天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

3-Methoxy-5-methyl-4-oxohexa-2,5-diensure

PENICILLIC ACID Struktur
90-65-3
CAS-Nr.
90-65-3
Bezeichnung:
3-Methoxy-5-methyl-4-oxohexa-2,5-diensure
Englisch Name:
PENICILLIC ACID
Synonyma:
NSC 402844;pencillicacid;PENICILLINACID;PENICILLIC ACID;kyselinapenicilova;PENICILLIC ACID 99%;Penicillic acid,99%;Penicillic acid, 99% 25MG;Penicillic Acid in Methanol;Benzylpenicillin Impurity 26
CBNumber:
CB0338325
Summenformel:
C8H10O4
Molgewicht:
170.16
MOL-Datei:
90-65-3.mol

3-Methoxy-5-methyl-4-oxohexa-2,5-diensure Eigenschaften

Schmelzpunkt:
83-87 °C
Siedepunkt:
219.79°C (rough estimate)
Dichte
1.1456 (rough estimate)
Brechungsindex
1.4425 (estimate)
storage temp. 
Store at 2-8
L?slichkeit
DMSO: >10mg/mL
pka
3.90±0.33(Predicted)
Aggregatzustand
solid
Farbe
Needles from pet ether or rhombic orhexagonal plates
Merck 
13,7163
CAS Datenbank
90-65-3
IARC
3 (Vol. 10, Sup 7) 1987
EPA chemische Informationen
Penicillic acid (90-65-3)
Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
Kennzeichnung gef?hrlicher Xn,T
R-S?tze: 36/37/38-20/21/22-22
S-S?tze: 37/39-26-24/25
RIDADR  2811
RTECS-Nr. MM2625000
HazardClass  6.1(b)
PackingGroup  III
HS Code  29189900
Giftige Stoffe Daten 90-65-3(Hazardous Substances Data)
Toxizit?t LD50 i.p. in mice: 90.00 mg/kg (Chan et al.)
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Warnung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H302 Gesundheitssch?dlich bei Verschlucken. Akute Toxizit?t oral Kategorie 4 Warnung GHS hazard pictogramssrc="/GHS07.jpg" width="20" height="20" /> P264, P270, P301+P312, P330, P501
Sicherheit
P260 Dampf/Aerosol/Nebel nicht einatmen.
P271 Nur im Freien oder in gut belüfteten R?umen verwenden.

3-Methoxy-5-methyl-4-oxohexa-2,5-diensure Chemische Eigenschaften,Einsatz,Produktion Methoden

R-S?tze Betriebsanweisung:

R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R20/21/22:Gesundheitssch?dlich beim Einatmen,Verschlucken und Berührung mit der Haut.
R22:Gesundheitssch?dlich beim Verschlucken.

S-S?tze Betriebsanweisung:

S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.

Beschreibung

Gram negative bacteria utilize N-acylated homoserine lactones to coordinate expression of virulence in response to the density of the surrounding bacterial population in a process termed quorum sensing. By interfering with this communication and thereby disrupting virulence expression, quorum sensing inhibitors are emerging as an alternative to the conventional ways of fighting bacterial infections. Penicillic acid is a mycotoxin produced from Penicillium species identified in molds on corn and other grains. At 80 μM, penicillic acid inhibits bacterial quorum sensing communication in P. aeruginosa by selectively repressing various virulence factor and other quorum sensing-regulated genes. It has been shown to inhibit Fas-mediated apoptosis at 100-200 μM by targeting caspase-8 activity in Burkitt’s lymphoma Raji cells.

Chemische Eigenschaften

white to light beige crystals or powder

Verwenden

Gram negative bacteria utilize N-acylated homoserine lactones to coordinate expression of virulence in response to the density of the surrounding bacterial population in a process termed quorum sensing. By interfering with this communication and thereby disrupting virulence expression, quorum sensing inhibitors are emerging as an alternative to the conventional ways of fighting bacterial infections. Penicillic acid is a mycotoxin produced from Penicillium species identified in molds on corn and other grains. At 80 μM, penicillic acid inhibits bacterial quorum sensing communication in P. aeruginosa by selectively repressing various virulence factor and other quorum sensing-regulated genes. It has been shown to inhibit Fas-mediated apoptosis at 100-200 μM by targeting caspase-8 activity in Burkitt’s lymphoma Raji cells.

Sicherheitsprofil

Poison by intravenous, subcutaneous, and intraperitoneal routes. Moderately toxic by ingestion. An experimental teratogen. Experimental reproductive effects. Questionable carcinogen with experimental neoplastigenic data. Human mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.

l?uterung methode

The lactone (furanone, anhydrous) hydrolyses to the acid (3-methoxy-4-oxo-hexa-2,5-dienoic acid, hydrate). It crystallises from water as the monohydrate (acid), or from pet ether as the anhydrous (lactone) compound. The free acid is in equilibrium with the lactone. UV: max 221nm ( 12,500) in 0.02M KOH; 228nm ( 11,500) in 0.02M HCl [Raphael J Chem Soc 1508 1948]. [Beilstein 3 II 519, 3 III 1467.] It is a possible antineoplastic.

3-Methoxy-5-methyl-4-oxohexa-2,5-diensure Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


3-Methoxy-5-methyl-4-oxohexa-2,5-diensure Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 96)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652
info@fdachem.com China 20228 58
ATK CHEMICAL COMPANY LIMITED
+undefined-21-51877795
ivan@atkchemical.com China 33024 60
TargetMol Chemicals Inc.
+17819995354
marketing@targetmol.com United States 32281 58
TargetMol Chemicals Inc.

support@targetmol.com United States 38665 58
Shenzhen Excellent Biomedical Technology Co.,Ltd.
+undefined18318671572
sale@ex-biotech.com China 1092 58
China National Standard Pharmaceutical Corporation Limited
+8615391658522
overseasales@yongstandards.com China 11922 58
Shanghai Acmec Biochemical Technology Co., Ltd.
+86-18621343501; +undefined18621343501
product@acmec-e.com China 33338 58
Aladdin Scientific

tp@aladdinsci.com United States 57505 58
SHANGHAI KEAN TECHNOLOGY CO., LTD.
+8613817748580
cooperation@kean-chem.com China 40066 58
DAYANG CHEM (HANGZHOU) CO.,LTD
+86-88938639 +86-17705817739
info@dycnchem.com China 53900 58

90-65-3(3-Methoxy-5-methyl-4-oxohexa-2,5-diensure)Verwandte Suche:


  • 3-METHOXY-5-METHYL-4-OXO-2,5-HEXADIENOIC ACID
  • 3-methoxy-5-methyl-4-oxo-5-hexadienoicacid
  • gamma-keto-beta-methoxy-delta-methylene-delta(supalpha)-hexenoicacid
  • kyselinapenicilova
  • pencillicacid
  • PENICILLIC ACID
  • 3-methoxy-5-methyl-4-oxohexa-2,5-dienoic acid
  • PENICILLIC ACID 99%
  • PENICILLINACID
  • Penicillic acid from Penicillium cyclopium
  • 3-Methoxy-5-methyl-4-oxo-2,5-hexadienoic acid, PA
  • Penicillic acid,99%
  • Penicillic acid3-Methoxy-5-methyl-4-oxo-2,5-hexadienoic acid
  • Penicillic acid, 99% 25MG
  • (E)-3-methoxy-5-methyl-4-oxohexa-2,5-dienoic acid
  • NSC 402844
  • Inhibitor,Bacterial,Penicillic acid,inhibit,Caspase,Antibiotic,Apoptosis
  • 2,5-Hexadienoic acid, 3-methoxy-5-methyl-4-oxo-
  • Benzylpenicillin Impurity 26
  • Penicillic Acid in Methanol
  • Penicillic Acid in Acetonitrile
  • 90-65-3
  • antibiotic
Copyright 2019 ? ChemicalBook. All rights reserved