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ALX-380-091 Revised 21-Aug-08
17-AAG
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SYNONYMS 17-(Allylamino)-17-desmethoxygeldanamycin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-091-C100   100 µg 65.00 USD Add To Cart
ALX-380-091-M001   1 mg 162.00 USD Add To Cart
Product Specification
FORMULA: C31H43N3O8
MW: 585.7
CAS NUMBER: 75747-14-7
SOURCE/HOST: Semisynthetic derivative from geldanamycin.
PURITY: ≥97%
APPEARANCE: Red to dark red powder.
SOLUBILITY: Soluble in DMSO (10mg/ml) or methanol (10mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.

Product Description
Potent, less toxic derivative of geldanamycin (Prod. No. ALX-380-054). Inhibits the essential ATPase activity of HSP90. Inhibitor of telomerase activity. Inducer of apoptosis with antitumor activity.
Product Specific Literature References
Inhibition of the oncogene product p185erbB-2 in vitro and in vivo by geldanamycin and dihydrogeldanamycin derivatives: R.C. Schnur, et al.; J. Med. Chem. 38, 3806 (1995) Abstract
The benzoquinone ansamycin 17-allylamino-17-demethoxygeldanamycin binds to HSP90 and shares important biologic activities with geldanamycin: T.W. Schulte & L.M. Neckers; Cancer Chemother. Pharmacol. 42, 273 (1998) Abstract
Gene expression profiling of human colon cancer cells following inhibition of signal transduction by 17-allylamino-17-demethoxygeldanamycin, an inhibitor of the hsp90 molecular chaperone: P.A. Clarke, et al.; Oncogene 19, 4125 (2000) Abstract
Geldanamycin and its analogue 17-allylamino-17-demethoxygeldanamycin lowers Bcr-Abl levels and induces apoptosis and differentiation of Bcr-Abl-positive human leukemic blasts: R. Nimmanapalli, et al.; Cancer Res. 61, 1799 (2001) Abstract; Full Text
Inhibition of heat shock protein 90 function by ansamycins causes the morphological and functional differentiation of breast cancer cells: P.N. Munster, et al.; Cancer Res. 61, 2945 (2001) Abstract; Full Text
Disruption of the EF-2 kinase/Hsp90 protein complex: a possible mechanism to inhibit glioblastoma by geldanamycin: J. Yang, et al.; Cancer Res. 61, 4010 (2001) Abstract; Full Text
Enhancement of paclitaxel-mediated cytotoxicity in lung cancer cells by 17-allylamino geldanamycin: in vitro and in vivo analysis: D.M. Nguyen, et al.; Ann. Thorac. Surg. 72, 371 (2001) Abstract
ErbB2 degradation mediated by the co-chaperone protein CHIP: P. Zhou, et al.; J. Biol. Chem. 278, 13829 (2003) Abstract
Inhibition of telomerase activity by geldanamycin and 17-allylamino, 17-demethoxygeldanamycin in human melanoma cells: R. Villa, et al.; Carcinogenesis 24, 851 (2003) Abstract
Geldanamycin and its 17-allylamino-17-demethoxy analogue antagonize the action of Cisplatin in human colon adenocarcinoma cells: differential caspase activation as a basis for interaction: I.A. Vasilevskaya, et al.; Cancer Res. 63, 3241 (2003) Abstract
A high-affinity conformation of Hsp90 confers tumour selectivity on Hsp90 inhibitors: A. Kamal, et al.; Nature 425, 407 (2003) Abstract
Chaperoning oncogenes: HSP90 as a target of geldanamycin: L. Neckers; Handb. Exp. Pharmacol. 259 (2006) Abstract
Drugging the cancer chaperone HSP90: Combinatorial therapeutic exploitation of oncogene addiction and tumor stress: P. Workman, et al.; Ann. N.Y. Acad. Sci. 1113, 202 (2007) Abstract
Synergism between etoposide and 17-AAG in leukemia cells: critical roles for Hsp90, FLT3, topoisomerase II, Chk1, and Rad51: Q. Yao, et al.; Clin. Cancer Res. 13, 1591 (2007) Abstract; Full Text
Phase I and pharmacodynamic study of 17-(allylamino)-17-demethoxygeldanamycin in adult patients with refractory advanced cancers: R.K. Ramanathan, et al.; Clin. Cancer Res. 13, 1769 (2007) Abstract
HSP90 inhibitor 17AAG causes apoptosis in ATRA-resistant acute promyelocytic leukemia cells: P.N. Meyer, et al.; Leuk. Res. 32, 143 (2008) Abstract
Intratumor injection of the Hsp90 inhibitor 17AAG decreases tumor growth and induces apoptosis in a prostate cancer xenograft model: C.R. Williams, et al.; J. Urol. 178, 1528 (2007) Abstract
Rituximab and 17-allylamino-17-demethoxygeldanamycin induce synergistic apoptosis in B-cell chronic lymphocytic leukaemia: A.J. Johnson, et al.; Br. J. Haematol. 139, 837 (2007) Abstract
An in vitro and in vivo study of the combination of the heat shock protein inhibitor 17-allylamino-17-demethoxygeldanamycin and carboplatin in human ovarian cancer models: U. Banerji, et al.; Cancer Chemother. Pharmacol. 62, 769 (2008) Abstract
 
 
ALX-450-001 Revised 23-Jul-08
A23187 (free acid)
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SYNONYMS Calcium Ionophore A23187
Calcimycin
Antibiotic A23187
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Ionophores
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-450-001-M001   1 mg 28.00 USD Add To Cart
ALX-450-001-M005   5 mg 65.00 USD Add To Cart
ALX-450-001-5001   5x1 mg 80.00 USD Add To Cart
ALX-450-001-M010   10 mg 92.00 USD Add To Cart
ALX-450-001-M025   25 mg 195.00 USD Add To Cart
ALX-450-001-M050   50 mg 350.00 USD Add To Cart
Product Specification
FORMULA: C29H37N3O6
MW: 523.6
CAS NUMBER: 52665-69-7
MERCK INDEX: 14: 1639
RTECS: DM4676000
SOURCE/HOST: Isolated from Streptomyces chartreusis.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO, 100% ethanol or methylene chloride; slightly soluble in water. Solubilize in DMSO or ethanol prior to preparing aqueous solutions of very low concentrations.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: In aqueous systems product may aggregate over time.
HANDLING: Protect from light. In aqueous systems, the product aggregates over time.
HAZARD: IRRITANT.

Product Description
Antibiotic possessing weak in vitro antimicrobial activity against gram positive bacteria and fungi. Divalent cation ionophore commonly used to increase intracellular Ca2+ levels in intact cells.
Product Specific Literature References
A23187: a divalent cation ionophore: P. W. Reed & H. A. Lardy; J. Biol. Chem. 247, 6970 (1972) Abstract
Effects of antibiotic ionophore, A23187, on oxidative phosphorylation and calcium transport of liver mitochondria: D.T. Wong, et al.; Arch. Biochem. Biophys. 156, 578 (1973) Abstract
Biological applications of ionophores: B.C. Pressman; Annu. Rev. Biochem. 45, 501 (1976), (Review) Abstract
Molecular mechanisms of endothelium-mediated vasodilation: R.R. Fiscus; Semin. Thromb. Hemost. 14 Suppl, 12 (1988), (Review) Abstract
Calcium ionophore A23187 action on cardiac myocytes is accompanied by enhanced production of reactive oxygen species: 1740, 481 (2005): T. Przygodzki, et al.; Biochim. Biophys. Acta 1740, 481 (2005) Abstract
 
 
ALX-450-002 Revised 14-Nov-07
A23187 (Mixed Calcium-Magnesium Salt)
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Ionophores
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-450-002-M005   5 mg 60.00 USD Add To Cart
ALX-450-002-M010   10 mg 110.00 USD Add To Cart
ALX-450-002-M050   50 mg 415.00 USD Add To Cart
Product Specification
MERCK INDEX: 13: 1639
SOURCE/HOST: Semisynthetic.
PURITY: ≥98% (molar ratio Ca:Mg ~1:1)
APPEARANCE: White solid.
SOLUBILITY: Soluble in methylene chloride, chloroform, acetone, ethyl acetate, or diethyl ketone; also soluble in DMSO, 100% ethanol, and ethanol. Solubilize in DMSO or ethanol prior to preparing aqueous solutions of very low concentrations.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light. In aqueous systems, product may aggregate over time.
HAZARD: TOXIC.

Product Description
Salt form of A23187 (Prod. No. ALX-450-001). Used in cell activation experiments when calcium dose-response data are not required.
 
 
ALX-350-104 Revised 10-May-07
Aaptamine
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SYNONYMS 8,9-Dimethoxy-1H-benzo[de][1,6]naphtyridine
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Other Toxins
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ALX-350-104-M001   1 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C13H12N2O2
MW: 228.3
CAS NUMBER: 85547-22-4
SOURCE/HOST: Isolated from the sponge Aaptos aaptos.
PURITY: ≥97%
APPEARANCE: Oil.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Competitive antagonist of α-adrenoceptors in vascular smooth muscle cells. Inhibits cancer cell growth.
Product Specific Literature References
Alpha-adrenoceptor blocking action of aaptamine, a novel marine natural product, in vascular smooth muscle: Y. Ohizumi, et al.; J. Pharm. Pharmacol. 36, 785 (1984) Abstract
Antineoplastic agents 491. Synthetic conversion of aaptamine to isoaaptamine, 9-demethylaaptamine, and 4-methylaaptamine: G.R. Pettit, et al.; J. Org. Chem. 69, 2251 (2004) Abstract
Aaptamine, a spongean alkaloid, activates p21 promoter in a p53-independent manner: S. Aoki, et al.; BBRC 342, 101 (2006) Abstract
 
 
ALX-350-255 Revised 03-Apr-08
(+)-cis,trans-Abscisic acid
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SYNONYMS (S)-5-(1-Hydroxy-2,6,6-trimethyl-4-oxocyclohex-2-en-1-yl)-3-methyl-[2Z,4E]-pentadienoic acid
(+)-cis,trans ABA
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Plant Research Reagents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-255-C500   500 µg 90.00 USD Add To Cart
ALX-350-255-M001   1 mg 160.00 USD Add To Cart
ALX-350-255-M005   5 mg 620.00 USD Add To Cart
Product Specification
FORMULA: C15H20O4
MW: 264.3
CAS NUMBER: 21293-29-8
MERCK INDEX: 14: 11
SOURCE/HOST: Isolated from Curvularia lunata.
PURITY: ≥97%
APPEARANCE: Off-white powder.
SOLUBILITY: Soluble in ethanol or DMSO.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.

Product Description
Natural and active isomer of the abscission accelerating plant hormone.
Product Specific Literature References
Metabolism and physiology of abscisic acid: J.A.D. Zeevaart & R.A. Creelman; Annu. Rev. Plant Physiol. Plant Mol. Biol. 39, 439 (1988), (Review)
Molecular responses to drought and cold stress: K. Shinozaki & K. Yamaguchi-Shinozaki; Curr. Opin. Biotechnol. 7, 161 (1996), (Review) Abstract
Abscisic acid and signal transduction: J. Leung & J. Giraudat; Annu. Rev. Plant Physiol. Plant Mol. Biol. 49, 199 (1998), (Review)
ABA signal transduction: E. Grill & A. Himmelbach; Curr. Opin. Plant Biol. 1, 412 (1998), (Review) Abstract
Signal transduction networks and the biology of plant cells: M.J. Chrispeels, et al.; Biol. Res. 32, 35 (1999), (Review) Abstract
Abscisic acid: A.M. Hetherington; Curr. Biol. 9, R390 (1999), (Review) Abstract
Regulation of abscisic acid-induced stomatal closure and anion channels by guard cell AAPK kinase: J. Li, et al.; Science 287, 300 (2000) Abstract
Mitogen-activated protein kinase and abscisic acid signal transduction: S. Heimovaara-Dijkstra, et al.; Results Probl. Cell Differ. 27, 131 (2000) Abstract
Relay and control of abscisic acid signaling: A. Himmelbach, et al.; Corr. Opin. Plant Biol. 6, 470 (2003), Review Abstract
Nitric oxide induced by hydrogen peroxide mediates abscisic acid-induced activation of the mitogen-activated protein kinase cascade involved in antioxidant defense in maize leaves: A. Zhang, et al.; New Phytol. 175, 36 (2007) Abstract
Abscisic acid is an endogenous cytokine in human granulocytes with cyclic ADP-ribose as second messenger: S. Bruzzone, et al.; PNAS 104, 5759 (2007) Abstract
 
 
ALX-350-310 Revised 03-Apr-08
3-O-Acetyl-11-keto-β-boswellic acid
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SYNONYMS AKβBA
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-310-M005   5 mg 130.00 USD Add To Cart
Product Specification
FORMULA: C32H48O5
MW: 512.7
CAS NUMBER: 67416-61-9
SOURCE/HOST: Isolated from Boswellia serrata.
PURITY: ≥99% (HPLC, NMR)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in acetone, dichloromethane, diethyl ether or DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stock solutions are stable for up to 3 months when stored at -20°C.
HANDLING: Protect from light.
HAZARD: MAY BE CARCINOGENIC. HARMFUL.

Product Description
Shows antitumor and anti-inflammatory activities. Potent non-redox, noncompetitive 5-lipoxygenase and topoisomerase I and IIa inhibitor leading to apoptosis. 10-times more potent than 3-O-acetyl-β-boswellic acid (Prod. No. ALX-350-308). Exhibits in vivo efficacy in tumor growth and inhibition.
Product Specific Literature References
Acetyl-11-keto-beta-boswellic acid induces apoptosis in HL-60 and CCRF-CEM cells and inhibits topoisomerase I: R.F. Hoernlein, et al.; J. Pharmacol. Exp. Ther. 288, 613 (1999) Abstract; Full Text
Boswellic acids activate p42(MAPK) and p38 MAPK and stimulate Ca(2+) mobilization: A. Altmann, et al.; BBRC 290, 185 (2002) Abstract
Coupling of boswellic acid-induced Ca2+ mobilisation and MAPK activation to lipid metabolism and peroxide formation in human leucocytes: A. Altmann, et al.; Br. J. Pharmacol. 141, 223 (2004) Abstract; Full Text
Inhibition of IkappaB kinase activity by acetyl-boswellic acids promotes apoptosis in androgen-independent PC-3 prostate cancer cells in vitro and in vivo: T. Syrovets, et al.; J. Biol. Chem. 280, 6170 (2005) Abstract; Full Text
Boswellic acids: biological actions and molecular targets: D. Poeckel & O. Werz; Curr. Med. Chem. 13, 3359 (2006), Review Abstract
Mechanisms underlying the anti-inflammatory actions of boswellic acid derivatives in experimental colitis: C. Anthoni, et al.; Am. J. Physiol. Gastrointest. Liver Physiol. 290, G1131 (2006) Abstract
Potentiation of antinociceptive effect of NSAIDs by a specific lipooxygenase inhibitor, acetyl 11-keto-beta boswellic acid: M. Bishnoi, et al.; Indian J. Exp. Biol. 44, 128 (2006) Abstract
 
 
ALX-550-232 Revised 13-May-08
Aconitine
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SYNONYMS (1α,3α,6α,14α,15α,16β)-20-Ethyl-1,6,16-trimethoxy-4-(methoxymethyl)aconitane-3,8,13,14,15-pentol 8-acetate 14-benzoate
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Neurotoxins
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-550-232-M025   25 mg 45.00 USD Add To Cart
Product Specification
FORMULA: C34H47NO11
MW: 645.7
CAS NUMBER: 302-27-2
MERCK INDEX: 14: 118
RTECS: AR5960000
SOURCE/HOST: Isolated from Aconitum karacolium.
PURITY: ≥98%
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in 100% ethanol (35mg/ml); almost insoluble in water (0.3mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.
HAZARD: VERY TOXIC.

Product Description
A lipid-soluble neurotoxin that acts as a sodium channel modulator. Blocks tetrodotoxin-sensitive Na+ channels. Potent neurotoxin.
Product Specific Literature References
Non-quantal acetylcholine release at mouse neuromuscular junction: effects of elevated quantal release and aconitine: S.P. Yu & W. Van der Kloot; Neurosci. Lett. 117, 111 (1990) Abstract
Synthesis and activity of a potent N-methyl-D-aspartic acid agonist, trans-1-aminocyclobutane-1,3-dicarboxylic acid, and related phosphonic and carboxylic acids: M. Muroi, et al.; Neuropharmacology 29, 567 (1990) Abstract
Further Categories Containing This Product:
AlkaloidsNa+ Channels
 
 
ALX-380-024 Revised 30-Oct-07
Actinomycin C
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SYNONYMS Cactinomycin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-024-M005   5 mg 40.00 USD Add To Cart
ALX-380-024-M025   25 mg 140.00 USD Add To Cart
Product Specification
CAS NUMBER: 8052-16-2
MERCK INDEX: 14: 1606
SOURCE/HOST: Isolated from Streptomyces chrysomallus.
PURITY: ≥98%
APPEARANCE: Orange solid.
FORMULATION: Mixture of actinomycin C1(= actinomycin D) (R = R’ = D-Val)  ~3%, C2(R = D-Val, R’ = D-allo-Ile) ~45%, C3(R = R’ = D-allo-Ile) ~53%.
SOLUBILITY: Soluble in methanol. Sparingly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Antibiotic complex with antitumor activity.
Product Specific Literature References
Nomenclature of the Actinomycins: S.A. Waksman, et al.; PNAS 44, 602 (1958) Abstract
General Information
For nomenclature see S.A. Waksman, E. Katz and L.C. Vining; PNAS 44, 602 (1958).
 
 
ALX-380-082 Revised 30-Oct-07
Actinomycin C2
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics