• Home
  • Sitemap
  • Help
  • Technical Support
  • Contact
Natural Products / Antibiotics
You are here: Product Lines > Natural Products / Antibiotics
Toolbar - View Selection
 
 Items 100-120 of 719 Page 6 of 36 Select Page: << 1 2 3 4 5 6 7 8 9 10  >>  
ALX-350-298 Revised 03-Apr-08
Betulinic acid (~95%)
Add to Clipboard
SYNONYMS 3β-Hydroxy-20(29)-lupaene-28-oic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-298-M100   100 mg 55.00 USD Add To Cart
ALX-350-298-M500   500 mg 180.00 USD Add To Cart
ALX-350-298-G001   1 g 290.00 USD Add To Cart
Inquire
Product Specification
FORMULA: C30H48O3
MW: 456.7
CAS NUMBER: 472-15-1
SOURCE/HOST: Isolated from Platanus acerifolia (plane tree) bark.
PURITY: ≥95% (HPLC)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in DMSO.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C

Product Description
Antitumor and anti-HIV agent. Induces apoptosis by activating mitochondrial permeability transition (MPT). Inhibits NF-κB activation and NF-κB-regulated gene expression induced by carcinogens and inflammatory stimuli. Decreases expression of Bcl-2 and cyclin D1. Potent proteasome activator.
Product Specific Literature References
Anti-AIDS agents, 11. Betulinic acid and platanic acid as anti-HIV principles from Syzigium claviflorum, and the anti-HIV activity of structurally related triterpenoids: T. Fujioka, et al.; J. Nat. Prod. 57, 243 (1994) Abstract
Discovery of betulinic acid as a selective inhibitor of human melanoma that functions by induction of apoptosis: E. Pisha, et al.; Nat. Med. 1, 1046 (1995) Abstract
Betulinic acid and dihydrobetulinic acid derivatives as potent anti-HIV agents: Y. Kashiwada, et al.; J. Med. Chem. 39, 1016 (1996) Abstract
Betulinic acid triggers CD95 (APO-1/Fas)- and p53-independent apoptosis via activation of caspases in neuroectodermal tumors: S. Fulda, et al.; Cancer Res. 57, 4956 (1997) Abstract
Anti-AIDS agents--XXVII. Synthesis and anti-HIV activity of betulinic acid and dihydrobetulinic acid derivatives: F. Hashimoto, et al.; Bioorg. Med. Chem. 5, 2133 (1997) Abstract
Betulinic acid induces apoptosis in human neuroblastoma cell lines: M.L. Schmidt, et al.; Eur. J. Cancer 33, 2007 (1997) Abstract
Induction of p53 without increase in p21WAF1 in betulinic acid-mediated cell death is preferential for human metastatic melanoma: M. Rieber & M. Strasberg Rieber; DNA Cell Biol. 17, 399 (1998) Abstract
Activation of mitochondria and release of mitochondrial apoptogenic factors by betulinic acid: S. Fulda, et al.; J. Biol. Chem. 273, 33942 (1998) Abstract; Full Text
Betulinic acid inhibits aminopeptidase N activity: M.F. Melzig & H. Bormann; Planta Med. 64, 655 (1998) Abstract
Correspondence re: S. Fulda et al., Betulinic acid triggers CD95 (Apo1/Fas)- and p53-independent apoptosis via activation of caspases in neuroectodermal tumors. Cancer Res., 57: 4956, 1997: M. Rieber & M. Strasberg Rieber; Cancer. Res. 58, 5876 (1998) Abstract
Betulinic acid: a new cytotoxic agent against malignant brain-tumor cells: S. Fulda, et al.; Int. J. Cancer 82, 435 (1999) Abstract
Betulinic acid-induced apoptosis in glioma cells: A sequential requirement for new protein synthesis, formation of reactive oxygen species, and caspase processing: W. Wick, et al.; J Pharmacol. Exp. Ther. 289, 1306 (1999) Abstract; Full Text
Effects of betulinic acid alone and in combination with irradiation in human melanoma cells: E. Selzer, et al.; J. Invest. Dermatol. 114, 935 (2000) Abstract
Betulinic acid suppresses carcinogen-induced NF-kappa B activation through inhibition of I kappa B alpha kinase and p65 phosphorylation: abrogation of cyclooxygenase-2 and matrix metalloprotease-9: Y. Takada & B.B. Aggarwal; J. Immunol. 171, 3278 (2003) Abstract
Chemistry, biological activity, and chemotherapeutic potential of betulinic acid for the prevention and treatment of cancer and HIV infection: R.H. Cichewicz & S.A. Kouzi; Med. Res. Rev. 24, 90 (2004), Review Abstract
Betulinic acid-induced apoptosis in leukemia cells: H. Ehrhardt, et al.; Leukemia 18, 1406 (2004) Abstract
Betulinic acid and its derivatives: a review on their biological properties: P. Yogeeswari & D. Sriram; Curr. Med. Chem. 12, 657 (2005), Review Abstract
Betulinic acid decreases expression of bcl-2 and cyclin D1, inhibits proliferation, migration and induces apoptosis in cancer cells: W. Rzeski, et al.; Naunyn Schmiedebergs Arch. Pharmacol. 374, 11 (2006) Abstract
Activation and inhibition of the proteasome by betulinic acid and its derivatives: L. Huang, et al.; FEBS Lett. 581, 4955 (2007) Abstract
 
 
ALX-350-313 Revised 11-Dec-07
3-O-Acetyl-betulinic acid
Add to Clipboard
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-313-M005   5 mg 35.00 USD Add To Cart
ALX-350-313-M025   25 mg 95.00 USD Add To Cart
Product Specification
FORMULA: C32H50O4
MW: 498.8
CAS NUMBER: 10376-50-8
PURITY: ≥97% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO; sparingly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Shows cytotoxic activity on human cancer cell lines.
Product Specific Literature References
Synthesis and cytotoxic activity of 3-O-acyl/3-hydrazine /2-bromo/20,29-dibromo betulinic acid derivatives: R. Mukherjee, et al.; Bioorg. Med. Chem. Lett. 14, 4087 (2004) Abstract
Synthesis of A-seco derivatives of betulinic acid with cytotoxic activity: M. Urban, et al.; J. Nat. Prod. 67, 1100 (2004) Abstract
 
 
ALX-460-002 Revised 13-Mar-06
D-(+)-Biotin
Add to Clipboard
SYNONYMS Vitamin H
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Vitamins
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-460-002-G001   1 g 30.00 USD Add To Cart
ALX-460-002-G005   5 g 140.00 USD Add To Cart
Product Specification
FORMULA: C10H16N2O3S
MW: 244.3
CAS NUMBER: 58-85-5
MERCK INDEX: 14: 1231
PURITY: ≥98%
SOLUBILITY: Soluble in hot water, diluted acids and alkaline solutions; hardly soluble in cold water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HAZARD: MAY BE CARCINOGENIC.

 
 
ALX-350-287 Revised 14-May-07
Bistheonellide A
Add to Clipboard
SYNONYMS Misakinolide A
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Cytoskeletal Research
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-287-C100   100 µg 470.00 USD Add To Cart
Product Specification
FORMULA: C74H128O20
MW: 1337.8
CAS NUMBER: 105304-96-9
SOURCE/HOST: Isolated from the marine sponge Theonella sp.
PURITY: ≥95%
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HAZARD: TOXIC.

Product Description
Inhibits actin polymerization by forming a 1:2 complex with G-actin.
Product Specific Literature References
Cellular changes of rat embryonic fibroblasts by an actin-polymerization inhibitor, bistheonellide A, from a marine sponge: S. Watabe, et al.; Cell. Struct. Func. 21, 199 (1996) Abstract
Misakinolide A is a marine macrolide that caps but does not sever filamentous actin: D.R. Terry, et al.; J. Biol. Chem. 272, 7841 (1997) Abstract
Actin-depolymerizing effect of dimeric macrolides, bistheonellide A and swinholide A: S.Y. Saito, et al.; J. Biochem. (Tokyo) 123, 571 (1998) Abstract
Use of the F-actin-binding drugs, misakinolide A and swinholide A: M.R. Bubb & I. Spector; Meth. Enzymol. 298, 26 (1998) Abstract
A novel structure involved in the formation of liver endothelial cell fenestrae revealed by using the actin inhibitor misakinolide: F. Braet, et al.; PNAS 95, 13635 (1998) Abstract
Effects of Bistheonellide A, an Actin-polymerization Inhibitor, on Chinese Hamster V79 Cells and on IL-8 Production in PMA-stimulated HL-60 Cells: T. Oda, et al.; Mar. Drugs 4, 22 (2006)
Further Categories Containing This Product:
Actin / Related Products
 
 
ALX-380-241 Revised 21-May-08
Blasticidin A
Add to Clipboard
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Antifungal
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-241-M001   1 mg 370.00 USD Add To Cart
Product Specification
FORMULA: C58H107NO23
MW: 1186.5 (free acid)
CAS NUMBER: 100513-53-9
RTECS: EC4897000
SOURCE/HOST: Isolated from Streptomyces sp. MST-AS4079.
PURITY: ≥98% (HPLC)
APPEARANCE:

Yellow tan solid.

SOLUBILITY: Soluble in DMSO, dimethyl formamide or methanol; fairly soluble in water or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: HARMFUL.

Product Description
Antibiotic. Shows broad spectrum antifungal and antibacterial activity. Specific inhibitor of aflatoxin production by Aspergillus parasiticus.
Product Specific Literature References
Blasticidin, a new anti-phytopathogenic fungal substance: K. Fukunaga, et al.; Bull. Agr. Chem. Soc. Jpn. 19, 181 (1955)
Blasticidin A as an inhibitor of aflatoxin production by Aspergillus parasiticus: S. Sakuda, et al.; J. Antibiot. 53, 1265 (2000) Abstract
 
 
ALX-380-089 Revised 29-Jul-08
Blasticidin S . hydrochloride
Add to Clipboard
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - DNA Replication Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-089-M100   100 mg 280.00 USD Add To Cart
Product Specification
FORMULA: C17H26N8O5 . HCl
MW: 422.4 . 36.5
CAS NUMBER: 3513-03-9
MERCK INDEX: 14: 1316
SOURCE/HOST: Isolated from Streptomyces griseochromogenes.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in water; insoluble in organic solvents.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from moisture.
HAZARD: VERY TOXIC.

Product Description
Antibiotic. Inhibitor of DNA and protein synthesis.
Product Specific Literature References
Blasticidin S, a new antibiotic: S. Takeuchi, et al.; J. Antibiot. (Tokyo) 11, 1 (1958) Abstract
The blasticidin S resistance gene (bsr) selectable in a single copy state in the Bacillus subtilis chromosome: M. Itaya, et al.; J. Biochem. 107, 799 (1990) Abstract
Cloning and characterization of the gene encoding a blasticidin S acetyltransferase from Streptoverticillum sp: J.A. Perez-Gonzalez, et al.; Gene 86, 129 (1990) Abstract
Blasticidin S-resistance gene (bsr): a novel selectable marker for mammalian cells: M. Izumi, et al.; Exp. Cell Res. 197, 229 (1991) Abstract
Cloning of the blasticidin S deaminase gene (BSD) from Aspergillus terreus and its use as a selectable marker for Schizosaccharomyces pombe and Pyricularia oryzae: M. Kimura, et al.; Mol. Gen. Genet. 242, 121 (1994) Abstract
Blasticidin S deaminase gene from Aspergillus terreus (BSD): a new drug resistance gene for transfection of mammalian cells: M. Kimura, et al.; Biochim. Biophys. Acta 1219, 653 (1994) Abstract
 
 
ALX-630-107 Revised 21-Feb-08
Bleomycin . sulfate
Add to Clipboard
SYNONYMS Blenoxane
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-630-107-M010   10 mg 155.00 USD Add To Cart
ALX-630-107-M050   50 mg 595.00 USD Add To Cart
Product Specification
FORMULA: C55H82N17O21S3 . H2SO4
MW: 1413.6 . 98.1
CAS NUMBER: 9041-93-4
MERCK INDEX: 14: 1318
RTECS: EC5991990
SOURCE/HOST: A group of related glycopeptide antibiotics isolated from Streptomyces verticillus.
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in water (20mg/ml) or methanol.
ACTIVITY: 1'500-2'000 IU/mg
(corresponds to 1.5-2.0 bleomycin units (USP)/mg)
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Solutions in normal saline (~2mg/ml) are stable for 3 months when stored at +4°C in a glass container or stable for 1 month when stored at +4°C in a PVC container. Solutions in water are stable for several days only.
HAZARD: MAY BE CARCINOGENIC. TOXIC.

Product Description

Radiomimetic DNA-cleaving agent that produces double and single DNA strand breaks through an oxygen-radical-dependent mechanism. Inhibits intracellular DNA replication. DNA alkylating agent. Antineoplastic.

Product Specific Literature References
Bleomycin and other antitumor antibiotics of high molecular weight: H. Umezawa; Antimicrobial Agents Chemother. (Bethesda) 5, 1079 (1965) Abstract
Specificity of deoxyribonucleic acid cleavage by bleomycin, phleomycin, and tallysomycin: J. Kross, et al.; Biochemistry 21, 4310 (1982) Abstract
Chromatin structure during bleomycin-induced DNA damage and repair
:
B.P. Cuiffo, et al.; J. Free Radic. Biol. Med. 1, 139 (1985) Abstract
Cleavage of tRNA by Fe(II)-bleomycin: A. Huttenhofer, et al.; J. Biol. Chem. 267, 24471 (1992) Abstract
Antiangiogenic chemotherapeutic agents: characterization in comparison to their tumor growth inhibition in human renal cell carcinoma models: M. Schirner, et al.; Clin. Cancer Res. 4, 1331 (1998) Abstract
Sequence-specific changes in the metal site of ferric bleomycin induced by the binding of DNA: J.W. Sam, et al.; J. Biol. Chem. 273, 16090 (1998) Abstract
Changes in c-Jun but not Bcl-2 family proteins in p53-dependent apoptosis of mouse cerebellar granule neurons induced by DNA damaging agent bleomycin: T. Araki, et al.; Brain Res. 794, 239 (1998) Abstract
Induction of apoptosis by bleomycin in resting and cycling human lymphocytes: P. Vernole, et al.; Mutagenesis 13, 209 (1998) Abstract
Synergistic Effects of Laserthermia and Bleomycin-sulfate on Micronuclei Formation in Cytokinesis-blocked HeLa Cells: A.Sh. Monfared & H. Mozdarani; Irn. J. Med. Sci. 24, 87 (1999)
Bleomycin: new perspectives on the mechanism of action: S.M. Hecht; J. Nat. Prod. 63, 158 (2000), (Review) Abstract
Bleomycin-induced alterations in DNA replication: relationship to DNA damage: J. Dziegielewski, et al.; Biochemistry 40, 704 (2001) Abstract
 
 
ALX-380-102 Revised 03-Apr-08
Borrelidin
Add to Clipboard
SYNONYMS 2-(7-Cyano-8,16-dihydroxy-9,11,13,15-tetramethyl-18-oxooxacyclooctadeca-4,6-dien-2-yl)cyclopentanecarboxylic acid
Treponemycin
U 78548
C2989
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics for Cell Cycle Research
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-102-MC05   0.5 mg 160.00 USD Add To Cart
ALX-380-102-M001   1 mg 240.00 USD Add To Cart
Product Specification
FORMULA: C28H43NO6
MW: 489.7
CAS NUMBER: 7184-60-3
RTECS: ED8750000
SOURCE/HOST: Isolated from Streptomyces sp.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in DMSO or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: IRRITANT.

Product Description
Antibiotic. Inhibitor of bacterial and eukaryal threonyl-tRNA synthetase (ThrRS). Inhibitor of cyclin-dependent kinase (CDK). Shows angiogenesis inhibiting and antiviral activity.
Product Specific Literature References
Isolation of a cDNA clone for human threonyl-tRNA synthetase: amplification of the structural gene in borrelidin-resistant cell lines: K.J. Kontis and S.M. Arfin; Mol. Cell. Biol. 9, 1832 (1989) Abstract
Genetic analysis of mutations causing borrelidin resistance by overproduction of threonyl-transfer ribonucleic acid synthetase: J. Frohler, et al.; J. Bacteriol. 143, 1135 (1980) Abstract; Full Text
Increased levels of threonyl-tRNA synthetase in a borrelidin-resistant Chinese hamster ovary cell line: J.S. Gantt, et al.; PNAS 78, 5367 (1981) Abstract; Full Text
Chinese hamster ovary cells resistant to borrelidin overproduce threonyl-tRNA synthetase: S.C. Gerken and S.M. Arfin; J. Biol. Chem. 259, 9202 (1984) Abstract; Full Text
Borrelidin inhibits a cyclin-dependent kinase (CDK), Cdc28/Cln2, of Saccharomyces cerevisiae: E. Tsuchiya, et al.; J. Antibiot. 54, 84 (2001) Abstract
Borrelidin induces the transcription of amino acid biosynthetic enzymes via a GCN4-dependent pathway: E.L. Eastwood and S.E. Schaus; Bioorg. Med. Chem. Lett. 13, 2235 (2003) Abstract
Isolation of vivomycin and borrelidin, two antibiotics with anti-viral activity, from a species of Streptomyces (C2989): M. Lumb, et al.; Nature 206, 263 (1965) Abstract
A unique hydrophobic cluster near the active site contributes to differences in borrelidin inhibition among threonyl-tRNA synthetases: B. Ruan, et al.; J. Biol. Chem. 280, 571 (2005) Abstract; Full Text
 
 
ALX-350-019 Revised 17-Apr-08
(+)-Brefeldin A
Add to Clipboard
SYNONYMS BFA
Ascotoxin
Decumbin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Apoptosis Inducers & Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-019-M005   5 mg 80.00 USD Add To Cart
ALX-350-019-M010   10 mg 130.00 USD Add To Cart
ALX-350-019-M025   25 mg 270.00 USD Add To Cart
ALX-350-019-M050   50 mg 420.00 USD Add To Cart
Product Specification
FORMULA: C16H24O4
MW: 280.4
CAS NUMBER: 20350-15-6
MERCK INDEX: 14: 1369
SOURCE/HOST: Isolated from Eupenicillium brefeldianum.