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ALX-380-078 Revised 07-Apr-08
Josamycin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Other Antibiotics for Cancer Research
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ALX-380-078-M100   100 mg 30.00 USD Add To Cart
Product Specification
FORMULA: C42H69NO15
MW: 828.0
CAS NUMBER: 16846-24-5
MERCK INDEX: 14: 5267
RTECS: OH4725810
SOURCE/HOST: Isolated from Streptomyces narbonenensis, var. josamyceticus nov. var.
PURITY: ≥98%
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in methanol, 100% ethanol, acetone, ethyl acetate, dioxane, or acidic water.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: +4°C

Product Description
Macrolide antibiotic that may overcome anticancer drug resistance by inhibiting the binding of vinblastine (Prod. No. ALX-350-257) or cyclosporin A (Prod. No. ALX-380-002) to P-glycoprotein (Pgp).
Product Specific Literature References
A new antibiotic, josamyicn. I. Isolation and physico-chemical characteristics: T. Osono, et al.; J. Antibiot. (Tokyo) 20, 174 (1967) Abstract
Reversal of anticancer drug resistance by macrolide antibiotics in vitro and in vivo: L. Wang, et al.; Clin. Exp. Pharmacol. Physiol. 27, 587 (2000) Abstract
Kinetics of macrolide action: the josamycin and erythromycin cases: M. Lovmar, et al.; J. Biol. Chem. 279, 53506 (2004) Abstract
Further Categories Containing This Product:
MDR Inhibitors
 
 
ALX-380-079 Revised 08-Apr-08
Rebeccamycin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
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ALX-380-079-C250   250 µg 120.00 USD Add To Cart
ALX-380-079-M001   1 mg 360.00 USD Add To Cart
Product Specification
FORMULA: C27H21Cl2N3O7
MW: 570.4
CAS NUMBER: 93908-02-2
SOURCE/HOST: Isolated from Streptomyces sp.
PURITY: ≥98% (HPLC)
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO.
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.
HANDLING: After reconstitution, prepare aliquots and store at -20°C. Protect from light.

Product Description
Antibiotic. Weak topoisomerase I inhibitor structurally similar to staurosporine (Prod. No. ALX-380-014). Does not show any inhibitory activity against protein kinases. Shows significant antitumor properties in vitro (IC50=480nM against mouse B16 melanoma cells and IC50=500nM against P388 leukemia cells).
Product Specific Literature References
Production and biological activity of rebeccamycin, a novel antitumor agent: J.A. Bush, et al.; J. Antibiot. (Tokyo) 40, 668 (1987) Abstract
Syntheses and biological activities (topoisomerase inhibition and antitumor and antimicrobial properties) of rebeccamycin analogues bearing modified sugar moieties and substituted on the imide nitrogen with a methyl group: F. Anizon, et al.; J. Med. Chem. 40, 3456 (1997) Abstract
DNA cleavage by topoisomerase I in the presence of indolocarbazole derivatives of rebeccamycin: C. Bailly, et al.; Biochemistry 36, 3917 (1997) Abstract
Calories from carbohydrates: energetic contribution of the carbohydrate moiety of rebeccamycin to DNA binding and the effect of its orientation on topoisomerase I inhibition: C. Bailly, et al.; Chem. Biol. 6, 277 (1999) Abstract
Further Categories Containing This Product:
Antitumor Agents (Enzyme Inhibitors) • Antibiotics - Topoisomerase Inhibitors
 
 
ALX-385-002 Revised 19-Nov-07
(±)-Catechin
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SYNONYMS (±)-3,3',4',5,7-Flavanpentol
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
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ALX-385-002-G001   1 g 80.00 USD Add To Cart
Product Specification
FORMULA: C15H14O6
MW: 290.3 (anhydrous basis)
CAS NUMBER: 7295-85-4
MERCK INDEX: 14: 1902
PURITY: ≥98% (HPLC)
APPEARANCE: White to yellow powder.
SOLUBILITY: Soluble in methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HAZARD: IRRITANT.

Product Description
Antioxidant flavonoid. Free radical scavenger. Has chemopreventive and antitumor properties.
Product Specific Literature References
Adjuvant chemoprevention of experimental cancer: catechin and dietary turmeric in forestomach and oral cancer models: M.A. Azuine & S.V. Bhide; J. Ethnopharmacol. 44, 211 (1994) Abstract
Chemoprevention of mammary tumor virus-induced and chemical carcinogen-induced rodent mammary tumors by natural plant products: S.V. Bhide, et al.; Breast Cancer Res. Treat. 30, 233 (1994) Abstract
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Flavonoids as anticancer agents: structure-activity relationship study: M. Lopez-Lazaro; Curr. Med. Chem. Anticancer Agents 2, 691 (2002), (Review) Abstract
In vitro biological properties of flavonoid conjugates found in vivo: G. Williamson, et al.; Free Radic. Res. 39, 457 (2005), (Review) Abstract
(+)-Catechin prevents ultraviolet B-induced human keratinocyte death via inhibition of JNK phosphorylation: W.B. Wu, et al.; Life Sci. 79, 801 (2006) Abstract
Antispasmodic, bronchodilator and vasodilator activities of (+)-catechin, a naturally occurring flavonoid: M.N. Ghayur, et al.; Arch. Pharm. Res. 30, 970 (2007) Abstract
Further Categories Containing This Product:
Active Substances from Fruit and Vegetables • Free Radical Scavengers • Flavonoids / Related Products • Natural Products - Antitumor Reagents • Natural Products - Chemopreventive Agents
 
 
ALX-385-005 Revised 21-May-08
Kaempferol
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SYNONYMS 3,4',5,7-Tetrahydroxyflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavonoids / Related Products
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ALX-385-005-M010   10 mg 40.00 USD Add To Cart
ALX-385-005-M050   50 mg 120.00 USD Add To Cart
Product Specification
FORMULA: C15H10O6
MW: 286.2
CAS NUMBER: 520-18-3
MERCK INDEX: 14: 5274
RTECS: LK9275200
PURITY: ≥90%
APPEARANCE: Yellow powder.
SOLUBILITY: Soluble in ether or 100% ethanol (hot); slightly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.
HAZARD: IRRITANT. MAY BE MUTAGENIC.

Product Description
Antioxidant flavonoid. Apoptosis inducer. Reversible inhibitor of fatty acid synthase (FAS).
Product Specific Literature References
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Presence of fatty acid synthase inhibitors in the rhizome of Alpinia officinarum hance: B.H. Li & W.X. Tian; J. Enzyme Inhib. Med. Chem. 18, 349 (2003) Abstract
Pharmacological inhibitors of Fatty Acid Synthase (FASN)--catalyzed endogenous fatty acid biogenesis: a new family of anti-cancer agents?: R. Lupu & J. A. Menendez; Curr. Pharm. Biotechnol. 7, 483 (2006), (Review) Abstract
Further Categories Containing This Product:
Active Substances from Fruit and Vegetables • Fatty Acid Synthase [FAS] / Related Products • Natural Products - Antioxidants • Natural Products - Apoptosis Inducers & Inhibitors • Natural Products - Chemopreventive Agents
 
 
ALX-385-007 Revised 07-Apr-08
Luteolin
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SYNONYMS 3',4',5,7-Tetrahydroxyflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavonoids / Related Products
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ALX-385-007-M010   10 mg 15.00 USD Add To Cart
ALX-385-007-M050   50 mg 45.00 USD Add To Cart
Product Specification
FORMULA: C15H10O6
MW: 286.2
CAS NUMBER: 491-70-3
MERCK INDEX: 14: 5614
RTECS: LK9275210
PURITY: ≥90%
APPEARANCE: Yellow powder.
SOLUBILITY: Soluble in methanol, alkaline solutions; slightly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C

Product Description
Antioxidant flavonoid. Inhibits VEGF-induced angiogenesis. Inhibitor of the catalytic activity of phosphoinositide 3-kinase (PI(3)K), whereas inhibition of PI(3)K by luteolin affects apoptosis via PI(3)K/Akt (protein kinase B; PKB) pathways and antimitotic effects via PI(3)K/p70S6K pathways. Inhibitor of fatty acid synthase (FAS). Apoptosis inducer.
Product Specific Literature References
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Luteolin inhibits vascular endothelial growth factor-induced angiogenesis; inhibition of endothelial cell survival and proliferation by targeting phosphatidylinositol 3'-kinase activity: E. Bagli, et al.; Cancer Res. 64, 7936 (2004)
Dietary flavonoids: bioavailability, metabolic effects, and safety: J.A. Ross & C.M. Kasum; Annu. Rev. Nutr. 221, 19 (2002), (Review) Abstract
Pharmacological inhibitors of Fatty Acid Synthase (FASN)--catalyzed endogenous fatty acid biogenesis: a new family of anti-cancer agents?: R. Lupu & J. A. Menendez; Curr. Pharm. Biotechnol. 7, 483 (2006), (Review) Abstract
Further Categories Containing This Product:
Fatty Acid Synthase [FAS] / Related Products • Free Radical Scavengers • Natural Products for Angiogenesis Research • Phosphoinositide 3-kinase [PI(3)K] / Related Products • Natural Products - Antioxidants • Natural Products - Apoptosis Inducers & Inhibitors
 
 
ALX-385-008 Revised 13-Mar-08
Apigenin
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SYNONYMS 4',5,7-Trihydroxyflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavonoids / Related Products
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ALX-385-008-M010   10 mg 35.00 USD Add To Cart
ALX-385-008-M050   50 mg 105.00 USD Add To Cart
Product Specification
FORMULA: C15H10O5
MW: 270.2
CAS NUMBER: 520-36-5
MERCK INDEX: 14: 730
SOURCE/HOST: Synthetic.
PURITY: ≥90% (HPLC)
APPEARANCE: Light yellow to slightly brown powder.
SOLUBILITY: Soluble in diluted potassium hydroxide or DMSO; slightly soluble in 100% ethanol (hot). Insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: IRRITANT.

Product Description
Antioxidant flavonoid. Has chemopreventive and antitumor properties. Induces apoptosis. Inhibits the proliferation of malignant tumor cells by G2/M arrest. MAP kinase (MAPK/ERK) inhibitor. Inhibits hypoxia-inducible factor-1 (HIF-1) and vascular endothelial growth factor (VEGF) expression.
Product Specific Literature References
Apigenin and tangeretin enhance gap junctional intercellular communication in rat liver epithelial cells: C. Chaumontet, et al.; Carcinogenesis 15, 2325 (1994) Abstract
Apigenin induces morphological differentiation and G2-M arrest in rat neuronal cells: F. Sato, et al.; BBRC 204, 578 (1994) Abstract
Reversion of v-H-ras-transformed NIH 3T3 cells by apigenin through inhibiting mitogen activated protein kinase and its downstream oncogenes: M.L. Kuo and N.C. Yang; BBRC 212, 767 (1995) Abstract
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Apigenin inhibits endothelial-cell proliferation in G(2)/M phase whereas it stimulates smooth-muscle cells by inhibiting P21 and P27 expression: V. Trochon, et al.; Int. J. Cancer 85, 691 (2000) Abstract
Induction of caspase-dependent, p53-mediated apoptosis by apigenin in human neuroblastoma: R. Torkin, et al.; Mol. Cancer Ther. 4, 1 (2005) Abstract
Apigenin and cancer chemoprevention: progress, potential and promise: D. Patel, et al.; Int. J. Oncol. 30, 233 (2007), (Review) Abstract
Apigenin inhibits tumor angiogenesis through decreasing HIF-1alpha and VEGF expression: J. Fang, et al.; Carcinogenesis 28, 858 (2007) Abstract
Apigenin-induced cell cycle arrest is mediated by modulation of MAPK, PI3K-Akt, and loss of cyclin D1 associated retinoblastoma dephosphorylation in human prostate cancer cells: S. Shukla & S. Gupta; Cell Cycle 6, 1102 (2007) Abstract
Apigenin blocks lipopolysaccharide-induced lethality in vivo and proinflammatory cytokines expression by inactivating NF-kappaB through the suppression of p65 phosphorylation: C. Nicholas, et al.; J. Immunol. 179, 7121 (2007) Abstract
Further Categories Containing This Product:
MAPK Pathway Inhibitors • Antitumor Agents (Enzyme Inhibitors) • Natural Products for Angiogenesis Research • Hypoxia-inducible Factor [HIF] / Related Products • Natural Products - Protein Kinase Inhibitors • Natural Products - Antioxidants • Antitumor Agents (Anti-proliferative) • Natural Products - Antitumor Reagents • Natural Products - Apoptosis Inducers & Inhibitors
 
 
ALX-385-009 Revised 03-Apr-08
Chrysin
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SYNONYMS 5,7-Dihydroxyflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavonoids / Related Products
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ALX-385-009-G001   1 g 15.00 USD Add To Cart
Product Specification
FORMULA: C15H10O4
MW: 254.2
CAS NUMBER: 480-40-0
MERCK INDEX: 14: 2256
RTECS: LK8329050
PURITY: ≥96%
APPEARANCE: Yellow to tan solid.
SOLUBILITY: Soluble in pyridine or alkaline solutions; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C

Product Description
Antioxidant flavonoid. Shows anti-inflammatory and antitumor properties. Inhibits hypoxia-inducible factor-1α (HIF-1α). Induces apoptosis.
Product Specific Literature References
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Chrysin-induced apoptosis is mediated through caspase activation and Akt inactivation in U937 leukemia cells: K.J. Woo, et al.; Biochem. Biophys. Res. Commun. 325, 1215 (2004) Abstract
Chrysin induces G1 phase cell cycle arrest in C6 glioma cells through inducing p21Waf1/Cip1 expression: involvement of p38 mitogen-activated protein kinase: M.S. Weng, et al.; Biochem. Pharmacol. 69, 1815 (2005) Abstract
Dietary flavonoids: effects on xenobiotic and carcinogen metabolism:: Y.J. Moon, et al.; Toxicol. In Vitro 20, 187 (2006), (Review) Abstract
Chrysin inhibits expression of hypoxia-inducible factor-1alpha through reducing hypoxia-inducible factor-1alpha stability and inhibiting its protein synthesis: B. Fu, et al.; Mol. Cancer Ther. 6, 220 (2007) Abstract
Further Categories Containing This Product:
Hypoxia-inducible Factor [HIF] / Related Products • Natural Products - Antitumor Reagents • Natural Products - Anti-inflammatory Agents • Natural Products - Apoptosis Inducers & Inhibitors
 
 
ALX-385-010 Revised 08-Apr-08
(±)-Naringenin
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SYNONYMS (±)-4',5,7-Trihydroxyflavanone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavonoids / Related Products
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ALX-385-010-G001   1 g 15.00 USD Add To Cart
Product Specification
FORMULA: C15H12O5
MW: 272.3
CAS NUMBER: 67604-48-2
MERCK INDEX: 14: 6424
PURITY: ≥95%
APPEARANCE: Light yellow to tan powder.
SOLUBILITY: Soluble in 100% ethanol; almost insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HANDLING: Protect from light.
HAZARD: IRRITANT.

Product Description
Antioxidant flavonoid. Has anti-inflammatory and antitumor properties. Induces apoptosis. Stimulates DNA repair following oxidative damage. Inhibits the activity of phosphoinositide 3-kinase (PI(3)K).
Product Specific Literature References
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Naringenin inhibits phosphoinositide 3-kinase activity and glucose uptake in 3T3-L1 adipocytes: A. W. Harmon & Y. M. Patel; BBRC 305, 229 (2003) Abstract
The citrus flavonoid naringenin stimulates DNA repair in prostate cancer cells: K. Gao, et al.; J. Nutr. Biochem. 17, 89 (2006) Abstract
Naringenin-induced apoptosis via activation of NF-kappaB and necrosis involving the loss of ATP in human promyeloleukemia HL-60 cells: S. Kanno, et al.; Toxicol. Lett. 166, 131 (2006) Abstract
Inhibitory effect of naringenin chalcone on inflammatory changes in the interaction between adipocytes and macrophages: S. Hirai, et al.; Life Sci. 81, 1272 (2007) Abstract
Further Categories Containing This Product:
Active Substances from Fruit and Vegetables • Natural Products - Antioxidants • Natural Products - Antitumor Reagents • Natural Products - Anti-inflammatory Agents • Natural Products - Apoptosis Inducers & Inhibitors
 
 
ALX-385-012 Revised 19-Nov-07
Myricetin
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SYNONYMS 3,3',4',5,5',7-Hexahydroxyflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavonoids / Related Products
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ALX-385-012-M010   10 mg 35.00 USD Add To Cart
ALX-385-012-M050   50 mg 140.00 USD Add To Cart
Product Specification
FORMULA: C15H10O8
MW: 318.2
CAS NUMBER: 529-44-2
MERCK INDEX: 14: 6332
RTECS: LK8646000
PURITY: ≥97%
APPEARANCE: Light yellow-green crystals.
SOLUBILITY: Soluble in alcohol; slightly soluble in water (warm); insoluble in acetic acid.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HANDLING: Protect from light.

Product Description
Antioxidant flavonoid. Has antitumor and chemopreventive properties. Anti-inflammatory. Inhibits NF