• Home
  • Sitemap
  • Help
  • Technical Support
  • Contact
Natural Products / Antibiotics
You are here: Product Lines > Natural Products / Antibiotics
Toolbar - View Selection
 
 Items 240-260 of 704 Page 13 of 36 Select Page: << 1 2 3 4 5 6 7 8 9 10  >>  
ALX-350-092 Revised 03-Apr-08
Emetine . dihydrochloride
Add to Clipboard
SYNONYMS 6’,7’,10,11-Tetramethoxyemetan . 2HCl
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - DNA Replication Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-092-M050   50 mg 10.00 USD Add To Cart
Product Specification
FORMULA: C29H40N2O4 . 2HCl
MW: 480.7 . 73.0
CAS NUMBER: 316-42-7
MERCK INDEX: 14: 3559
SOURCE/HOST: Isolated from ground roots of Uragoga ipecacuanha.
PURITY: ≥98%
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in water or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light. Hygroscopic.
HAZARD: TOXIC.

Product Description
Irreversibly blocks protein synthesis by inhibiting the movement of ribosome along the mRNA. Induces hypotension by blocking adrenoreceptors. Inhibits DNA replication in the early S phase. Inhibits HIF-1 activation by hypoxia. Induces apoptosis in leukemia cells. Antiamebic.
Product Specific Literature References
Inhibitors of protein biosynthesis. V. Effects of emetine on protein and nucleic acid biosynthesis in HeLa cells: A.P. Grollman; J. Biol. Chem. 243, 4089 (1968) Abstract
Cytometric analysis of DNA replication inhibited by emetine and cyclosporin A:: A: T. Schweighoffer, et al.; Histochemistry 96, 93 (1991) Abstract
Emetine allows identification of origins of mammalian DNA replication by imbalanced DNA synthesis, not through conservative nucleosome segregation: W.C. Burhans, et al.; EMBO J. 10, 4351 (1991) Abstract
Role of newly synthesized MHC class II molecules in antigen-specific antigen presentation by B cells: T. Kokuho, et al.; Immunobiology 193, 42 (1995) Abstract
Terpenoid tetrahydroisoquinoline alkaloids emetine, klugine, and isocephaeline inhibit the activation of hypoxia-inducible factor-1 in breast tumor cells: Y.D. Zhou, et al.; J. Nat. Prod. 68, 947 (2005) Abstract
The alkaloid emetine as a promising agent for the induction and enhancement of drug-induced apoptosis in leukemia cells: M. Moller, et al.; Oncol. Rep. 18, 737 (2007) Abstract
Characteristics of apoptosis induction by the alkaloid emetine in human tumour cell lines: M. Moller & M. Wink; Planta Med. 73, 1389 (2007) Abstract
 
 
ALX-350-057 Revised 20-Feb-08
Emodin
Add to Clipboard
SYNONYMS 6-Methyl-1,3,8-trihydroxyanthraquinone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-057-M025   25 mg 45.00 USD Add To Cart
Product Specification
FORMULA: C15H10O5
MW: 270.2
CAS NUMBER: 518-82-1
MERCK INDEX: 14: 3561
RTECS: CB7920600
SOURCE/HOST: Isolated from Frangula bark.
PURITY: ≥96% (HPLC)
APPEARANCE: Orange to red solid.
SOLUBILITY: Soluble in DMSO, 100% ethanol or 1N dilute aqueous ammonia; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: IRRITANT.

Product Description
Inhibitor of p56lck tyrosine kinase. Has mutagenic and genotoxic effects, mainly in bacterial systems. Anticancer agent. Exhibits anti-proliferative effects in various cancer cell lines by efficient induction of apoptosis. Has inhibitory effects on angiogenic and metastasis regulatory processes. Anti-inflammatory compound. Suppresses NF-κB activation. 
Product Specific Literature References
Emodin, a protein tyrosine kinase inhibitor from Polygonum cuspidatum: H. Jayasuriya, et al.; J. Nat. Prod. 55, 696 (1992) Abstract
Selective inhibition of the growth of ras-transformed human bronchial epithelial cells by emodin, a protein-tyrosine kinase inhibitor: T.C.K. Chan, et al.; BBRC 193, 1152 (1993) Abstract
Molecular mechanism of emodin action: transition from laxative ingredient to an antitumor agent: G. Srinivas, et al.; Med. Res. Rev. 27, 591 (2007), (Review) Abstract
 
 
ALX-380-007 Revised 16-Jun-08
Enniatin B
Add to Clipboard
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Ionophores
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-007-M001   1 mg 130.00 USD Add To Cart
Product Specification
FORMULA: C33H57N3O9
MW: 639.8
CAS NUMBER: 917-13-5
MERCK INDEX: 14: 3585
SOURCE/HOST: Isolated from Fusarium orthoceras var. enniatum.
PURITY: ≥90% (HPLC)
APPEARANCE: White to off-white crystalline solid.
SOLUBILITY: Soluble in DMSO or other organic solvents; almost insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Ionophore antibiotic. Inhibitor of the S. cerevisiae ABC transporter Pdr5p.
Inhibitor of acyl-CoA-cholesterol acyltransferase and of phosphodiesterase. Potential anticancer compound.
Product Specific Literature References
Ionophore antibiotics produced by the fungus Fusarium orthoceras var. enniatum and other Fusaria: E. Gaumann, et al.; Experientia 3, 202 (1947)
"Sandwich" complexation in cyclopeptides and its implications in membrane processes: V.T. Ivanov; Ann. N. Y. Acad. Sci. 264, 221 (1975) Abstract
Interaction of cyclic peptides and depsipeptides with calmodulin: K.A. Mereish, et al.; Pept. Res. 3, 233 (1990) Abstract
Enniatin has a new function as an inhibitor of Pdr5p, one of the ABC transporters in Saccharomyces cerevisiae: K. Hiraga, et al.; Biochem. Biophys. Res. Commun. 328, 1119 (2005) Abstract
Enniatin exerts p53-dependent cytostatic and p53-independent cytotoxic activities against human cancer cells: R. Dornetshuber, et al.; Chem. Res. Toxicol. 20, 465 (2007) Abstract
 
 
ALX-380-290 Revised 15-Apr-08 New product
Enrofloxacin
Add to Clipboard
SYNONYMS 1,4-Dihydro-1-cyclopropyl-7-(4-ethyl-1-piperazinyl)-6-fluoro-4-oxo-3-quinolinecarboxylic acid
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-290-G005   5 g 30.00 USD Add To Cart
ALX-380-290-G025   25 g 120.00 USD Add To Cart
Product Specification
FORMULA: C19H22FN3O3
MW: 359.4
CAS NUMBER: 93106-60-6
MERCK INDEX: 14: 3592
RTECS: VB1993650
PURITY: ≥98% (Assay)
APPEARANCE: White to light yellow crystalline powder.
SOLUBILITY: Slightly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description

Fluoroquinolone with broad spectrum activity against Gram-negative and Gram-positive bacteria as well as against Mycoplasma spp. Inhibits bacterial DNA-gyrase (topoisomerase).

Product Specific Literature References
Enrofloxacin: a new antimicrobial agent: J. Schroder; J. S. Afr. Vet. Assoc. 60, 122 (1989) Abstract
 
 
ALX-270-263 Revised 03-Apr-08
(-)-Epigallocatechin gallate
Add to Clipboard
SYNONYMS EGCG
(2R,3R)-2-(3,4,5-Trihydroxyphenyl)-3,4-dihydro-1[2H]-benzopyran-3,5,7-triol 3-(3,4,5-trihydroxybenzoate)
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-263-M010   10 mg 20.00 USD Add To Cart
ALX-270-263-M050   50 mg 60.00 USD Add To Cart
Product Specification
FORMULA: C22H18O11
MW: 458.4
CAS NUMBER: 989-51-5
MERCK INDEX: 14: 3526
SOURCE/HOST: Isolated from green tea.
PURITY: ≥98% (HPLC)
APPEARANCE: Off-white to yellow powder.
SOLUBILITY: Soluble in 100% ethanol, dimethyl formamide or DMSO; slightly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Stock solutions in DMSO are stable for up to 3 months when stored at -20°C.
HANDLING: After reconstitution, prepare aliquots and store at -20°C. Keep under inert gas. Protect from light.

Product Description
Antitumor reagent. Antioxidant. Protects cells from lipid peroxidation and DNA damage induced by reactive free radicals. Inhibits inducible nitric oxide synthase (iNOS; NOS II). Chemopreventive anticancer agent. Induces apoptosis in human cancer cell lines. Inhibits MAP kinase mediated signalling pathways. Inhibits angiogenesis. Inhibits telomerase and DNA methyltransferase. Anti-inflammatory agent.
Product Specific Literature References
Inhibitory effect of topical application of a green tea polyphenol fraction on tumor initiation and promotion in mouse skin: M.T. Huang, et al.; Carcinogenesis 13, 947 (1992) Abstract
Inhibition of 12-O-tetradecanoylphorbol-13-acetate and other skin tumor-promoter-caused induction of epidermal interleukin-1 alpha mRNA and protein expression in SENCAR mice by green tea polyphenols: S.K. Katiyar, et al.; J. Invest. Dermatol. 105, 394 (1995) Abstract
Growth inhibition and regression of human prostate and breast tumors in athymic mice by tea epigallocatechin gallate: S. Liao, et al.; Cancer Lett. 96, 239 (1995) Abstract
Inhibition of N-methyl-N'-nitro-N-nitrosoguanidine-induced carcinogenesis by (-)-epigallocatechin gallate in the rat glandular stomach: T. Yamane, et al.; Cancer Res. 55, 2081 (1995) Abstract
(-)-Epigallocatechin gallate, a polyphenolic tea antioxidant, inhibits peroxynitrite-mediated formation of 8-oxodeoxyguanosine and 3-nitrotyrosine: E.S. Fiala, et al.; Experientia 52, 922 (1996) Abstract
Green tea constituent epigallocatechin-3-gallate and induction of apoptosis and cell cycle arrest in human carcinoma cells: N. Ahmad, et al.; J. Natl. Cancer Inst. 89, 1881 (1997) Abstract
Inhibition of inducible nitric oxide synthase gene expression and enzyme activity by epigallocatechin gallate, a natural product from green tea: M.M. Chan, et al.; Biochem. Pharmacol. 54, 1281 (1997) Abstract
(-)-Epigallocatechin-3-gallate blocks the induction of nitric oxide synthase by down-regulating lipopolysaccharide-induced activity of transcription factor nuclear factor-kappaB: Y.L. Lin & J.K. Lin; Mol. Pharmacol. 52, 465 (1997) Abstract
Telomerase inhibition, telomere shortening, and senescence of cancer cells by tea catechins: I. Naasani, et al.; BBRC 249, 391 (1998) Abstract
Epigallocatechin suppression of proliferation of vascular smooth muscle cells: correlation with c-jun and JNK: L.H. Lu, et al.; Br. J. Pharmacol. 124, 1227 (1998) Abstract
ESR study on the structure-antioxidant activity relationship of tea catechins and their epimers: Q. Guo, et al.; Biochim. Biophys. Acta 1427, 13 (1999) Abstract
Pharmacokinetics of the green tea derivative, EGCG, by the topical route of administration in mouse and human skin: K. Dvorakova, et al.; Cancer Chemother. Pharmacol. 43, 331 (1999) Abstract
Polyphenolic antioxidant (-)-epigallocatechin-3-gallate from green tea reduces UVB-induced inflammatory responses and infiltration of leukocytes in human skin: S.K. Katiyar, et al.; Photochem. Photobiol. 69, 148 (1999) Abstract
Antioxidant chemistry of green tea catechins. Identification of products of the reaction of (-)-epigallocatechin gallate with peroxyl radicals: S. Valcic, et al.; Chem. Res. Toxicol. 12, 382 (1999) Abstract
Antimutagenic and anticarcinogenic activity of tea polyphenols: Y. Kuroda & Y. Hara; Mutat. Res. 436, 69 (1999) Abstract
Inhibitory effect of green and black tea on tumor growth: A.H. Conney, et al.; Proc. Soc. Exp. Biol. Med. 220, 229 (1999) Abstract
Green tea epigallocatechin gallate: a natural inhibitor of fatty-acid synthase: X. Wang & W. Tian; BBRC 288, 1200 (2001) Abstract
Epigallocatechin gallate, a constituent of green tea, represses hepatic glucose production: M.E. Waltner-Law, et al.; J. Biol. Chem. 277, 34933 (2002) Abstract; Full Text
The specificities of protein kinase inhibitors: an update:: J. Bain, et al.; Biochem. J. 371, 199 (2003) Abstract; Full Text
Selective inhibition of ADAMTS-1, -4 and -5 by catechin gallate esters: M.N. Vankemmelbeke, et al.; Eur. J. Biochem. 270, 2394 (2003) Abstract
Epigallocatechin-3-gallate, constituent of green tea, suppresses the LPS-induced phenotypic and functional maturation of murine dendritic cells through inhibition of mitogen-activated protein kinases and NF-kappaB: S.C. Ahn, et al.; BBRC 313, 148 (2004) Abstract
Epigallocatechin-3-gallate inhibits epidermal growth factor receptor signaling pathway. Evidence for direct inhibition of ERK1/2 and AKT kinases: J.F. Sah, et al.; J. Biol. Chem. 279, 12755 (2004) Abstract
Inhibition of c-Jun NH2-terminal kinase activity improves ischemia/reperfusion injury in rat lungs: M. Ishii, et al.; J. Immunol. 172, 2569 (2004) Abstract
A constituent of green tea, epigallocatechin-3-gallate, activates endothelial nitric oxide synthase by a phosphatidylinositol-3-OH-kinase-, cAMP-dependent protein kinase-, and Akt-dependent pathway and leads to endothelial-dependent vasorelaxation: M. Lorenz, et al.; J. Biol. Chem. 279, 6190 (2004) Abstract; Full Text
Green tea polyphenols prevent toxin-induced hepatotoxicity in mice by down-regulating inducible nitric oxide-derived prooxidants: J.H. Chen, et al.; Am. J. Clin. Nutr. 80, 742 (2004) Abstract; Full Text
Neuroprotective effects of (-)-epigallocatechin gallate following hypoxia-ischemia-induced brain damage: novel mechanisms of action: B.A. Sutherland, et al.; FASEB J. 19, 258 (2005) Abstract; Full Text
Tea flavanols inhibit angiotensin-converting enzyme activity and increase nitric oxide production in human endothelial cells: I.A. Persson, et al.; J. Pharm. Pharmacol. 58, 1139 (2006) Abstract
General Literature References
Anticarcinogenic effects of (-)-epigallocatechin gallate: H. Fujiki, et al.; Prev. Med. 21, 503 (1992), (Review) Abstract
Absorption, metabolism and antioxidative effects of tea catechin in humans: T. Miyazawa; Biofactors 13, 55 (2000), (Review) Abstract
Inhibition of tumour invasion and angiogenesis by epigallocatechin gallate (EGCG), a major component of green tea: Y.D. Jung and L.M. Ellis; Int. J. Exp. Pathol. 82, 309 (2001), (Review) Abstract
Anti-invasive effects of green tea polyphenol epigallocatechin-3-gallate (EGCG), a natural inhibitor of metallo and serine proteases: R. Benelli, et al.; Biol. Chem. 383, 101 (2002), (Review) Abstract
 
 
ALX-350-359 Revised 07-Apr-08
16-epi-Latrunculin B
Add to Clipboard
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antiviral/anti-HIV Agents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-359-C100   100 µg 95.00 USD Add To Cart
Product Specification
FORMULA: C20H29NO5S
MW: 395.5
SOURCE/HOST: Isolated from Negombata magnifica.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in DMSO (25mg/ml) or 100% ethanol (25mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Has antiviral (herpes simplex type 1) activities and cytotoxic properties.
Product Specific Literature References
Latrunculin inhibits the microfilament-mediated processes during fertilization, cleavage and early development in sea urchins and mice: G. Schatten, et al.; Exp. Cell. Res. 166, 191 (1986) Abstract
Latrunculins--novel marine macrolides that disrupt microfilament organization and affect cell growth: I. Comparison with cytochalasin D: I. Spector, et al.; Cell Motility & Cytoskeleton 13, 127 (1989) Abstract
Effects of cytochalasin D and latrunculin B on mechanical properties of cells: T. Wakatsuki, et al.; J. Cell. Sci. 114, 1025 (2001) Abstract
Toward computing relative configurations: 16-epi-latrunculin B, a new stereoisomer of the actin polymerization inhibitor latrunculin B: T.R. Hoye, et al.; JACS 124, 7405 (2002) Abstract
General Literature References
Latrunculin inhibits the microfilament-mediated processes during fertilization, cleavage and early development in sea urchins and mice: G. Schatten, et al.; Exp. Cell. Res. 166, 191 (1986) Abstract
Inhibition of actin polymerization by latrunculin A: M. Coué, et al.; FEBS Lett. 213, 316 (1987) Abstract
Latrunculin A is a potent inhibitor of phagocytosis by macrophages: C.A. de Oliveira & B. Mantovani; Life Sci. 43, 1825 (1988) Abstract
Further Categories Containing This Product:
Other ToxinsHerpes Viruses/Related Products
 
 
ALX-350-254 Revised 10-Mar-08
Epoxomicin
Add to Clipboard
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Proteasome/Ubiquitin Modulators
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-254-C050   50 µg 132.00 USD Add To Cart
Product Specification
FORMULA: C28H50N4O7
MW: 554.7
CAS NUMBER: 134381-21-8
MERCK INDEX: 14: 3630
SOURCE/HOST: Synthetic.
PURITY: ≥95% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO (15mg/ml); insoluble in water.
ACTIVITY: kobs/[I] = 25’000M-1s-1 versus 20S proteasome.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Avoid freeze/thaw cycles. Protect from light.
IDENTITY: Identity determined by 1H-NMR.

Product Description
Cell permeable, potent and selective proteasome inhibitor originally isolated from Actinomycetes strain based on its potent in vivo antitumor activity. More potent inhibitor of the chymotrypsin-like activity of the proteasome than lactacystin. Effectively inhibits NF-κB activation in vitro and potently blocks inflammation in vivo in the mouse ear edema assay.
Product Specific Literature References
Epoxomicin, a new antitumor agent of microbial origin: M. Hanada, et al.; J. Antibiot. (Tokyo) 45, 1746 (1992) Abstract
Proteasome inhibition by the natural products epoxomicin and dihydroeponemycin: insights into specificity and potency: K.B. Kim, et al.; Bioorg. Med. Chem. Lett. 9, 3335 (1999) Abstract
Epoxomicin, a potent and selective proteasome inhibitor, exhibits in vivo antiinflammatory activity: L. Meng, et al.; PNAS 96, 10403 (1999) Abstract
Total synthesis of the potent proteasome inhibitor epoxomicin: a useful tool for understanding proteasome biology: N. Sin, et al.; Bioorg. Med. Chem. Lett. 9, 2283 (1999) Abstract
The selective proteasome inhibitors lactacystin and epoxomicin can be used to either up- or down-regulate antigen presentation at nontoxic doses: K. Schwarz, et al.; J. Immunol. 164, 6147 (2000) Abstract
Establishment and some characteristics of epoxomicin (a proteasome inhibitor) resistant variants of the human squamous cell carcinoma cell line, A431: K. Ohkawa, et al.; Int. J. Oncol. 24, 425 (2004) Abstract
 
 
ALX-270-341 Revised 28-Sep-07
Epoxyquinone G109 (racemic)
Add to Clipboard
PRODUCT LINE Neurobiology
PRODUCT CATEGORY Ceramides/Cerebrosides/Sphingolipids/Related Products
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-341-M002   2 mg 190.00 USD Add To Cart
Product Specification
FORMULA: C18H27NO4
MW: 321.4
CAS NUMBER: 163972-12-1 ((+)-enantiomer)
PURITY: ≥98%
APPEARANCE: Pale yellow powder.
SOLUBILITY: Soluble in DMSO or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Potent and selective irreversible inhibitor of neutral sphingomyelinase (N-SMase).
Product Specific Literature References
Manumycin A and its analogues are irreversible inhibitors of neutral sphingomyelinase: C. Arenz, et al.; ChemBioChem 2, 141 (2001) Abstract
Endothelial apoptosis induced by inhibition of integrins αvβ3 and αvβ5 involves ceramide metabolic pathways: A. Erdreich-Epstein, et al.; Blood 105, 4353 (2005) Abstract
Further Categories Containing This Product:
Other Toxins
 
 
ALX-350-322 Revised 20-Feb-08
Equisetin