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ALX-350-276 Revised 16-Jun-08
Pseudohypericin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
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ALX-350-276-M001   1 mg 115.00 USD Add To Cart
ALX-350-276-M005   5 mg 460.00 USD Add To Cart
Product Specification
FORMULA: C30H16O9
MW: 520.5
CAS NUMBER: 55954-61-5
SOURCE/HOST: Isolated from Hypericum perforatum.
PURITY: ≥98%
APPEARANCE: Black to black-red powder.
SOLUBILITY: Soluble in methanol, 100% ethanol, DMSO, acetone and other organic solvents.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.
HAZARD: HARMFUL.

Product Description
Inhibitor of protein kinase C (PKC) (IC50=15µg/ml). Antiviral and antiretroviral activity. Potent inhibitor of dopamine-β-hydrolase (IC50=3µg/ml).
Product Specific Literature References
Zur Isolierung und Konstitution des Pseudohypericins : H. Brockmann, et al.; Tetrahedron Lett. 15, 1991 (1974)
Therapeutic agents with dramatic antiretroviral activity and little toxicity at effective doses: aromatic polycyclic diones hypericin and pseudohypericin: D. Meruelo, et al.; PNAS 85, 5230 (1988) Abstract
Studies of the mechanisms of action of the antiretroviral agents hypericin and pseudohypericin: G. Lavie, et al.; PNAS 86, 5963 (1989) Abstract
Hypericin and pseudohypericin specifically inhibit protein kinase C: possible relation to their antiretroviral activity: I. Takahashi, et al.; BBRC 165, 1207 (1989) Abstract
Biochemical activities of extracts from Hypericum perforatum L. 5th communication: dopamine-beta-hydroxylase-product quantification by HPLC and inhibition by hypericins and flavonoids: A. Denke, et al.; Arzneimittelforschung 50, 415 (2000) Abstract
Antagonist effect of pseudohypericin at CRF1 receptors: U. Simmen, et al.; Eur. J. Pharmacol. 458, 251 (2003) Abstract
Phototoxic and apoptosis-inducing capacity of pseudohypericin: C.M. Schempp, et al.; Planta Med. 68, 171 (2002) Abstract
 
 
ALX-350-294 Revised 16-Jun-08
Manzamine A
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
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ALX-350-294-M001   1 mg 195.00 USD Add To Cart
Product Specification
FORMULA: C36H44N4O
MW: 548.8
CAS NUMBER: 104196-68-1
SOURCE/HOST: Isolated from Xestospongia sp.
PURITY: >98% (HPLC)
FORMULATION: Yellow oil
SOLUBILITY: Soluble in DMSO, methanol or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
β-Carboline alkaloid with anti-inflammatory, antimalarial, antifungal, anti-HIV-1and insecticidal activity. Also active against the Gram-positive bacteria Bacillus subtilis and Staphylococcus aureus. Inhibits GSK-3. Has native fluorescence, highest when solubilized in methanol (Ex: 340nm, Em: 387nm).
Product Specific Literature References
Four new bioactive manzamine-type alkaloids from the Philippine marine sponge Xestospongia ashmorica: R.A. Edrada, et al.; J. Nat. Prod. 59, 1056 (1996) Abstract
In vivo antimalarial activity of the beta-carboline alkaloid manzamine A: K.K. Ang, et al.; Antimicrob. Agents Chemother. 44, 1645 (2000) Abstract; Full Text
Immune-mediated parasite clearance in mice infected with Plasmodium berghei following treatment with manzamine A: K.K. Ang, et al.; Parasitol. Res. 87, 715 (2001) Abstract
New manzamine alkaloids with activity against infectious and tropical parasitic diseases from an Indonesian sponge: K.V. Rao, et al.; J. Nat. Prod. 66, 823 (2003) Abstract
Spectrofluorimetric determination of manzamine A in spiked human urine and plasma: A. Khalil, et al.; Pharmazie 58, 385 (2003) Abstract
New manzamine alkaloids from an Indo-Pacific sponge. Pharmacokinetics, oral availability, and the significant activity of several manzamines against HIV-I, AIDS opportunistic infections, and inflammatory diseases: M. Yousaf, et al.; J. Med. Chem. 47, 3512 (2004) Abstract
Antimalarial activity of a new family of analogues of manzamine A: J.D. Winkler, et al.; Org. Lett. 8, 2591 (2006) Abstract
Glycogen synthase kinase-3 (GSK-3) inhibitory activity and structure-activity relationship (SAR) studies of the manzamine alkaloids. Potential for Alzheimer’s disease: M. Hamann, et al.; J. Nat. Prod. 70, 1397 (2007) Abstract
 
 
ALX-350-364 Revised 08-Apr-08
Psoralen
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SYNONYMS Ficusin
7H-Furo[3,2-g]benzopyran-7-one
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products with Antibiotic Activity
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ALX-350-364-M025   25 mg 95.00 USD Add To Cart
ALX-350-364-M100   100 mg 285.00 USD Add To Cart
Product Specification
FORMULA: C11H6O3
MW: 186.2
CAS NUMBER: 66-97-7
MERCK INDEX: 14: 7928
RTECS: LV0944000
SOURCE/HOST: Isolated from Psoralea corylifolia.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white crystalline solid.
SOLUBILITY: Soluble in ethyl acetate or acetone; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: MAY BE MUTAGENIC. HARMFUL.

Product Description
Shows antiviral, antibacterial, antifungal and insecticidal properties. Binds DNA through single and double-stranded cross-linking after photoactivation. Used as photochemical probe in studies of DNA mutation and repair mechanisms. Causes photosensitization in human.
Product Specific Literature References
Psoralen phototoxicity: correlation with serum and epidermal 8-methoxypsoralen and 5-methoxypsoralen in the guinea pig: A. Kornhauser, et al.; Science 217, 733 (1982) Abstract
Psoralens as photoactive probes of nucleic acid structure and function: organic chemistry, photochemistry, and biochemistry: G.D. Cimino, et al.; Annu. Rev. Biochem. 54, 1151 (1985), (Review) Abstract
Electron microscopic identification of supercoiled regions in complex DNA structures: R.B. Inman & M. Schnos; J. Mol. Biol. 193, 377 (1987) Abstract
Probing DNA structure with psoralen in vitro: D.W. Ussery, et al.; Meth. Enzymol. 212, 242 (1992) Abstract
DNA interstrand cross-links induced by psoralen are not repaired in mammalian mitochondria: C. Cullinane & V.A. Bohr; Cancer Res. 58, 1400 (1998) Abstract; Full Text
Psoralen photocrosslinking, a tool to study the chromatin structure of RNA polymerase I--transcribed ribosomal genes: M. Toussaint, et al.; Biochem. Cell Biol. 83, 449 (2005) Abstract
Psoralen-induced DNA adducts are substrates for the base excision repair pathway in human cells: S. Couve-Privat, et al.; Nucl. Acids Res. 35, 5672 (2007) Abstract; Full Text
Site-directed gene mutation at mixed sequence targets by psoralen-conjugated pseudo-complementary peptide nucleic acids: K.H. Kim, et al.; Nucl. Acids Res. 35, 7604 (2007) Abstract; Full Text
 
 
ALX-350-384 Revised 07-Oct-08 New product
Hispolon
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Apoptosis Inducers & Inhibitors
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ALX-350-384-M005   5 mg 70.00 USD Add To Cart
ALX-350-384-M025   25 mg 280.00 USD Add To Cart
Product Specification
FORMULA: C12H12O4
MW: 220.2
PURITY: ≥98% (HPLC)
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
IDENTITY: Identity determined by 1H-NMR.

Product Description
Polyphenolic compound. Induces ROS-mediated apoptosis. Has antiviral activity.
Product Specific Literature References
Inhibition of chemiluminescence response of human mononuclear cells and suppression of mitogen-induced proliferation of spleen lymphocytes of mice by hispolon and hispidin: N.A. Ali, et al.; Pharmazie 51, 667 (1996) Abstract
Antiviral activity of Inonotus hispidus: N.A. Awadh Ali, et al.; Fitoterapia 74, 483 (2003) Abstract
Hispolon induces apoptosis in human gastric cancer cells through a ROS-mediated mitochondrial pathway: W. Chen, et al.; Free Radic. Biol. Med. 45, 60 (2008) Abstract
Further Categories Containing This Product:
Natural Products - Antiviral / anti-HIV AgentsPolyphenols Other Products
 
 
ALX-380-099 Revised 03-Apr-08
Concanamycin C
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - ATPase Inhibitors
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ALX-380-099-C100   100 µg 30.00 USD Add To Cart
ALX-380-099-C500   500 µg 90.00 USD Add To Cart
Product Specification
FORMULA: C45H74O13
MW: 823.1
CAS NUMBER: 81552-34-3
RTECS: GK6887000
SOURCE/HOST: Isolated from Streptomyces sp.
PURITY: ≥96%
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in chloroform, methanol, acetonitrile or DMSO. Insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: VERY TOXIC.

Product Description
Antibiotic. Inhibits vacuolar-type H+-ATPase. Potential antiosteoporotic agent. Shows antiviral and immunosuppressive activity. Active against fungi and yeasts.
Product Specific Literature References
Structures of concanamycins B and C: H. Kinashi, et al.; J. Antibiot. (Tokyo) 35, 1618 (1982) Abstract
Isolation and characterization of concanamycins A, B and C: H. Kinashi, et al.; J. Antibiot. (Tokyo) 37, 1333 (1984) Abstract
Inhibitory effect of modified bafilomycins and concanamycins on P- and V-type adenosinetriphosphatases: S. Drose, et al.; Biochemistry 32, 3902 (1993) Abstract
Disruption of vma-1, the gene encoding the catalytic subunit of the vacuolar H(+)-ATPase, causes severe morphological changes in Neurospora crassa: E.J. Bowman, et al.; J. Biol. Chem. 275, 167 (2000) Abstract
Semisynthetic derivatives of concanamycin A and C, as inhibitors of V- and P-type ATPases: structure-activity investigations and developments of photoaffinity probes: S. Drose, et al.; Biochemistry 40, 2816 (2001) Abstract
 
 
ALX-385-022 Revised 07-Oct-08
Baicalein
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SYNONYMS 5,6,7-Trihydroxyflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavones
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ALX-385-022-M005   5 mg 25.00 USD Add To Cart
ALX-385-022-M025   25 mg 100.00 USD Add To Cart
Product Specification
FORMULA: C15H10O5
MW: 270.2
CAS NUMBER: 491-67-8
MERCK INDEX: 14: 942
PURITY: ≥97%
APPEARANCE: Yellow to yellow-green crystalline powder.
SOLUBILITY: Soluble in DMSO, 100% ethanol or methanol; almost insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: IRRITANT.

Product Description
Inhibitor of 12-lipoxygenase, leukotriene biosynthesis and the release of lysosomal enzymes. Inhibits cellular Ca2+ uptake and calcium mobilization. Inhibitor of protein tyrosine kinase in leukemia (CEM) cells. Induces cell cycle arrest and apoptosis. Anti-inflammatory compound. Has anti-thrombotic, anti-proliferative and anti-mitogenic effects.
Product Specific Literature References
Specific action of the lipoxygenase pathway in mediating angiotensin II- induced aldosterone synthesis in isolated adrenal glomerulosa cells: J.L. Nadler, et al.; J. Clin. Invest. 80, 1763 (1987) Abstract
Inhibition of reverse transcriptase activity by a flavonoid compound, 5,6,7-trihydroxyflavone: K. Ono, et al.; BBRC 160, 982 (1989) Abstract
Biliary excretion of metabolites of baicalin and baicalein in rats: K. Abe, et al.; Chem. Pharm. Bull. 38, 209 (1990) Abstract
Effects of baicalein and esculetin on transduction signals and growth factors expression in T-lymphoid leukemia cells: H.C. Huang, et al.; Eur. J. Pharmacol. 268, 73 (1994) Abstract
Protective effects of baicalein against cell damage by reactive oxygen species: D. Gao, et al.; Chem. Pharm. Bull. (Tokyo) 46, 1383 (1998) Abstract
Baicalein induces a dual growth arrest by modulating multiple cell cycle regulatory molecules
:
S.L. Hsu, et al.; Eur. J. Pharmacol. 425, 165 (2001) Abstract
Mechanisms in mediating the anti-inflammatory effects of baicalin and baicalein in human leukocytes: Y.C. Shen, et al.; Eur. J. Pharmacol. 465, 171 (2003) Abstract
Baicalein induced cell cycle arrest and apoptosis in human lung squamous carcinoma CH27 cells: H.Z. Lee, et al.; Anticancer Res. 25, 959 (2005) Abstract
Biological properties of baicalein in cardiovascular system: Y. Huang, et al.; Curr. Drug Targets Cardiovasc. Haematol. Disord. 5, 177 (2005), (Review) Abstract
Baicalein inhibition of hydrogen peroxide-induced apoptosis via ROS-dependent heme oxygenase 1 gene expression: H.Y. Lin, et al.; Biochim. Biophys. Acta 1773, 1073 (2007) Abstract
 
 
ALX-385-024 Revised 06-Oct-08
Isorhamnetin
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SYNONYMS 3-Methylquercetin
3'-Methoxy-3,4',5,7-tetrahydroxyflavone
3,5,7-Trihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4-benzopyrone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavonols
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ALX-385-024-M005   5 mg 90.00 USD Add To Cart
ALX-385-024-M010   10 mg 150.00 USD Add To Cart
Product Specification
FORMULA: C16H12O7
MW: 316.3
CAS NUMBER: 480-19-3
PURITY: ≥98% (HPLC)
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in acetone, methanol, ethylacetate or DMSO. Only sparingly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: MAY BE CARCINOGENIC. HARMFUL.

Product Description
Antiviral agent. Antioxidant. Antitumor compound. Apoptosis inducer.
Product Specific Literature References
Anti-tumor promoting activity of polyphenols from Cowania mexicana and Coleogyne ramosissima: H. Ito, et al.; Cancer Lett. 143, 5 (1999) Abstract
Inhibition of xanthine oxidase by flavonoids: A. Nagao, et al.; Biosci. Biotechnol. Biochem. 63, 1787 (1999) Abstract
Effects of intrinsic fluorescence and quenching on fluorescence-based screening of natural products: L. Zou, et al.; Phytomedicine 9, 263 (2002) Abstract
Antioxidant effects of isorhamnetin 3,7-di-O-beta-D-glucopyranoside isolated from mustard leaf (Brassica juncea) in rats with streptozotocin-induced diabetes: T. Yokozawa, et al.; J. Agric. Food Chem. 50, 5490 (2002) Abstract
Effect of five flavonoid compounds isolated from leaves of Diospyros kaki on stimulus-induced superoxide generation and tyrosyl phosphorylation of proteins in human neutrophils: G. Chen, et al.; Clin. Chim. Acta 326, 169 (2002) Abstract
Isorhamnetin prevent endothelial cell injuries from oxidized LDL via activation of p38MAPK: M. Bao & Y. Lou; Eur. J. Pharmacol. 547, 22 (2006) Abstract
The flavonoid component isorhamnetin in vitro inhibits proliferation and induces apoptosis in Eca-109 cells: G. Ma, et al.; Chem. Biol. Interact. 167, 153 (2007) Abstract
 
 
ALX-270-089 Revised 25-May-07
D609 . potassium salt
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SYNONYMS Tricyclodecan-9-yl xanthogenate . K
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Phospholipase C / Related Products
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ALX-270-089-M001   1 mg 25.00 USD Add To Cart
ALX-270-089-M005   5 mg 80.00 USD Add To Cart
Product Specification
FORMULA: C11H15OS2 . K
MW: 227.4 . 39.1
CAS NUMBER: 83373-60-8
PURITY: ≥98%
APPEARANCE: Off-white solid.
SOLUBILITY: Soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: We recommend to prepare fresh solutions each day.

Product Description
Selective inhibitor of phosphatidylcholine-specific phospholipase C. Has been used to study the coupling of phosphatidylcholine-specific phospholipase C with sphingomyelinase. Shows antitumor and antiviral activity. Inhibits basement membrane collagen synthesis, which is the last step in the development of a new blood vessel. Inhibits induction of nitric oxide synthases (NOS). Induces apoptosis.
Product Specific Literature References
DNA and RNA virus species are inhibited by xanthates, a class of antiviral compounds with unique properties: G. Sauer, et al.; PNAS 81, 3263 (1984) Abstract
Interruption of growth signal transduction by an antiviral and antitumoral xanthate compound: K. Muller-Decker, et al.; Exp. Cell. Res. 177, 295 (1988) Abstract
Interruption of TPA-induced signals by an antiviral and antitumoral xanthate compound: inhibition of a phospholipase C-type reaction: K. Muller-Decker; BBRC 162, 198 (1989) Abstract
TNF activates NF-kappa B by phosphatidylcholine-specific phospholipase C-induced "acidic" sphingomyelin breakdown: S. Schütze, et al.; Cell 71, 765 (1992) Abstract
Inhibitors of basement membrane collagen synthesis prevent endothelial cell alignment in matrigel in vitro and angiogenesis in vivo: G.C. Haralabopoulos, et al.; Lab. Invest. 71, 575 (1994) Abstract
Induction of nitric oxide synthase activity in phagocytic cells inhibited by tricyclodecan-9-yl-xanthogenate (D609): K. Tschaikowsky, et al.; Br. J. Pharmacol. 113, 664 (1994) Abstract
Prevention of experimental allergic encephalomyelitis by targeting nitric oxide and peroxynitrite: implications for the treatment of multiple sclerosis: D.C. Hooper, et al.; PNAS 94, 2528 (1997) Abstract; Full Text
The antiviral xanthate compound D609 inhibits herpes simplex virus type 1 replication and protein phosphorylation: D.G. Walro & K.S. Rosenthal; Antiviral. Res. 36, 63 (1997) Abstract
Induction of apoptosis and potentiation of TNF- and Fas-mediated apoptosis in U937 cells by the xanthogenate compound D609: M.I. Porn-Ares, et al.; Exp. Cell Res. 235, 48 (1997) Abstract
Phosphatidylcholine-specific phospholipase inhibitor D609 differentially affects MAP kinases and immediate-early genes in PC12 cells: P.J. Kahle, et al.; Cell Signal. 10, 321 (1998) Abstract
Stimulation of DNA synthesis in untransformed cells by the antiviral and antitumoral compound tricyclodecan-9-yl-xanthogenate (D609): Z. Kiss, et al.; Biochem. Pharmacol. 55, 915 (1998) Abstract
A phosphatidylcholine phospholipase C inhibitor, D609, blocks interleukin-3 (IL-3)-induced bcl-2 expression but not c-myc expression in human IL-3-dependent cells: R.A. Mufson, et al.; Exp. Cell Res. 240, 228 (1998) Abstract
D609-phosphatidylcholine-specific phospholipase C inhibitor attenuates thapsigargin-induced sodium influx in human lymphocytes: J.R. Nofer, et al.; Cell Signal. 12, 289 (2000) Abstract
D609 inhibits ionizing radiation-induced oxidative damage by acting as a potent antioxidant: D. Zhou, et al.; J. Pharmacol. Exp. Ther. 298, 103 (2001) Abstract; Full Text
D609-sensitive tyrosine phosphorylation is involved in Fas-mediated phospholipase D activation: J.G. Kim, et al.; Exp. Mol. Med. 33, 303 (2001) Abstract; Full Text
Synthesis and phospholipase C inhibitory activity of D609 diastereomers: A. Gonzalez-Roura, et al.; Lipids 37, 401 (2002) Abstract
Sphingomyelin synthase as a potential target for D609-induced apoptosis in U937 human monocytic leukemia cells: A. Meng, et al.; Exp. Cell Res. 292, 385 (2004) Abstract
Protective effect of the xanthate, D609, on Alzheimer´s amyloid beta-peptide (1-42)-induced oxidative stress in primary neuronal cells: R. Sultana, et al.; Free Radic. Res. 38, 449 (2004) Abstract
Two distinct Fas-activated signaling pathways revealed by an antitumor drug D609: L. Zhang, et al.; Oncogene 24, 2954 (2005) Abstract
Protection against amyloid beta-peptide (1-42)-induced loss of phospholipid asymmetry in synaptosomal membranes by tricyclodecan-9-xanthogenate (D609) and ferulic acid ethyl ester: implications for Alzheimer´s disease: H. Mohmmad Abdul & D.A. Butterfield; Biochim. Biophys. Acta 1741, 140 (2005) Abstract
D609 blocks cell survival and induces apoptosis in neural stem cells: N. Wang, et al.; Bi