18017610038
zheyansh@163.com CHINA 3623 58
career henan chemical co
+86-371-86658258
sales@coreychem.com CHINA 20516 58
Chemwill Asia Co.,Ltd.
86-21-51086038
86-21-51861608chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com CHINA 23982 58
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254
peter@hubeijusheng.com CHINA 20094 58
Haihang Industry Co.,Ltd
86-531-88032799
+86 531 8582 1093export@haihangchem.com CHINA 4660 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933jkinfo@jkchemical.com;market6@jkchemical.com China 96519 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing)sh@meryer.com China 40277 62
 
90-33-5(Hymecromon)Verwandte Suche:
1-(1,3-Benzodioxol-5-yl)aceton Hymecromon 4-Methylpentan-2-on 6-Methyl-2H-1-benzopyran-2-on Mesotrione Methyl-4-hydroxybenzoat Kresoxim-methyl Brommethan Methylacrylat Methyl 6-HYDROXYCOUMARIN 3,6-Bis[(4-chlor-2-phosphonophenyl)azo]-4,5-dihydroxynaphthalin-2,7-disulfonsure Medroxyprogesteronacetat Acetonoxim 4-HYDROXY MEPHENYTOIN 3,4-DIMETHYLUMBELLIFERONE 1-Methyl-2-pyrrolidon strogene, Konjugate
7-hydroxy-4-methyl-2h-1-benzopyren-2-on 7-hydroxy-4-methyl-2-oxo-2h-1-benzopyra 7-Hydroxy-4-methyl-2-oxo-2H-1-benzopyran 7-Hydroxy-4-methyl-2-oxo-3-chromene 7-hydroxy-4-methyl-coumari Bilcolic Bilicante Biliton H BMU CantabbY Cantabilin Cantabiline Cholestil Cholonerton Cholspasmin Crodimon Cumarote-C Eurogale Himecol Hymecromon Imecromone Imecromonoe LM 94 4-METHYLUMBELLIFERONE 4-METHYL-7-HYDROXYCOUMARIN 4-METHYLUMBELLIFERONE (BETA), FOR FLUOR- ESCENCE 7-HYDROXY-4-METHYLCOUMARIN, DYE CONTENT& 4-METHYLUMBELLIFERONE FREE ACID 7-Hydroxy-4-Methylcoumarine 7-Hydroxy-4-MethylCoumarin/4-MethylUmbelliferone 4-Methylumbelliferone,>99% Hydroxy-4-methylcoumarin 4-Methylumbelliferone,97% 7-Hydroxy-4-methylcoumarin, laser grade, pure 7-Hydroxy-4-methylcoumarin, pure, 97% HYDROXY-4-METHYLCOUMARIN, 6-(RG) HYDROXY-5-METHYLFLAVONE, 7-(RG) HYDROXY-6-METHYLCOUMARIN,4-(RG) METHYLUMBELLIFERONE, 4-(RG) 7-HYDROXY-4-METHYLCOUMARIN(HYMECROMONE) Hydroxymethylcoumarine HYMERCROMONE 4-methylumbeliferone hydroxymethylcourin 7-HYDROXY-4-METHYLCOUMARIN CP (99%) 4-METHYL-7-HYDROXYL COUMARIN 4-Methylumbelliferone 〔7-Hydroxy-4-methylcoumarin〕 Coumarin, 7-hydroxy-4-methyl- 7-hydroxy-4-methyl-2-chrome- Anone Bcumarote C Hydroxyl methyl coumarin 7-Hydroxy-4-methylcoumarin [4-Methylumbelliferone] *Fluorescence reference standard* 2H-1-Benzopyran, 7-hydroxy-4-methyl-2-oxo- 2H-1-Benzopyran-2-one, 7-hydroxy-4-methyl- 2H-1-Benzopyren-2-one, 7-hydroxy-4-methyl- 4-Methylumbelliferon 4-Metylumbelliferone 7-hydroxy-4-methyl-2h-1-benzopyran-2-on
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