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ALX-270-047 Revised 26-Sep-07
Aristolochic acid
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SYNONYMS 8-Methoxy-6-nitrophenanthrol(3,4-d)-1,3-dioxide-5-carboxylic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Other Signal Transduction Pathway Modulators
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-047-M025   25 mg 25.00 USD Add To Cart
ALX-270-047-M100   100 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C17H11NO7
MW: 341.3
CAS NUMBER: 313-67-7
MERCK INDEX: 14: 786
RTECS: CF3325000
SOURCE/HOST: Isolated from Aristolochia clematis.
PURITY: ≥97% (~1:1 mixture of aristolochic acids I (A) and II (B))
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HAZARD: MAY BE CARCINOGENIC. TOXIC. MAY BE MUTAGENIC.

Product Description
Phospholipase A2 (PLA2) inhibitor active against the enzymes found in many snake venoms as well as those of human platelets and synovial fluids. Inhibits ionophore-stimulated PLA2 activity in human neutrophils. Has been shown to be nephropathic and carcinogenic.
Product Specific Literature References
Characterization of three edema-inducing phospholipase A2 enzymes from habu (Trimeresurus flavoviridis) venom and their interaction with the alkaloid aristolochic acid: B.S. Vishwanath, et al.; Toxicon 25, 501 (1987) Abstract
Interaction of aristolochic acid with Vipera russelli phospholipase A2: its effect on enzymatic and pathological activities: B.S. Vishwanath & T.V. Gowda; Toxicon 25, 929 (1987) Abstract
Interaction of phospholipase A2 from Vipera russelli venom with aristolochic acid: a circular dichroism study: B.S. Vishwanath, et al.; Toxicon 25, 939 (1987) Abstract
Edema-inducing activity of phospholipase A2 purified from human synovial fluid and inhibition by aristolochic acid: B.S. Vishwanath, et al.; Inflammation 12, 549 (1988) Abstract
Effects of aristolochic acid on phospholipase A2 activity and arachidonate metabolism of human neutrophils: M.D. Rosenthal, et al.; Biochim. Biophys. Acta 1001, 3 (1989) Abstract
Suramin alters phosphoinositide synthesis and inhibits growth factor receptor binding in HT-29 cells: R. Kopp & A. Pfeiffer; Cancer Res. 50, 6490 (1990) Abstract
The effects of the phospholipase A2 inhibitors aristolochic acid and PGBx on A23187-stimulated mobilization of arachidonate in human neutrophils are overcome by diacylglycerol or phorbol ester: M.D. Rosenthal, et al.; Biochim. Biophys. Acta 1126, 319 (1992) Abstract
Evidence for different mechanisms involved in the formation of lyso platelet-activating factor and the calcium-dependent release of arachidonic acid from human neutrophils: J.D. Winkler, et al.; Biochem. Pharmacol. 44, 2055 (1992) Abstract
Selective inhibition of group II phospholipase A2 by quercetin: M. Lindahl & C. Tagesson; Inflammation 17, 573 (1993) Abstract
Detection of DNA adducts formed by aristolochic acid in renal tissue from patients with Chinese herbs nephropathy: H.H. Schmeiser, et al.; Cancer Res. 56, 2025 (1996) Abstract
Aristolochic acid and ’Chinese herbs nephropathy’: a review of the evidence to date: J.P. Cosyns; Drug Saf. 26, 33 (2003), Review Abstract
Effect of aristolochic acid on intracellular calcium concentration and its links with apoptosis in renal tubular cells: Y.H. Hsin, et al.; Apoptosis 11, 2167 (2006) Abstract
 
 
ALX-270-075 Revised 08-Oct-08
KT5720
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PRODUCT LINE Signal Transduction
PRODUCT CATEGORY PKA Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-075-C100   100 µg 110.00 USD Add To Cart
ALX-270-075-C500   500 µg 330.00 USD Add To Cart
ALX-270-075-M001   1 mg 590.00 USD Add To Cart
Product Specification
FORMULA: C32H31N3O5
MW: 537.6
CAS NUMBER: 108068-98-0
SOURCE/HOST: Semisynthetic.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in methanol (5mg/ml) or DMSO (1mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.

Product Description
Potent, reversible, cell permeable and selective inhibitor of cAMP-dependent protein kinase (PKA).
Product Specific Literature References
K-252 compounds, novel and potent inhibitors of protein kinase C and cyclic nucleotide-dependent protein kinases: H. Kase, et al.; BBRC 142, 436 (1987) Abstract
Multiple kinase arrest points in the G1 phase of nontransformed mammalian cells are absent in transformed cells: D.M. Gadbois, et al.; PNAS 89, 8626 (1992) Abstract
Effects of selective inhibition of protein kinase C, cyclic AMP- dependent protein kinase, and Ca(2+)-calmodulin-dependent protein kinase on neurite development in cultured rat hippocampal neurons: L. Cabell and G. Audesirk; Int. J. Dev. Neurosci. 11, 357 (1993), (Review) Abstract
Further Categories Containing This Product:
Staurosporine / Related ProductsAlkaloids
 
 
ALX-270-087 Revised 12-Mar-08
KT5823
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PRODUCT LINE Signal Transduction
PRODUCT CATEGORY PKG Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-087-C100   100 µg 110.00 USD Add To Cart
ALX-270-087-C500   500 µg 330.00 USD Add To Cart
ALX-270-087-M001   1 mg 590.00 USD Add To Cart
Product Specification
FORMULA: C29H25N3O5
MW: 495.5
CAS NUMBER: 126643-37-6
SOURCE/HOST: Semisynthetic.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO, dimethyl formamide or ethyl acetate.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.

Product Description
Potent and selective inhibitor of cGMP-dependent protein kinase (PKG).
Product Specific Literature References
K-252 compounds, novel and potent inhibitors of protein kinase C and cyclic nucleotide-dependent protein kinases: H. Kase, et al.; BBRC 142, 436 (1987) Abstract
Further Categories Containing This Product:
Staurosporine / Related ProductsAlkaloids
 
 
ALX-270-110 Revised 20-Jun-08
Papaverine . hydrochloride
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SYNONYMS 1-[(3',4'-Dimethoxyphenyl)methyl]-6,7-dimethoxyisoquinoline . HCl
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Other Signal Transduction Pathway Modulators
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ALX-270-110-G005   5 g 22.00 USD Add To Cart
Product Specification
FORMULA: C20H21NO4 . HCl
MW: 339.4 . 36.5
CAS NUMBER: 61-25-6
MERCK INDEX: 14: 7019
RTECS: NW8575000
PURITY: ≥98%
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in 100% ethanol; slightly soluble in water (25mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: HARMFUL.

Product Description

Originally isolated from opium. Alkaloid with smooth muscle relaxing activity. Inhibits phosphodiesterases.

Product Specific Literature References
Papaverine-induced inhibition of phosphodiesterase activity in various mammalian tissues: G. Poch & W.R. Kukovetz; Life Sci. I 10, 133 (1971) Abstract
Effects of papaverine on smooth muscle and their mechanisms: M. Ferrari; Pharmacol. res. Commun. 6, 97 (1974) Abstract
The effect of papaverine on ion channels in rat basilar smooth muscle cells: D. Han, et al.; Neurol. Res. 29, 544 (2007) Abstract
Further Categories Containing This Product:
Phosphodiesterases / Related ProductsAlkaloids
 
 
ALX-270-157 Revised 03-Apr-08
Australine . hydrochloride
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SYNONYMS (1R,2R,3R,7S,7aR)-3-Hydroxymethyl-1,2,7-trihydroxypyrrolizidine . HCI
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Other Signal Transduction Pathway Modulators
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ALX-270-157-M001   1 mg 180.00 USD Add To Cart
Product Specification
FORMULA: C8H15NO4. HCl
MW: 189.2 . 36.5
CAS NUMBER: 186766-07-4
SOURCE/HOST: Isolated from Castanospermum australe seeds.
PURITY: ≥95%
APPEARANCE: Crystalline solid.
SOLUBILITY: Soluble in water, methanol and 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: After reconstitution, prepare aliquots and store at -20°C.
HAZARD: HARMFUL.

Product Description
Alkaloid. Inhibitor of α-glucosidase, amyloglucosidase and glucosidase I. Does not inhibit glucosidase II, and is reported to be the first glucosidase inhibitor which differentiates glucosidase I from glucosidase II. Does not inhibit α-galactosidase, β-galactosidase, β-glucosidase, α-mannosidase and β-mannosidase.
Product Specific Literature References
Australine, a pyrrolizidine alkaloid that inhibits amyloglucosidase and glycoprotein processing: J.E. Tropea, et al.; Biochemistry 28, 2027 (1989) Abstract
Calystegins, a novel class of alkaloid glycosidase inhibitors: R.J. Molyneux, et al.; Arch. Biochem. Biophys. 304, 81 (1993) Abstract
Stereoselective synthesis of the glycosidase inhibitor australine through a one-pot, double-cyclization strategy: C. Ribes, et al.; Org. Lett. 9, 77 (2007) Abstract
Further Categories Containing This Product:
Glycosidases / Related ProductsAlkaloids
 
 
ALX-270-160 Revised 27-Sep-07
Castanospermine
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SYNONYMS (1S,6S,7R,8R,8aR)-1,6,7,8-Tetrahydroxyoctahydroindolizine
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Other Signal Transduction Pathway Modulators
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ALX-270-160-M010   10 mg 60.00 USD Add To Cart
ALX-270-160-M050   50 mg 180.00 USD Add To Cart
Product Specification
FORMULA: C8H15NO4
MW: 189.2
CAS NUMBER: 79831-76-8
MERCK INDEX: 14: 1896
SOURCE/HOST: Isolated from Castanospermum australe seeds.
PURITY: ≥98%
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from moisture.

Product Description
Plant alkaloid. Potent inhibitor of α- and β-glucosidase activity in fibroblast extracts; inhibits the glycoprotein processing cycle. Exhibits antiviral properties. Prevents angiogenesis.
Product Specific Literature References
Castanospermine inhibits the processing of the oligosaccharide portion of the influenza viral hemagglutinin: Y.T. Pan, et al.; Biochemistry 22, 3975 (1983) Abstract
Glycoproteins: their structure, biosynthesis and possible clinical implications: H. Schachter; Clin. Biochem. 17, 3 (1984) Abstract
The effects of processing inhibitors of N-linked oligosaccharides on the intracellular migration of glycoprotein E2 of mouse hepatitis virus and the maturation of coronavirus particles: R. Repp, et al.; J. Biol. Chem. 260, 15873 (1985) Abstract; Full Text
Effects of the anti-inflammatory compounds castanospermine, mannose-6- phosphate and fucoidan on allograft rejection and elicited peritoneal exudates: M.R. Bartlett, et al.; Immunol. Cell Biol. 72, 367 (1994) Abstract
Antiviral activity and metabolism of the castanospermine derivative MDL 28,574, in cells infected with herpes simplex virus type 2: S.P. Ahmed, et al.; BBRC 208, 267 (1995) Abstract
The alpha-glucosidase I inhibitor castanospermine alters endothelial cell glycosylation, prevents angiogenesis, and inhibits tumor growth: R. Pili, et al.; Cancer Res. 55, 2920 (1995) Abstract
Perturbation of free oligosaccharide trafficking in endoplasmic reticulum glucosidase I-deficient and castanospermine-treated cells: C. Durrant & S.E. Moore; Biochem. J. 365, 239 (2002) 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 InhibitorsMarine Natural ProductsAlkaloids
 
 
ALX-350-008 Revised 02-Oct-07
Chelerythrine chloride
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SYNONYMS 1,2-Dimethoxy-N-methyl-[1,3]benzodioxolo[5,6-c]phenanthridinium chloride
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-350-008-M001   1 mg 25.00 USD Add To Cart
ALX-350-008-M005   5 mg 75.00 USD Add To Cart
ALX-350-008-M025   25 mg 300.00 USD Add To Cart
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Product Specification
FORMULA: C21H18NO4Cl
MW: 383.8
CAS NUMBER: 3895-92-9
MERCK INDEX: 14: 2051
RTECS: FL9200000
SOURCE/HOST: Synthetic.
PURITY: ≥97% (completely free of biologically active impurities, such as sanguinarine)
APPEARANCE: Yellow to orange solid.
SOLUBILITY: Soluble in DMSO, water, 100% ethanol or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Heating to 40-50°C with gentle agitation may support complete solubilization. Further dilute with buffer just prior to use. Stock solutions should be refrigerated or frozen between for storage.
HAZARD: HARMFUL.

Product Description
Potent, selective and cell permeable protein kinase C (PKC) inhibitor. Induces apoptosis. BH3 mimetic which inhibits Bcl-XL function.
Product Specific Literature References
Antiplatelet effects of chelerythrine chloride isolated from Zanthoxylum simulans: F.-N. Ko, et al.; Biochim. Biophys. Acta 1052, 360 (1990) Abstract
Chelerythrine is a potent and specific inhibitor of protein kinase C: J.M. Herbert, et al.; BBRC 172, 993 (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
Identification of chelerythrine as an inhibitor of BclXL function: S.L. Chan, et al.; J. Biol. Chem. 278, 20453 (2003) Abstract
Chelerythrine and sanguinarine dock at distinct sites on BclXL that are not the classic BH3 binding cleft: Y.H. Zhang, et al.; J. Mol. Biol. 364, 536 (2006) Abstract
The effect of chelerythrine on cell growth, apoptosis, and cell cycle in human normal and cancer cells in comparison with sanguinarine: J. Malikova, et al.; Cell Biol. Toxicol. 22, 439 (2006) Abstract
 
 
ALX-350-015 Revised 02-Dec-08
(S)-(+)-Camptothecin
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Topoisomerase Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-015-M050   50 mg 40.00 USD Add To Cart
ALX-350-015-M250   250 mg 150.00 USD Add To Cart
ALX-350-015-G001   1 g 295.00 USD Add To Cart
Product Specification
FORMULA: C20H16N2O4
MW: 348.4
CAS NUMBER: 7689-03-4
MERCK INDEX: 14: 1735
RTECS: UQ0492000
SOURCE/HOST: Isolated from Mappia foetida Miers (Nothapodytes foetida (Wt.) Sleumer).
PURITY: ≥98% (HPLC)
APPEARANCE: Pale yellow powder.
SOLUBILITY: Soluble in DMSO (10mg/ml), methanol (40mg/ml) or 0.1N sodium hydroxide (50mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light and moisture. After reconstitution, prepare aliquots and store at -20°C.
HAZARD: TOXIC.

Product Description
Potent antitumor agent. Inhibitor of DNA-topoisomerase I. Activates p53 resulting in upregulated expression of TRAIL-R2 (DR5) and Bak to overcome TRAIL resistance in Bax-deficient human colon carcinoma cells. Suppresses nitric oxide (NO) biosynthesis.
Product Specific Literature References
M.E. Wall, et al.; JACS 88, 3888 (1966)
The current status of camptothecin analogues as antitumor agents: W.J. Slichenmyer, et al.; J. Natl. Cancer Inst. 85, 271 (1993), (Review) Abstract
RNA synthesis inhibitors increase melatonin production in Y79 human retinoblastoma cells: J.L. Janavs, et al.; Mol. Brain Res. 23, 47 (1994)