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Antibiotics - DNA Replication Inhibitors
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ALX-380-089 Revised 29-Jul-08
Blasticidin S . hydrochloride
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - DNA Replication Inhibitors
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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-380-287 Revised 15-Apr-08
Ciprofloxacin
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SYNONYMS 1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1- piperazinyl)-3-quinolinecarboxylic acid
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ALX-380-287-G005   5 g 20.00 USD Add To Cart
ALX-380-287-G025   25 g 60.00 USD Add To Cart
Product Specification
FORMULA: C17H18FN3O3
MW: 331.3
CAS NUMBER: 85721-33-1
MERCK INDEX: 14: 2314
RTECS: VB1993800
PURITY: ≥98% (Assay)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in dilute hydrochloric acid; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description

Fluoroquinolone antibacterial agent. Inhibits bacterial DNA gyrase (topoisomerase). Inhibits cell division and causes double-strand breaks in the bacterial chromosome. Broad-spectrum antibiotic effective against Gram-positive, Gram-negative and anaerobic bacteria. Effective against Mycobacterium tuberculosis. Potentially anxiogenic.

Product Specific Literature References
Is ciprofloxacin active against clinically important anaerobes?: B. Watt & F.V. Brown; J. Antimicrob. Chemother. 17, 605 (1986) Abstract
Ciprofloxacin and norfloxacin, two fluoroquinolone antimicrobials: D.E. Nix & J.M DeVito; Clin. Pharm. 6, 105 (1987) Abstract
Mechanisms of action of and resistance to ciprofloxacin: D.C. Hooper, et al.; Am. J. Med. 82, 12 (1987) Abstract
Moxifloxacin, ofloxacin, sparfloxacin, and ciprofloxacin against Mycobacterium tuberculosis: evaluation of in vitro and pharmacodynamic indices that best predict in vivo efficacy: R.K. Shandil, et al.; Antimicrob. Agents Chemother. 51, 576 (2007) Abstract; Full Text
Anxiogenic potential of ciprofloxacin and norfloxacin in rats: S. Sen, et al.; Singapore Med. J. 48, 1028 (2007) Abstract; Full Text
 
 
ALX-380-288 Revised 08-Aug-08
Ciprofloxacin . hydrochloride
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SYNONYMS 1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid . hydrochloride
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ALX-380-288-G005   5 g 20.00 USD Add To Cart
ALX-380-288-G025   25 g 55.00 USD Add To Cart
Product Specification
FORMULA: C17H18FN3O3 . HCl . H2O
MW: 331.3 . 36.5 . 18.0
CAS NUMBER: 86393-32-0
MERCK INDEX: 14: 2314
PURITY: ≥88.5% (Assay)
APPEARANCE: White to light yellow powder.
SOLUBILITY: Soluble in water (35mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Fluoroquinolone antibacterial agent. Inhibits bacterial DNA gyrase (topoisomerase). Inhibits cell division and causes double-strand breaks in the bacterial chromosome. Broad-spectrum antibiotic effective against Gram-positive, Gram-negative and anaerobic bacteria. Effective against Mycobacterium tuberculosis. Potentially anxiogenic.
Product Specific Literature References
Is ciprofloxacin active against clinically important anaerobes?: B. Watt & F.V. Brown; J. Antimicrob. Chemother. 17, 605 (1986) Abstract
Ciprofloxacin and norfloxacin, two fluoroquinolone antimicrobials: D.E. Nix & J.M. DeVito; Clin. Pharm. 6, 105 (1987) Abstract
Mechanisms of action of and resistance to ciprofloxacin: D.C. Hooper, et al.; Am. J. Med. 82, 12 (1987) Abstract
Moxifloxacin, ofloxacin, sparfloxacin, and ciprofloxacin against Mycobacterium tuberculosis: evaluation of in vitro and pharmacodynamic indices that best predict in vivo efficacy: R.K. Shandil, et al.; Antimicrob. Agents Chemother. 51, 576 (2007) Abstract; Full Text
Anxiogenic potential of ciprofloxacin and norfloxacin in rats: S. Sen, et al.; Singapore Med. J. 48, 1028 (2007) Abstract; Full Text
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ALX-380-289 Revised 05-Aug-08
Clinafloxacin
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SYNONYMS 7-(3-Amino-1-pyrrolidinyl)-8-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid
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ALX-380-289-M250   250 mg 55.00 USD Add To Cart
ALX-380-289-G001   1 g 160.00 USD Add To Cart
Product Specification
FORMULA: C17H17ClFN3O3
MW: 365.8
CAS NUMBER: 105956-97-6
MERCK INDEX: 14: 2355
PURITY: ≥95% (Assay)
APPEARANCE: White to light yellow crystalline powder.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
IDENTITY: Identity determined by NMR.

Product Description
Fluoroquinolone with broad-spectrum activity against Gram-negative and Gram-positive bacteria, aerobes and anaerobes. Inhibits bacterial DNA topoisomerase IV and DNA gyrase.
Product Specific Literature References
DNA gyrase and topoisomerase IV are dual targets of clinafloxacin action in Streptococcus pneumoniae: X.S. Pan & L.M. Fisher; Antimicrob. Agents Chemother. 42, 2810 (1998) Abstract; Full Text
Streptococcus pneumoniae DNA gyrase and topoisomerase IV: overexpression, purification, and differential inhibition by fluoroquinolones: X.S. Pan and L.M. Fisher; Antimicrob. Agents Chemother. 43, 1129 (1999) Abstract; Full Text
Fluoroquinolones inhibit preferentially Streptococcus pneumoniae DNA topoisomerase IV than DNA gyrase native proteins: E. Fernandez-Moreira, et al.; Microb. Drug Resist. 6, 259 (2000) Abstract
Activities of clinafloxacin, gatifloxacin, gemifloxacin, and trovafloxacin against recent clinical isolates of levofloxacin-resistant Streptococcus pneumoniae: J.H. Jorgensen, et al.; Antimicrob. Agents Chemother. 44, 2962 (2000) Abstract; Full Text
 
 
ALX-380-201 Revised 27-Jun-08
Echinomycin
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SYNONYMS Quinomycin A
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - DNA Replication Inhibitors
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ALX-380-201-M001   1 mg 80.00 USD Add To Cart
ALX-380-201-M005   5 mg 320.00 USD Add To Cart
Product Specification
FORMULA: C51H64N12O12S2
MW: 1101.3
CAS NUMBER: 512-64-1
MERCK INDEX: 14: 3497
RTECS: JW5250000
SOURCE/HOST: Isolated from Streptomyces echinatus (DSM 40013).
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in 100% ethanol, dimethyl formamide or DMSO; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Hygroscopic.
HAZARD: TOXIC. MAY BE MUTAGENIC.
IDENTITY: Identity determined by 1H-NMR.

Product Description
Antitumor antibiotic. Powerful, selective inhibitor of nucleic acid synthesis in vitro. Potent inhibitor of hypoxia-inducible factor 1 (HIF-1) DNA binding activity. Induces apoptosis. Displays antibacterial, antifungal and antiviral activities.
Product Specific Literature References
A “quinoxaline antibiotic” similar to the triostins, q.v.: I. Kuroya, et al.; J. Antibiot. 14A, 324 (1961)
Identity of levomycin and quinomycin A (echimomycin): K. Katagiri, et al.; J. Antibiot. 15, 273 (1962) Abstract
The mode of action of quinoxaline antibiotics. Interaction of quinomycin A with deoxyribonucleic acid: K. Sato, et al.; J. Antibiot. 20, 270 (1967) Abstract
The binding of echinomycin to deoxyribonucleic acid: S.P. Wakelin & M.J. Waring; Biochem. J. 157, 721 (1976) Abstract; Full Text
Bifunctional intercalation and sequence specificity in the binding of quinomycin and triostin antibiotics to deoxyribonucleic acid: J.S. Lee & M.J. Waring; Biochem. J. 173, 115 (1978) Abstract; Full Text
Kinetics of the interaction between echinomycin and deoxyribonucleic acid: K.R. Fox, et al.; Biochemistry 20, 5768 (1981) Abstract
Sequence-specific binding of echinomycin to DNA: evidence for conformational changes affecting flanking sequences: C.M. Low, et al.; Nucl. Acids Res. 12, 4865 (1984) Abstract; Full Text
Echinomycin binding sites on DNA: M.M. Van Dyke & P.B. Dervan; Science 225, 1122 (1984) Abstract
Kinetic evidence that echinomycin migrates between potential DNA binding sites: K.R. Fox & M.J. Waring; Nucl. Acids Res. 13, 595 (1985) Abstract; Full Text
Effect of echinomycin on DNA methylation: R.L. Adams & A. Rinaldi; FEBS Lett. 215, 266 (1987) Abstract
Interaction of echinomycin with An.Tn. and (AT)n regions flanking its CG binding site: K. Waterloh & K.R. Fox; Nucl. Acids Res. 19, 6719 (1991) Abstract; Full Text
Localized chemical reactivity in DNA associated with the sequence-specific bisintercalation of echinomycin: C. Bailly, et al.; Biochem. J. 300, 165 (1994) Abstract; Full Text
Energetics of echinomycin binding to DNA: F. Leng, et al.; Nucl. Acids Res. 31, 6191 (2003) Abstract; Full Text
Echinomycin inhibits chromosomal DNA replication and embryonic development in vertebrates: L.G. May, et al.; Nucl. Acids Res. 32, 65 (2004) Abstract; Full Text
Echinomycin and a novel analogue induce apoptosis of HT-29 cells via the activation of MAP kinases pathway: J.Y. Park, et al.; Pharmacol. Res. 50, 201 (2004) Abstract
Echinomycin, a small-molecule inhibitor of hypoxia-inducible factor-1 DNA-binding activity: D. Kong, et al.; Cancer Res. 65, 9047 (2005) Abstract; Full Text
Molecular signaling cascade in DNA bisintercalator, echinomycin-induced apoptosis of HT-29 cells: evidence of the apoptotic process via activation of the cytochrome c-ERK-caspase-3 pathway: J.Y. Park, et al.; Int. J. Biochem. Cell Biol. 38, 244 (2006) Abstract
Synergistic effects of CoCl(2) and ROCK inhibition on mesenchymal stem cell differentiation into neuron-like cells: E. Pacary, et al.; J. Cell Sci. 119, 2667 (2006) Abstract; Full Text
Metabolic targeting of hypoxia and HIF1 in solid tumors can enhance cytotoxic chemotherapy: R.A. Cairns, et al.; PNAS 104, 9445 (2007) Abstract
 
 
ALX-380-290 Revised 15-Apr-08
Enrofloxacin
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SYNONYMS 1,4-Dihydro-1-cyclopropyl-7-(4-ethyl-1-piperazinyl)-6-fluoro-4-oxo-3-quinolinecarboxylic acid
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ALX-380-290-G005   5 g 30.00 USD Add To Cart
ALX-380-290-G025   25 g 120.00 USD Add To Cart
Product Specification
FORMULA: C19H22FN3O3
MW: 359.4
CAS NUMBER: 93106-60-6
MERCK INDEX: 14: 3592
RTECS: VB1993650
PURITY: ≥98% (Assay)
APPEARANCE: White to light yellow crystalline powder.
SOLUBILITY: Slightly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description

Fluoroquinolone with broad spectrum activity against Gram-negative and Gram-positive bacteria as well as against Mycoplasma spp. Inhibits bacterial DNA-gyrase (topoisomerase).

Product Specific Literature References
Enrofloxacin: a new antimicrobial agent: J. Schroder; J. S. Afr. Vet. Assoc. 60, 122 (1989) Abstract
 
 
ALX-380-291 Revised 15-Apr-08
Gatifloxacin
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SYNONYMS AM-1155
1-Cyclopropyl-6-fluoro-1,4-dihydro-8-methoxy-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid
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ALX-380-291-G001   1 g 60.00 USD Add To Cart
ALX-380-291-G005   5 g 240.00 USD Add To Cart
Product Specification
FORMULA: C19H22FN3O4
MW: 375.4
CAS NUMBER: 112811-59-3
MERCK INDEX: 14: 4376
PURITY: ≥98% (Assay)
APPEARANCE: White to yellow crystalline powder.
SOLUBILITY: Soluble in water at pH 2-5 (40-60mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description

Fluoroquinolone with broad spectrum activity against Gram-negative and Gram-positive bacteria. Inhibits bacterial DNA-gyrase and topoisomerase IV. May cause dysglycemia.

Product Specific Literature References
Comparison of the antibacterial activities of the quinolones Bay 12-8039, gatifloxacin (AM 1155), trovafloxacin, clinafloxacin, levofloxacin and ciprofloxacin: A. Bauernfeind; J. Antimicrob. Chemother. 40, 639 (1997) Abstract; Full Text
Activities of gatifloxacin compared to those of seven other agents against anaerobic organisms: L.M. Ednie, et al.; Antimicrob. Agents Chemother. 42, 2459 (1998) Abstract; Full Text
Inhibitory activities of gatifloxacin (AM-1155), a newly developed fluoroquinolone, against bacterial and mammalian type II topoisomerases: M. Takei, et al.; Antimicrob. Agents Chemother. 42, 2678 (1998) Abstract; Full Text
Primary targets of fluoroquinolones in Streptococcus pneumoniae: H. Fukuda & K. Hiramatsu; Antimicrob. Agents Chemother. 43, 410 (1999) Abstract; Full Text
Gatifloxacin: C.M. Perry, et al.; Drugs 58, 683 (1999), (Review) Abstract
Contributions of the 8-methoxy group of gatifloxacin to resistance selectivity, target preference, and antibacterial activity against Streptococcus pneumoniae: H. Fukuda, et al.; Antimicrob. Agents Chemother. 45, 1649 (2001) Abstract; Full Text
Gatifloxacin affects GLUT1 gene expression and disturbs glucose homeostasis in vitro: T.F. Ge, et al.; Eur. J. Pharmacol. 573, 70 (2007) Abstract
Gatifloxacin-associated hypoglycemia: T. Ali, et al.; J. Okla. State Med. Assoc. 100, 425 (2007) Abstract
Gatifloxacin produces both hypoglycemia and hyperglycemia: a retrospective study: H. Haerian, et al.; Am. J. Med. Sci. 335, 95 (2008) Abstract
 
 
ALX-380-292 Revised 15-Apr-08
Levofloxacin . hydrochloride
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SYNONYMS (S)-(-)-9-fluoro-2,3-dihydro-3-methyl-10- (4-methyl-1-piperazinyl)-7-oxo-7H-pyrido [1,2,3-de]-1,4-benzoxazine-6-carboxylic acid . hydrochloride
S-(-)-Ofloxacin . hydrochloride
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ALX-380-292-G001   1 g 30.00 USD Add To Cart
ALX-380-292-G005   5 g 70.00 USD Add To Cart
Product Specification
FORMULA: C18H20FN3O4 . HCl
MW: 361.4 . 36.5
CAS NUMBER: 177325-13-2
MERCK INDEX: 14: 6771
RTECS: UU8815550
PURITY: ≥89.5% (Assay)
APPEARANCE: Slightly yellow crystalline powder.
SOLUBILITY: Soluble in water (25mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: HARMFUL.

Product Description

Fluoroquinolone with broad spectrum activity against Gram-negative and Gram-positive bacteria. Active enantiomer of ofloxacin with twice its potency. Inhibits bacterial DNA-gyrase (topoisomerase).

Product Specific Literature References
Levofloxacin. A review of its antibacterial activity, pharmacokinetics and therapeutic efficacy: R. Davis & H.M: Bryson; Drugs 47, 677 (1994) Abstract
The clinical pharmacokinetics of levofloxacin: D.N. Fish & A.T. Chow; Clin. Pharmacokinet. 32, 101 (1997) Abstract
Levofloxacin: an updated review of its use in the treatment of bacterial infections: M. Hurst, et al.; Drugs 62, 2127 (2002) Abstract
Levofloxacin : a review of its use as a high-dose, short-course treatment for bacterial infection: V.R. Anderson & C.M. Perry; Drugs 68, 535 (2008) Abstract
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ALX-380-293 Revised 04-Aug-08
Lomefloxacin . hydrochloride
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SYNONYMS 1-Ethyl-6,8-difluoro-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid
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ALX-380-293-G001   1 g 20.00 USD Add To Cart
ALX-380-293-G005   5 g 80.00 USD Add To Cart
Product Specification
FORMULA: C17H19F2N3O3 . HCl
MW: 351.4 . 36.5
CAS NUMBER: 98079-52-8
MERCK INDEX: 14: 5562
RTECS: VB1997500
PURITY: ≥89% (Assay)
APPEARANCE: White to off-white crystalline powder.
SOLUBILITY: Soluble in 1M sodium hydroxide (50mg/ml); sparingly soluble in water; insoluble in 100% et