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ALX-380-270 Revised 14-Feb-08
Carbenicillin . disodium salt
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SYNONYMS α-Carboxybenzylpenicillin . 2Na
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics Other Products
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-270-M250   250 mg 35.00 USD Add To Cart
ALX-380-270-G001   1 g 105.00 USD Add To Cart
Product Specification
FORMULA: C17H16N2O6S . 2Na
MW: 376.4 . 46.0
CAS NUMBER: 4800-94-6
MERCK INDEX: 14: 1792
RTECS: ON9105000
SOURCE/HOST: Semisynthetic from penicillin.
PURITY: ≥92% (Assay)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in water (50mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Hygroscopic.
HAZARD: HARMFUL.

Product Description
Analog to ampicillin (Prod. No. ALX-380-268). Inhibits bacterial cell-wall synthesis (peptidoglycan cross-linking) by inactivating transpeptidases on the inner surface of the bacterial cell membrane. Effective against Gram-positive and Gram-negative bacteria and Pseudomonas.
Product Specific Literature References
In vitro susceptibility of Pseudomonas species to carbenicillin and trimethoprim-sulfamethoxazole: S.F. Hill, et al.; J. Clin. Microbiol. 22, 465 (1985) Abstract; Full Text
Nucleotide sequence and characterization of a carbenicillin-hydrolyzing penicillinase gene from Proteus mirabilis: Y. Sakurai, et al.; J. Bacteriol. 173, 7038 (1991) Abstract; Full Text
Stereoselective renal tubular secretion of carbenicillin: T. Itoh, et al.; Antimicrob. Agents Chemother. 37, 2327 (1993) Abstract; Full Text
New carbenicillin-hydrolyzing beta-lactamase (CARB-7) from Vibrio cholerae non-O1, non-O139 strains encoded by the VCR region of the V. cholerae genome: R. Melano, et al.; Antimicrob. Agents Chemother. 46, 2162 (2002) Abstract; Full Text
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ALX-270-264 Revised 17-Apr-08
Carnosic acid
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-264-M010   10 mg 45.00 USD Add To Cart
ALX-270-264-M050   50 mg 140.00 USD Add To Cart
Product Specification
FORMULA: C20H28O4
MW: 332.4
CAS NUMBER: 3650-09-7
SOURCE/HOST: Isolated from Rosmarinus officinalis.
PURITY: ≥95%
APPEARANCE: Yellow powder.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.

Product Description
Naturally occurring phenolic compound with antioxidant properties. Inhibits lipid peroxidation induced by NADH or NADPH oxidation. Peroxisome proliferator-activated receptor γ (PPARγ) activator. Anti-inflammatory. Antimicrobial.
Product Specific Literature References
Antioxidative constituents of Rosmarinus officinalis and Salvia officinalis. II. Isolation of carnosic acid and formation of other phenolic diterpenes: K. Schwarz & W. Ternes; Z. Lebensm. Unters. Forsch. 195, 99 (1992) Abstract
Antioxidant and pro-oxidant properties of active rosemary constituents: carnosol and carnosic acid: O.I. Aruoma, et al.; Xenobiotica 22, 257 (1992) Abstract
Radical intermediates and antioxidants: an ESR study of radicals formed on carnosic acid in the presence of oxidized lipids: M. Geoffroy, et al.; Free Radic. Res. 21, 247 (1994) Abstract
Inhibition of lipid peroxidation and superoxide generation by diterpenoids from Rosmarinus officinalis: H. Haraguchi, et al.; Planta Med. 61, 333 (1995) Abstract
Rosemary components inhibit benzo[a]pyrene-induced genotoxicity in human bronchial cells: E.A. Offord, et al.; Carcinogenesis 16, 2057 (1995) Abstract
Chemiluminescence determination of the in vivo and in vitro antioxidant activity of RoseOx and carnosic acid: A.I. Kuzmenko, et al.; J. Photochem. Photobiol. B 48, 63 (1999) Abstract
Carnosic acid and carnosol, phenolic diterpene compounds of the labiate herbs rosemary and sage, are activators of the human peroxisome proliferator-activated receptor gamma: O. Rau, et al.; Planta Med. 72, 881 (2006) Abstract
Potentiation of antimicrobial activity of aminoglycosides by carnosol from Salvia officinalis: K. Horiuchi, et al.; Biol. Pharm. Bull. 30, 287 (2007) Abstract
 
 
ALX-270-254 Revised 22-Sep-08
Carnosol
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SYNONYMS 1,3,4,9,10,10aS-Hexahydro-5,6-dihydroxy-1,1-dimethyl-7-isopropyl-2H-9S,4aR-(epoxymethano)phenanthren-12-one
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
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ALX-270-254-M001   1 mg 60.00 USD Add To Cart
ALX-270-254-M005   5 mg 269.00 USD Add To Cart
Product Specification
FORMULA: C20H26O4
MW: 330.4
CAS NUMBER: 5957-80-2
SOURCE/HOST: Isolated from Rosmarinus officinalis.
PURITY: ≥96%
APPEARANCE: White to beige solid.
SOLUBILITY: Soluble in 100% ethanol (8mg/ml), DMSO (250mg/ml) or dimethyl formamide (35mg/ml); sparingly soluble in aqueous PBS, pH 7.2 (<30μg/ml).
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for at least 1 year when stored at -20°C. We do not recommend storing aqueous solutions for more than one day.
HANDLING: Protect from light.

Product Description
Naturally occurring phenolic compound with antioxidant and anti-inflammatory properties. Suppresses nitric oxide (NO) production and inducible nitric oxide synthase (iNOS; NOS II) gene expression by inhibiting NF-κB activation. Inhibits lipid peroxidation. Antimicrobial. Anticarcinogenic. Inhibits cyclooxygenase-2 (COX-2).
Product Specific Literature References
Antioxidant and pro-oxidant properties of active rosemary constituents: carnosol and carnosic acid: O.I. Aruoma, et al.; Xenobiotica 22, 257 (1992) Abstract
Effects of three dietary phytochemicals from tea, rosemary and turmeric on inflammation-induced nitrite production: M.M. Chan, et al.; Cancer Lett. 96, 23 (1995) Abstract
Inhibition of lipid peroxidation and superoxide generation by diterpenoids from Rosmarinus officinalis: H. Haraguchi, et al.; Planta Med. 61, 333 (1995) Abstract
Inhibition by rosemary and carnosol of 7,12-dimethylbenz[a]anthracene (DMBA)-induced rat mammary tumorigenesis and in vivo DMBA-DNA adduct formation: K. Singletary, et al.; Cancer Lett. 104, 43 (1996) Abstract
Development of in vitro models for cellular and molecular studies in toxicology and chemoprevention: K. Macé, et al.; Arch. Toxicol. Suppl. 20, 227 (1998) Abstract
Carnosol, an antioxidant in rosemary, suppresses inducible nitric oxide synthase through down-regulating nuclear factor-kappaB in mouse macrophages: A.H. Lo, et al.; Carcinogenesis 23, 983 (2002) Abstract
Carnosic acid and carnosol, phenolic diterpene compounds of the labiate herbs rosemary and sage, are activators of the human peroxisome proliferator-activated receptor gamma: O. Rau, et al.; Planta Med. 72, 881 (2006) Abstract
Potentiation of antimicrobial activity of aminoglycosides by carnosol from Salvia officinalis: K. Horiuchi, et al.; Biol. Pharm. Bull. 30, 287 (2007) Abstract
 
 
ALX-460-004 Revised 28-Nov-08
β-Carotene
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SYNONYMS Provitamin A
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Retinol [Vitamin A] & Retinol Derivatives / Related Products
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ALX-460-004-G005   5 g 65.00 USD Add To Cart
Product Specification
FORMULA: C40H56
MW: 536.9
CAS NUMBER: 7235-40-7
MERCK INDEX: 14: 1853
SOURCE/HOST: Synthetic.
PURITY: ≥97%
APPEARANCE: Red to deep red powder.
SOLUBILITY: Soluble in DMSO, n-hexane, carbon disulfide, chloroform (10mg/ml), benzene or vegetable oils; slightly soluble in ether, petroleum ether or oils; almost insoluble in 100% ethanol, methanol, water, diluted acidic or alkaline solutions.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HANDLING: Protect from light. Absorbs oxygen from air. Keep under inert gas.

Further Categories Containing This Product:
VitaminsNatural Products - AntioxidantsActive Substances from Fruit and Vegetables
 
 
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-385-017 Revised 01-Apr-08
(+)-Catechin . monohydrate
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SYNONYMS (+)-3,3',4',5,7-Flavanpentol
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
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ALX-385-017-G001   1 g 20.00 USD Add To Cart
Product Specification
FORMULA: C15H14O6 . H2O
MW: 290.3 . 18.0
CAS NUMBER: 88191-48-4, 225937-10-0
MERCK INDEX: 14: 1902
PURITY: ≥98% (TLC)
APPEARANCE: Off-white to yellow powder.
SOLUBILITY: Soluble in 100% ethanol (50mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: IRRITANT.

Product Description
Antioxidant flavonoid. Free radical scavenger. Has chemopreventive and antitumor properties.
Product Specific Literature References
Adjuvant chemoprevention of experimental cancer: catechin and dietary turmeric in forestomach and oral cancer models: M.A. Azuine & S.V. Bhide; J. Ethnopharmacol. 44, 211 (1994) Abstract
Chemoprevention of mammary tumor virus-induced and chemical carcinogen-induced rodent mammary tumors by natural plant products: S.V. Bhide, et al.; Breast Cancer Res. Treat. 30, 233 (1994) Abstract
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Flavonoids as anticancer agents: structure-activity relationship study: M. Lopez-Lazaro; Curr. Med. Chem. Anticancer Agents 2, 691 (2002), (Review) Abstract
In vitro biological properties of flavonoid conjugates found in vivo: G. Williamson, et al.; Free Radic. Res. 39, 457 (2005), (Review) Abstract
(+)-Catechin prevents ultraviolet B-induced human keratinocyte death via inhibition of JNK phosphorylation: W.B. Wu, et al.; Life Sci. 79, 801 (2006) Abstract
Antispasmodic, bronchodilator and vasodilator activities of (+)-catechin, a naturally occurring flavonoid: M.N. Ghayur, et al.; Arch. Pharm. Res. 30, 970 (2007) Abstract
 
 
ALX-385-002 Revised 11-Nov-08
(±)-Catechin
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SYNONYMS (±)-3,3',4',5,7-Flavanpentol
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antioxidants
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ALX-385-002-G001   1 g 80.00 USD Add To Cart
Product Specification
FORMULA: C15H14O6
MW: 290.3 (anhydrous basis)
CAS NUMBER: 7295-85-4
MERCK INDEX: 14: 1902
PURITY: ≥98% (HPLC)
APPEARANCE: White to yellow powder.
SOLUBILITY: Soluble in methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light. Keep under inert gas.
HAZARD: IRRITANT.
IDENTITY: Identity determined by IR.

Product Description
Antioxidant flavonoid. Free radical scavenger. Has chemopreventive and antitumor properties.
Product Specific Literature References
Adjuvant chemoprevention of experimental cancer: catechin and dietary turmeric in forestomach and oral cancer models: M.A. Azuine & S.V. Bhide; J. Ethnopharmacol. 44, 211 (1994) Abstract
Chemoprevention of mammary tumor virus-induced and chemical carcinogen-induced rodent mammary tumors by natural plant products: S.V. Bhide, et al.; Breast Cancer Res. Treat. 30, 233 (1994) Abstract
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Flavonoids as anticancer agents: structure-activity relationship study: M. Lopez-Lazaro; Curr. Med. Chem. Anticancer Agents 2, 691 (2002), (Review) Abstract
In vitro biological properties of flavonoid conjugates found in vivo: G. Williamson, et al.; Free Radic. Res. 39, 457 (2005), (Review) Abstract
(+)-Catechin prevents ultraviolet B-induced human keratinocyte death via inhibition of JNK phosphorylation: W.B. Wu, et al.; Life Sci. 79, 801 (2006) Abstract
Antispasmodic, bronchodilator and vasodilator activities of (+)-catechin, a naturally occurring flavonoid: M.N. Ghayur, et al.; Arch. Pharm. Res. 30, 970 (2007) Abstract
 
 
ALX-350-101 Revised 03-Apr-08
Catharanthine . tartrate
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SYNONYMS 3,4-Didehydroibogamine-18-carboxylic acid methyl ester . tartrate
7-Ethyl-9,10,12,13-tetrahydro-6,9-methano-5H-pyrido[1’,2’:1,2]azepino[4,5-b]indole-6(6aH)-carboxylic acid methyl ester . tartrate
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Cytoskeletal Research
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ALX-350-101-M100   100 mg 160.00 USD Add To Cart
ALX-350-101-G001   1 g 430.00 USD Add To Cart
Product Specification
FORMULA: C21H24N2O2 . C4H6O6
MW: 336.4 . 150.1
CAS NUMBER: 2648-21-5
MERCK INDEX: 14: 1904
SOURCE/HOST: Isolated from Catharanthus roseus.
PURITY: ≥90%
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Very hygroscopic. Keep cool and dry.

Product Description

Starting material for the synthesis of the antitumor drugs vinblastine and vincristine.  It is less active as an inhibitor of tubulin self-assembly into microtubules than the latter two compounds.

Product Specific Literature References
Photochemical one-pot synthesis of vinblastine and vincristine: S. Pennanen & A. Huhtikangas; Photochem. Photobiol. 51, 515 (1990) Abstract
Mechanism of interaction of vinca alkaloids with tubulin: catharanthine and vindoline: V. Prakash & S.N. Timasheff; Biochemistry 30, 873 (1991) Abstract
Further Categories Containing This Product:
Microtubule ModulatorsNatural Products - Antitumor ReagentsAlkaloids
 
 
ALX-380-016 Revised 30-Oct-07
Cefaclor
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SYNONYMS 7-(D-2-Amino-2-phenylacetamido)-3-chloro-3-cephem-4-carboxylic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics Other Products
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-380-016-M050   50 mg 20.00 USD Add To Cart
ALX-380-016-M250   250 mg 50.00 USD Add To Cart
ALX-380-016-G001   1 g 150.00 USD Add To Cart
ALX-380-016-G005   5 g 350.00 USD Add To Cart
Product Specification
FORMULA: C15H14ClN3O4S
MW: 367.8
CAS NUMBER: 53994-73-3
MERCK INDEX: 14: 1912
PURITY: ≥97%
APPEARANCE: Light yellow powder.
SOLUBILITY: Soluble in water.
SHIPPING: