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Antibiotics
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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-380-137 Revised 20-Nov-08 New product
Acetomycin
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SYNONYMS NSC350598
3-Acetyl-5-(acetyloxy)dihydro-3,4-dimethyl-2(3H)furanone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-137-M001   1 mg 85.00 USD Add To Cart
ALX-380-137-M005   5 mg 255.00 USD Add To Cart
Product Specification
FORMULA: C10H14O5
MW: 214.2
CAS NUMBER: 510-18-9
SOURCE/HOST: Isolated from Streptomyces ramulosus.
PURITY: ≥98%
APPEARANCE: White to off-white crystals.
SOLUBILITY: Soluble in methanol or DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
IDENTITY: Identity determined by 1H-NMR.

Product Description
Antibiotic with antibacterial, antifungal and antiprotozoal activity. Cytotoxic against several tumor cell lines in vitro.
Product Specific Literature References
The structure of acetomycin. Spectroscopic characterization and X-ray analysis of a bromo derivative: H. Uhr, et al.; J. Antibiot. (Tokyo) 38, 1684 (1985) Abstract
Biological effects of acetomycin. I. Activity against tumor cells in vitro and in vivo: S.W. Mamber, et al.; J. Antibiot. (Tokyo) 40, 73 (1987) Abstract
Biological effects of acetomycin. II. Inactivation by esterases in vitro: S.W. Mamber, et al.; J. Antibiot. (Tokyo) 40, 77 (1987) Abstract
The structure and absolute configuration of acetomycin: F.H. Cano, et al.; Acta Crystallogr. C. 44, 919 (1988) Abstract
Further Categories Containing This Product:
Antibiotics - Antifungal
 
 
ALX-380-024 Revised 30-Oct-07
Actinomycin C
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SYNONYMS Cactinomycin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
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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
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-082-C500   500 µg 80.00 USD Add To Cart
Product Specification
FORMULA: C63H88N12O16
MW: 1269.5
MERCK INDEX: 14: 1606
SOURCE/HOST: Isolated from Streptomyces sp.
PURITY: ≥98% (contains traces of ethylacetate or cyclohexane)
APPEARANCE: Orange crystals.
SOLUBILITY: Soluble in methanol, acetone or chloroform.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Keep cool and dry.
HAZARD: TOXIC.
IDENTITY: Determined by 1H-NMR: Identical to standard reference.

Product Description
Antitumor antibiotic.
Product Specific Literature References
Nomenclature of the Actinomycins: S.A. Waksman, et al.; PNAS 44, 602 (1958) Abstract
Actinomycin D, C2 and VII, inhibitors of Grb2-SHC interaction produced by Streptomyces: J. Y. Nam, et al.; Bioorg. Med. Chem. Lett. 8, 2001 (1998) Abstract
Further Categories Containing This Product:
Transcription Inhibitors / Related Products
 
 
ALX-380-077 Revised 30-Oct-07
Actinomycin C3
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-077-M001   1 mg 70.00 USD Add To Cart
Product Specification
FORMULA: C64H90N12O16
MW: 1283.5
MERCK INDEX: 14: 1606
SOURCE/HOST: Isolated from Streptomyces sp.
PURITY: ≥98% (solvent free)
APPEARANCE: Orange crystals.
SOLUBILITY: Soluble in methanol, acetone or chloroform.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Keep cool and dry.
HAZARD: TOXIC.
IDENTITY: Determined by 1H-NMR: Identical to standard reference.

Product Description
Antitumor antibiotic.
Product Specific Literature References
Nomenclature of the Actinomycins: S.A. Waksman, et al.; PNAS 44, 602 (1958) Abstract
Further Categories Containing This Product:
Transcription Inhibitors / Related Products
 
 
ALX-380-009 Revised 26-Jun-08
Actinomycin D
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SYNONYMS Actinomycin IV
Actinomycin C1
Dactinomycin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-009-M005   5 mg 50.00 USD Add To Cart
ALX-380-009-M025   25 mg 200.00 USD Add To Cart
ALX-380-009-M100   100 mg 540.00 USD Add To Cart
Product Specification
FORMULA: C62H86N12O16
MW: 1255.5
CAS NUMBER: 50-76-0
MERCK INDEX: 14: 2800
RTECS: AU1575000
SOURCE/HOST: Isolated from Streptomyces parvulus.
PURITY: ≥98%
APPEARANCE: Red shiny crystals.
SOLUBILITY: Soluble in DMSO, 100% ethanol or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Sensitive to strong acids and bases.
HANDLING: Protect from light. Hygroscopic.
HAZARD: VERY TOXIC.

Product Description
Antitumor antibiotic. DNA intercalating agent. Cytotoxic inducer of apoptosis against tumor cells. Inhibitor of RNA synthesis.

For nomenclature see S.A. Waksman, E. Katz & L.C. Vining; PNAS 44, 602 (1958)
Product Specific Literature References
Apoptosis induced by Actinomycin D, Camptothecin or Aphidicolin can occur in all phases of the cell cycle: J.M. Glynn, et al.; Biochem. Soc. Trans. 20, 84S (1992) Abstract
Influence of DNA base sequence on the binding energetics of actinomycin D: S.A. Bailey, et al.; Biochemistry 32, 5881 (1993) Abstract
Nitric oxide ameliorates actinomycin D/endotoxin-induced apoptotic liver failure in mice: M. Akahori, et al.; J. Surg. Res. 85, 286 (1999) Abstract
Tumor necrosis factor-alpha plus actinomycin D-induced apoptosis of L929 cells is prevented by nitric oxide: S. Hakoda, et al.; Surg. Today 29, 1059 (1999) Abstract
Actinomycin D induces apoptosis and inhibits growth of pancreatic cancer cells: J. Kleeff, et al.; Int. J. Cancer 86, 399 (2000) Abstract
Actinomycin D inhibiting K562 cell apoptosis elicited by salvicine but not decreasing its cytotoxicity: C. Qing, et al.; Acta Pharmacol. Sin. 24, 415 (2003) Abstract; Full Text
Actinomycin D induces histone gamma-H2AX foci and complex formation of gamma-H2AX with Ku70 and nuclear DNA helicase II: H.E. Mischo, et al.; J. Biol. Chem. 280, 9586 (2005) Abstract
Actinomycin D upregulates proapoptotic protein Puma and downregulates Bcl-2 mRNA in normal peripheral blood lymphocytes: I. Kalousek, et al.; Anticancer Drugs 18, 763 (2007) Abstract
Actinomycin D enhances TRAIL-induced caspase-dependent and -independent apoptosis in SH-SY5Y neuroblastoma cells: M.J. Wang, et al.; Neurosci. Res. 59, 40 (2007) Abstract
Related Products
 
 
ALX-380-083 Revised 30-Oct-07
Actinomycin X0β
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-083-C200   200 µg 70.00 USD Add To Cart