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ALX-270-438 Revised 06-Dec-06
Dimethylenastron
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SYNONYMS 7,7-Dimethyl-4-(3-hydroxyphenyl)-5-oxo-3,4,5,6,7,8-hexahydroquinazolin-2(1H)-thione
PRODUCT LINE Cell Cycle
PRODUCT CATEGORY Cell Cycle Blockers & Inhibitors/Related Products
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ALX-270-438-M001   1 mg 75.00 USD Add To Cart
Product Specification
FORMULA: C16H18N2O2S
MW: 302.4
CAS NUMBER: 863774-58-7
PURITY: ≥95%
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO (10mg/ml) or methanol (5mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for at least 6 months when stored at -20°C in the dark.
HANDLING: Protect from light.
HAZARD: HARMFUL.
IDENTITY: Identity determined by 1H-NMR, 13C-NMR and MS.

Product Description
Potent, cell permeable non-tubulin-interacting mitosis inhibitor. Blocks mitosis (IC50=200nM) by binding to the mitotic kinesin Eg5.
Product Specific Literature References
Development and biological evaluation of potent and specific inhibitors of mitotic Kinesin Eg5: M. Gartner, et al.; ChemBioChem. 6, 1173 (2005) Abstract
Synthesis and biological evaluation of new tetrahydro-beta-carbolines as inhibitors of the mitotic kinesin Eg5: N. Sunder-Plassmann, et al.; Bioorg. Med. Chem. 13, 6094 (2005) Abstract
Inhibitors of kinesin Eg5: antiproliferative activity of monastrol analogues against human glioblastoma cells: C. Muller, et al.; Cancer Chemother. Pharmacol. 59, 157 (2007) Abstract
Further Categories Containing This Product:
Kinesin & Kinesin-like Proteins/Related Products
 
 
ALX-201-278 Revised 19-Mar-08
DNA Ligase I (human) (recombinant)
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SYNONYMS DNA Ligase 1 (human) (recombinant)
PRODUCT LINE DNA Regulation / Transcription
PRODUCT CATEGORY DNA Replication Other Products
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ALX-201-278-C010   10 µg 260.00 USD Add To Cart
Product Specification
MW: ~102kDa. Note: The mobility of DNA ligase I in a PAA gel is not corresponding to its MW; it runs at ~125kDa.
SOURCE/HOST: Produced in E. coli.
CONCENTRATION: 0.6mg/ml
PURITY: ≥95% (SDS-PAGE)
FORMULATION: Liquid. In 20mM HEPES-KOH, pH 7.5, containing 30mM sodium chloride, 1mM EDTA, 1mM DTT and 30% glycerol.
SHIPPING: SHIPPED ON DRY ICE
SHORT TERM STORAGE: -80°C
USE/STABILITY: Enzyme is freshly produced upon customer request and is stable for ~2 weeks at -80°C. Very prone to degradation even in the absence of proteases. Freeze in liquid nitrogen for long term storage.
HANDLING: After opening, prepare aliquots and store in liquid nitrogen. Avoid freeze/thaw cycles.
Product Specific Literature References
The checkpoint clamp, Rad9-Rad1-Hus1 complex, preferentially stimulates the activity of apurinic/apyrimidinic endonuclease 1 and DNA polymerase beta in long patch base excision repair: A. Gembka, et al.; Nucleic Acids Res. 35, 2596 (2007) Abstract; Full Text
Further Categories Containing This Product:
Recombinant Proteins/Fusion ProteinsDNA Repair Other Products
 
 
ALX-380-115 Revised 03-Apr-08
Echinosporin
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SYNONYMS NSC357683
XK 213
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
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ALX-380-115-M001   1 mg 90.00 USD Add To Cart
ALX-380-115-M005   5 mg 360.00 USD Add To Cart
Product Specification
FORMULA: C10H9NO5
MW: 223.2
CAS NUMBER: 79127-35-8
RTECS: JW5313000
SOURCE/HOST: Isolated from Streptomyces sp.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in dimethyl formamide, methanol or water.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Stock solutions are stable for at least 3 months when stored at -20°C.
HAZARD: HARMFUL.

Product Description
Antitumor antibiotic. Inhibits cell cycle at the G(2)/M phase and induces apoptosis.
Product Specific Literature References
A new antibiotic echinosporin (XK-213) - producing organism, isolation and characterization: T. Sato, et al.; J. Antibiot. 35, 266 (1982) Abstract
Antitumor activity of echinosporin: M. Morimoto and R. Imai; J. Antibiot. 38, 490 (1985) Abstract
Approaches to the total synthesis of the antitumor antibiotic echinosporin: M. A. Kinsella; J. Org. Chem. 55, 105 (1990)
Applications of an asymmetric [2 + 2]-photocycloaddition. Total synthesis of (-)-echinosporin. Construction of an advanced 11-deoxyprostaglandin intermediate: A. B. Smith; JACS 114, 2567 (1992)
Biosynthesis of the antibiotic echinosporin by a novel branch of the shikimate pathway: A. Dubeler; Eur. J. Org. Chem. 2002, 983 (2002)
Echinosporins as new cell cycle inhibitors and apoptosis inducers from marine-derived Streptomyces albogriseolus: C.B. Cui, et al.; Fitoterapia 78, 238 (2007) Abstract
 
 
ALX-270-389 Revised 17-Jul-07
Elbfluorene
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SYNONYMS 3-Acetyl-6-hydroxy-4-phenylbenzo[4,5]furo[2,3-b]pyridine
1-Aza-9-oxafluorene 5b
PRODUCT LINE DNA Regulation / Transcription
PRODUCT CATEGORY DNA Repair Other Products
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ALX-270-389-M001   1 mg 75.00 USD Add To Cart
ALX-270-389-M005   5 mg 300.00 USD Add To Cart
Product Specification
FORMULA: C19H13NO3
MW: 303.3
PURITY: ≥95% (HPLC)
APPEARANCE: Off-white to brownish powder.
SOLUBILITY: Soluble in DMSO. Insoluble in water or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C

Product Description
Selective inhibitor of CDK1/cyclin B (IC50=4.2µM) with some P-glycoprotein-modulating properties (inhibitory activity ratio 1.26 at 7µM). Weakly inhibits CDK5/p25 (6% inhibition at 10µM) with no effect on CDK2/cyclin E and CDK4/cyclin D1 (IC50>100µM).
Product Specific Literature References
Evaluation of the first cytostatically active 1-aza-9-oxafluorenes as novel selective CDK1 inhibitors with P-glycoprotein modulating properties: K. Brachwitz, et al.; J. Med. Chem. 46, 876 (2003) Abstract
Further Categories Containing This Product:
CDK & Cyclin Inhibitors
 
 
ALX-350-092 Revised 03-Apr-08
Emetine . dihydrochloride
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SYNONYMS 6’,7’,10,11-Tetramethoxyemetan . 2HCl
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - DNA Replication Inhibitors
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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-270-263 Revised 03-Apr-08
(-)-Epigallocatechin gallate
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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
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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-270-300 Revised 05-Apr-08
Fascaplysin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Cell Cycle Research
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ALX-270-300-M001   1 mg 60.00 USD Add To Cart
ALX-270-300-M005   5 mg 240.00 USD Add To Cart
Product Specification
FORMULA: C18H11N2OCl
MW: 306.8
SOURCE/HOST: Synthetic.
PURITY: ≥98%
APPEARANCE: Brown powder.
SOLUBILITY: Soluble in DMSO or methanol.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HANDLING: Keep under inert gas. Protect from light.
HAZARD: TOXIC.

Product Description
Originally isolated from a marine sponge. Selective CDK4/cyclin D1 (IC50=350nM) inhibitor (in an ATP competitive manner).
Product Specific Literature References
Fascaplysin, an unusual antimicrobial pigment from the marine sponge Fascaplysinopsis sponge: D.M. Roll, et al.; J. Org. Chem. 53, 3276 (1988)
A new bioactive sesterterpene and antiplasmodial alkaloids from the marine sponge hyrtios cf. erecta: G. Kirsch, et al.; J. Nat. Prod. 63, 825 (2000) Abstract
Inhibition of cyclin-dependent kinase 4 (Cdk4) by fascaplysin, a marine natural product: R. Soni, et al.; BBRC 275, 877 (2000) Abstract
DNA binding properties of the marine sponge pigment fascaplysin: A. Hormann, et al.; Bioorg. Med. Chem. 9, 917 (2001) Abstract
Further Categories Containing This Product:
CDK & Cyclin InhibitorsAlkaloids
 
 
ALX-350-124 Revised 05-Apr-08
Ferulenol
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products with Antibiotic Activity
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ALX-350-124-M001   1 mg 45.00 USD Add To Cart
ALX-350-124-M005   5 mg 135.00 USD Add To Cart
ALX-350-124-M010   10 mg 230.00 USD Add To Cart
Product Specification
FORMULA: C24H30O3
MW: 366.5
CAS NUMBER: 6805-34-1
SOURCE/HOST: Isolated from Ferula communis.
PURITY: ≥96%
APPEARANCE: Off-white solid.
SOLUBILITY: Soluble in DMSO, 100% ethanol and methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.

Product Description
Prenylated 4-hydroxycoumarin. Antitubercular antibiotic with potent activity against Mycobacteria. Exerts taxol-like and dose-dependent cytotoxicity against various human tumor cell lines. Stimulator of tubulin polymerisation in vitro and inhibitor of colchicine binding to tubulin. Antithrombotic, depressing the activity of all vitamin K-dependent coagulation factors. Shows lower acute toxicity and higher activity than warfarin. Shows hepatocyte toxicity.
Product Specific Literature References
Experimental studies on the toxicity of some compounds isolated from Ferula communis in the rat: S. Tagliapietra, et al.; Res. Commun. Chem. Pathol. Pharmacol. 66, 333 (1989) Abstract
Plasma ferulenol concentration and activity of clotting factors in sheep with Ferula communis variety brevifolia intoxication: N. Tligui, et al.; Am. J. Vet. Res. 55, 1564 (1994) Abstract
Antibacterial constituents from the rhizomes of Ferula communis: M.A. Al-Yahya, et al.; Phytother. Res. 12, 335 (1998)
Microtubule-interacting activity and cytotoxicity of the prenylated coumarin ferulenol: C. Bocca, et al.; Planta Med. 68, 1135 (2002) Abstract
Acute toxicity of ferulenol, a 4-hydroxycoumarin isolated from Ferula communis L: O. Fraigui, et al.; Vet. Hum. Toxicol. 44, 5 (2002) Abstract
Characterization of anti-coagulant properties of prenylated coumarin ferulenol: M. Monti, et al.; Biochim. Biophys. Acta 1770, 1437 (2007) Abstract
 
 
ALX-480-100 Revised 27-Mar-08 New product
Fludarabine