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Antitumor Agents (Apoptosis Inducers)
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ALX-480-100 Revised 27-Mar-08 New product
Fludarabine
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SYNONYMS 2-Fluoroadenine-9-β-D-arabinofuranoside
PRODUCT LINE Cancer
PRODUCT CATEGORY Antitumor Agents (Apoptosis Inducers)
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-480-100-M005   5 mg 45.00 USD Add To Cart
ALX-480-100-M025   25 mg 180.00 USD Add To Cart
Product Specification
FORMULA: C10H12FN5O4
MW: 285.2
CAS NUMBER: 21679-14-1
MERCK INDEX: 14: 4126
RTECS: AU6207000
PURITY: ≥98% (HPLC)
APPEARANCE: White to pale yellow crystalline powder.
SOLUBILITY: Sparingly soluble in water or organic solvents.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
IDENTITY: Determined by IR.

Product Description

Prodrug converted to the free nucleoside 9-β-D-arabinosyl-2-fluoroadenine (F-ara-A). F-ara-A enters cells and accumulates as the 5’-triphosphate. Interferes with DNA synthesis and repair. Induces apoptosis of cancer cells. Inhibits RNA transcription.

Product Specific Literature References
Fludarabine: a new agent with major activity against chronic lymphocytic leukemia: M.J. Keating, et al.; Blood 74, 19 (1989) Abstract; Full Text
Termination of DNA synthesis by 9-beta-D-arabinofuranosyl-2-fluoroadenine. A mechanism for cytotoxicity: P. Huang, et al.; J. Biol. Chem. 265, 16617 (1990) Abstract; Full Text
Action of 9-beta-D-arabinofuranosyl-2-fluoroadenine on RNA metabolism: P. Huang & W. Plunkett; Mol. Pharmacol. 39, 449 (1991) Abstract
Inhibition of RNA transcription: a biochemical mechanism of action against chronic lymphocytic leukemia cells by fludarabine: P. Huang, et al.; Leukemia 14, 1405 (2000) Abstract
Role of fludarabine in hematological malignancies: M. Montillo, et al.; Expert Rev. Anticancer Ther. 6, 1141 (2006) Abstract
Fludarabine-mediated suppression of the excision repair enzyme ERCC1 contributes to the cytotoxic synergy with the DNA minor groove crosslinking agent SJG-136 (NSC 694501) in chronic lymphocytic leukaemia cells: C. Pepper, et al.; Br. J. Cancer 97, 253 (2007) Abstract
Fludarabine induces apoptosis of human T-cell leukemia virus type 1-infected T cells via inhibition of the nuclear factor-kappaB signal pathway: C. Nishioka, et al.; Leukemia 21, 1044 (2007) Abstract
 
 
ALX-480-099 Revised 25-Mar-08 New product
5-Fluorouracil
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SYNONYMS 5-FU
2,4-Dioxo-5-fluoropyrimidine
5-Fluoro-2,4(1H,3H)-pyrimidinedione
PRODUCT LINE Cancer
PRODUCT CATEGORY Antitumor Agents (Apoptosis Inducers)
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ALX-480-099-G001   1 g 15.00 USD Add To Cart
ALX-480-099-G005   5 g 60.00 USD Add To Cart
Product Specification
FORMULA: C4H3FN2O2
MW: 130.1
CAS NUMBER: 51-21-8
MERCK INDEX: 14: 4181
RTECS: YR0350000
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white crystalline powder.
SOLUBILITY: Soluble in DMSO (5mg/ml), dimethyl formamide (5mg/ml), methanol (1mg/ml) or hot water (1mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: HARMFUL.
IDENTITY: Determined by IR and UV.

Product Description

Potent antitumor agent. Inhibits thymidylate synthetase. Induces p53-dependent apoptosis.

Product Specific Literature References
Apoptosis of human primary and metastatic colon adenocarcinoma cell lines in vitro induced by 5-fluorouracil, verapamil, and hyperthermia: I.B. Shchepotin, et al.; Anticancer Res. 14, 1027 (1994) Abstract
Modulation of the equilibrative nucleoside transporter by inhibitors of DNA synthesis: J. Pressacco, et al.; Br. J. Cancer 72, 939 (1995) Abstract
Nucleoside-mediated mitigation of 5-fluorouracil-induced toxicity in synchronized murine erythroleukemic cells: K.H. Elstein, et al.; Toxicol. Appl. Pharmacol. 146, 29 (1997) Abstract
Effects of perturbations of pools of deoxyribonucleoside triphosphates on expression of ribonucleotide reductase, a G1/S transition state enzyme, in p53-mutated cells: S. Wadler, et al.; Biochem. Pharmacol. 55, 1353 (1998) Abstract
Chemically-induced apoptosis: p21 and p53 as determinants of enterotoxin activity: D.M. Pritchard, et al.; Toxicol. Lett. 102, 19 (1998) Abstract
Effect of 5-fluorouracil on cell cycle regulatory proteins in human colon cancer cell line: H. Takeda, et al.; Jpn. J. Cancer Res. 90, 677 (1999) Abstract
5-fluorouracil sensitivity and dihydropyrimidine dehydrogenase activity in advanced gastric cancer: T. Inada, et al.; Anticancer Res. 20, 2457 (2000) Abstract
Further Categories Containing This Product:
DNA Replication Other Products
 
 
ALX-350-006 Revised 05-Apr-08
Genistein (synthetic)
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SYNONYMS 4',5,7-Trihydroxyisoflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-006-M010   10 mg 25.00 USD Add To Cart
ALX-350-006-M025   25 mg 50.00 USD Add To Cart
ALX-350-006-M050   50 mg 90.00 USD Add To Cart
ALX-350-006-M100   100 mg 150.00 USD Add To Cart
ALX-350-006-G001   1 g 480.00 USD Add To Cart
Product Specification
FORMULA: C15H10O5
MW: 270.2
CAS NUMBER: 446-72-0
MERCK INDEX: 14: 4391
RTECS: NR2392000
SOURCE/HOST: Synthetic.
PURITY: ≥99% (HPLC)
APPEARANCE: White to yellow crystalline powder.
SOLUBILITY: Soluble in DMSO, 100% ethanol or dilute aqueous base; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.
HAZARD: MAY BE CARCINOGENIC. HARMFUL.

Product Description
Tyrosine protein kinase inhibitor. Inhibits phosphorylation of EGFR kinase. Inhibits tumor cell proliferation and induces tumor cell differentiation. Inhibits topoisomerase II activity in vivo. Produces cell cycle arrest and apoptosis. Direct inhibitor of insulin-induced glucose uptake in adipocytes (IC50=20µM).
Product Specific Literature References
Genistein, a specific inhibitor of tyrosine-specific protein kinases: T. Akiyama, et al.; J. Biol. Chem. 262, 5592 (1987) Abstract; Full Text
Erbstatin blocks platelet activating factor-induced protein-tyrosine phosphorylation, polyphosphoinositide hydrolysis, protein kinase C activation, serotonin secretion and aggregation of rabbit platelets: H. Salari, et al.; FEBS Lett. 263, 104 (1990) Abstract
Mechanisms of cancer chemoprevention by soy isoflavone genistein: F.H. Sarkar & Y. Li; Cancer Metastasis Rev. 21, 265 (2002) Abstract
Soy isoflavone phyto-pharmaceuticals in interleukin-6 affections. Multi-purpose nutraceuticals at the crossroad of hormone replacement, anti-cancer and anti-inflammatory therapy: N. Dijsselbloem, et al.; Biochem. Pharmacol. 68, 1171 (2004), Review Abstract
Genistein affects testosterone secretion by Leydig cells in roosters (Gallus gallus domesticus): M. Opalka, et al.; Reprod. Biol. 4, 185 (2004) Abstract
Genistein directly inhibits GLUT4-mediated glucose uptake in 3T3-L1 adipocytes: M. Bazuine, et al.; BBRC 325, 511 (2005) Abstract
Decreased circulating levels of tumor necrosis factor-alpha in postmenopausal women during consumption of soy-containing isoflavones: Y. Huang, et al.; J. Clin. Endocrinol. Metab. 90, 3956 (2005) Abstract
Phytoestrogens and lipoproteins in women: C.N. Bairey Merz, et al.; J. Clin. Endocrinol. Metab. 91, 2209 (2006) Abstract
Clinical review: a critical evaluation of the role of soy protein and isoflavone supplementation in the control of plasma cholesterol concentrations: A. Dewell, et al.; J. Clin. Endocrinol. Metab. 91, 772 (2006), Review Abstract
The role of genistein and synthetic derivatives of isoflavone in cancer prevention and therapy: F.H. Sarkar, et al.; Mini Rev. Med. Chem. 6, 401 (2006), Review Abstract
 
 
ALX-350-113 Revised 28-May-08
Gossypol
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SYNONYMS 2,2’-bis[8-Formyl-1,6,7-trihydroxy-5-isopropyl-3-
methylnaphthalene]
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
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ALX-350-113-M100   100 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C30H30O8
MW: 518.6
CAS NUMBER: 303-45-7
MERCK INDEX: 14: 4528
RTECS: DU3100000
SOURCE/HOST: Isolated from Gossypium genus, Malvaceae.
PURITY: ≥90%
APPEARANCE: Off-white to yellow solid.
SOLUBILITY: Soluble in acetone or DMSO; sparingly soluble in 100% ethanol (2mg/ml) or methanol (2mg/ml). Insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.
HAZARD: MAY BE CARCINOGENIC. HARMFUL.

Product Description
Mixture of ~65% (+)- and ~35% (-)-enantiomers. Male antifertility agent. Shows antitumor, antiviral and antioxidant actions. Small molecule inhibitor of Bcl-2/Bcl-XL. Induces apoptosis. Synergizes with radiation and chemotherapy in vitro. Reversible inhibitor of protein phosphatase 2B (PP2B; calcineurin). Protein kinase C (PKC) inhibitor.
Product Specific Literature References
Binding of gossypol to purified tubulin and inhibition of its assembly into microtubules: F.J. Medrano and J.M. Andreu; Eur. J. Biochem. 158, 63 (1986) Abstract
Differential inhibition of protein kinase C subtypes: J.M. Pelosin, et al.; BBRC 169, 1040 (1990) Abstract
Induction of apoptotic DNA fragmentation and cell death in HL-60 human promyelocytic leukemia cells by pharmacological inhibitors of protein kinase C: W.D. Jarvis, et al.; Cancer Res. 54, 1707 (1994) Abstract
Gossypol arrests human benign prostatic hyperplastic cell growth at G0/G1 phase of the cell cycle: F. Shidaifat, et al.; Anticancer Res. 17, 1003 (1997) Abstract
Inhibition of huntingtin fibrillogenesis by specific antibodies and small molecules: implications for Huntington’s disease therapy: V. Heiser, et al.; PNAS 97, 6739 (2000) Abstract; Full Text
Cytotoxic effect of gossypol on colon carcinoma cells: X. Wang, et al.; Life Sci. 67, 2663 (2000) Abstract
Reversible inhibition of calcineurin by the polyphenolic aldehyde gossypol: R. Baumgrass, et al.; J. Biol. Chem. 276, 47914 (2001) Abstract; Full Text
Toxicity of (+)- and (-)-gossypol to the plant pathogen, Rhizoctonia solani: L.S. Puckhaber, et al.; J. Agric. Food Chem. 50, 7017 (2002) Abstract
Telomerase inhibitors in anticancer therapy: gossypol as a potential telomerase inhibitor: M. Mego; Bratisl. Lek. Listy 103, 378 (2002) Abstract
An in vitro study of inhibitory activity of gossypol, a cottonseed extract, in human carcinoma cell lines: M. Le Blanc, et al.; Pharmacol. Res. 46, 551 (2002) Abstract
Gossypol induces chloride secretion in rat proximal colon: G. Kuhn, et al.; Eur. J. Pharmacol. 457, 187 (2002) Abstract
Determination of the absolute configuration and solution conformation of gossypol by vibrational circular dichroism: T.B. Freedman, et al.; Chirality 15, 196 (2003) Abstract
In vitro effects of the BH3 mimetic, (-)-gossypol, on head and neck squamous cell carcinoma cells: C.L. Oliver, et al.; Clin. Cancer Res. 10, 7757 (2004) Abstract; Full Text
The inhibitory effects of gossypol on human prostate cancer cells-PC3 are associated with transforming growth factor beta1 (TGFbeta1) signal transduction pathway: J. Jiang, et al.; Anticancer Res. 24, 19 (2004) Abstract
(-)-Gossypol enhances response to radiation therapy and results in tumor regression of human prostate cancer: L. Xu, et al.; Mol. Cancer Ther. 4, 197 (2005) Abstract; Full Text
Investigations on gossypol: past and present developments: K. Dodou; Expert Opin. Investig. Drugs 14, 1419 (2005) Abstract
An in vitro study of cytotoxic effects of gossypol on human epidermoid larynx carcinoma cell line (HEp-2): E. Konac, et al.; Exp. Oncol. 27, 81 (2005) Abstract; Full Text
 
 
ALX-350-120 Revised 01-Apr-08 New product
Helenalin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
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ALX-350-120-MC05   0.5 mg 240.00 USD Add To Cart
Product Specification
FORMULA: C15H18O4
MW: 262.3
CAS NUMBER: 6754-13-8
SOURCE/HOST: Isolated from Arnica chamissonis.
PURITY: ≥97% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO (10mg/ml) or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: TOXIC.
IDENTITY: Identity determined by 1H-NMR.

Product Description
Potent anti-inflammatory and antineoplastic agent. Induces a CD95 death receptor-independent apoptosis even when the mitochondria protecting proteins Bcl-XLor Bcl-2 are overexpressed. Also an inhibitor of NF-κB.
Product Specific Literature References
Helenalin, an anti-inflammatory sesquiterpene lactone from Arnica, selectively inhibits transcription factor NF-kappaB: G. Lyss, et al.; J. Biol. Chem. 378, 951 (1997) Abstract
The anti-inflammatory sesquiterpene lactone helenalin inhibits the transcription factor NF-kappaB by directly targeting p65: G. Lyss, et al; J. Biol. Chem. 273, 33508 (1998) Abstract
Constituents of Helenium species.XIII. The structure of Helenalin and Mexicanin A: W. Herz, et al.; JACS 85, 19 (1963)
 
 
ALX-350-097 Revised 16-Jun-08
Hyperforin . dicyclohexylammonium salt (high purity)
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Neurological Research
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ALX-350-097-C500   500 µg 130.00 USD Add To Cart
ALX-350-097-M001   1 mg 210.00 USD Add To Cart
Product Specification
FORMULA: C35H51O4 . C12H24N
MW: 535.8 . 182.3
CAS NUMBER: 11079-53-1 (non-salt form)
SOURCE/HOST: Isolated from St. John's wort (Hypericum perforatum).
PURITY: ≥97% (HPLC)
APPEARANCE: White to off-white powder.
PURITY DETAIL: Contains <3% adhyperforin.
SOLUBILITY: Soluble in DMSO, methanol or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Keep under inert gas. Protect from light.

Product Description
Major constituent of St. John’s wort, a herbal remedy widely used for the treatment of depression. Inhibits the reuptake of neurotransmitters in synapses. Activator of the pregnane X receptor (PXR), which serves as a key regulator of CYP3A4 transcription, a member of the cytochrome (CYP) P450 enzyme system. Specifically activates TRPC6 channels. Represents an interesting lead-structure for a new class of antidepressants. Displays several other biological properties of potential pharmacological interest, including antibacterial, anti-inflammational, antitumoral and anti-angiogenic effects. Induces apoptosis in various cancer cells.
Product Specific Literature References
Hyperforin as a possible antidepressant component of hypericum extracts: S.S. Chatterjee, et al.; Life Sci. 63, 499 (1998) Abstract
Hyperforin attenuates various ionic conductance mechanisms in the isolated hippocampal neurons of rat: S. Chatterjee, et al.; Life Sci. 65, 2395 (1999) Abstract
Antibacterial activity of hyperforin from St John's wort, against multiresistant Staphylococcus aureus and gram-positive bacteria: C.M. Schempp, et al.; Lancet 353, 2129 (1999) Abstract
Hyperforin, a major antidepressant constituent of St. John's Wort, inhibits serotonin uptake by elevating free intracellular Na+1: A. Singer, et al.; J. Pharmacol. Exp. Ther. 290, 1363 (1999) Abstract
St. John's wort induces hepatic drug metabolism through activation of the pregnane X receptor: L.B. Moore, et al.; PNAS 97, 7500 (2000) Abstract
Inhibition of human cytochrome P450 enzymes by constituents of St. John's Wort, an herbal preparation used in the treatment of depression: R.S. Obach; J. Pharmacol. Exp. Ther. 294, 88 (2000) Abstract
St John's wort, a herbal antidepressant, activates the steroid X receptor: J.M. Wentworth, et al.; J. Endocrinol. 166, R11 (2000) Abstract
St John's wort (Hypericum perforatum L.): a review of its chemistry, pharmacology and clinical properties: J. Barnes, et al.; J. Pharm. Pharmacol. 53, 583 (2001), (Review) Abstract
St John's wort: Prozac from the plant kingdom: G. Di Carlo, et al.; TIPS 22, 292 (2001), (Review) Abstract
Effect of St. John's wort on free radical production: E.J. Hunt, et al.; Life Sci. 69, 181 (2001) Abstract
Hypericum perforatum (St John's Wort): a non-selective reuptake inhibitor? A review of the recent advances in its pharmacology: P.J. Nathan; J. Psychopharmacol. 15, 47 (2001), (Review) Abstract
Aristoforin, a novel stable derivative of hyperforin, is a potent anticancer agent: M. Gartner, et al.; Chembiochem 6, 171 (2005) Abstract
Hyperforin, a new lead compound against the progression of cancer and leukemia?: C. Quiney, et al.; Leukemia 20, 1519 (2006), (Review) Abstract
Hyperforin a key constituent of St. John’s wort specifically activates TRPC6 channels: K. Leuner, et al.; FASEB J. 21, 4101 (2007) Abstract
 
 
ALX-380-260 Revised 07-Apr-08
Idarubicin . hydrochloride
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SYNONYMS Idamycin
DMDR
4-Demethoxydaunorubicin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Apoptosis Inducers & Inhibitors
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ALX-380-260-M001   1 mg 45.00 USD Add To Cart
ALX-380-260-M005   5 mg 180.00 USD Add To Cart
Product Specification
FORMULA: C26H27NO9 . HCl
MW: 497.5 . 36.5
CAS NUMBER: 57852-57-0
MERCK INDEX: 14: 4886
RTECS: HB7877000
SOURCE/HOST: Synthetic.
PURITY: ≥98%
APPEARANCE: Orange crystalline solid.
SOLUBILITY: Soluble in water or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: VERY TOXIC. MAY BE TERATOGENIC. MAY BE CARCINOGENIC.

Product Description
More potent, lipophilic and antineoplastic analog of daunorubicin. DNA-damaging effect includes DNA oxidation and methylation, DNA intercalation, inhibition of DNA synthesis, induction of DNA strand breaks and delay of cell cycle progression. Inhibitor of topoisomerase IIα. Produces endonucleolytic cleavage and is a marker of apoptosis.
Product Specific Literature References
Idarubicin (4-demethoxydaunorubicin). A preliminary overview of preclinical and clinical studies: F. Ganzina, et al.; Invest. New Drugs 4, 85 (1986), Review Abstract
Antitumor activity of idarubicin, a derivative of daunorubicin, against drug sensitive and resistant P388 leukemia: T. Tsuruo, et al.; Anticancer Res. 13, 357 (1993) Abstract
Study of apoptosis-related responses of leukemic blast cells to in vitro anthracycline treatment: M.A. Belaud-Rotureau, et al.; Leukemia 14, 1266 (2000) Abstract
A comparison of the in vitro genotoxicity of anticancer drugs idarubicin and mitoxantrone: J. Blasiak, et al.; Acta Biochim. Pol. 49, 145 (2002) Abstract; Full Text
Repair of idarubicin-induced DNA damage: A cause of resistance?: D.C. Dartsch & F. Gieseler; DNA Repair (Amst) 6, 1618 (2007) Abstract
 
 
ALX-420-039 Revised 14-Aug-08
Imiquimod
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SYNONYMS 1-(2-Methylpropyl)-1H-imidazo[4,5-c]quinolin-4-amine
R-837
PRODUCT LINE Inflammation
PRODUCT CATEGORY TLR Agonists Other Products
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ALX-420-039-M100   100 mg 55.00 USD Add To Cart