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Anti-inflammatory Agents
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ALX-270-480 Revised 10-Mar-08
Caffeic acid ethyl ester
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SYNONYMS CAEE
Ethyl caffeate
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-480-M050   50 mg 20.00 USD Add To Cart
ALX-270-480-M250   250 mg 60.00 USD Add To Cart
Product Specification
FORMULA: C11H12O4
MW: 208.2
CAS NUMBER: 66648-50-8
SOURCE/HOST: Synthetic.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for at least one year after receipt when stored at -20°C.
HANDLING: Protect from light and moisture.

Product Description
Shows anti-carcinogenic, anti-inflammatory and immunomodulatory properties. Suppresses lipopolysaccharide (LPS)-induced nitric oxide (NO) production (IC50=5.5µg/ml). Potent and specific inhibitor of NF-κB and its downstream inflammatory mediators inducible nitric oxide synthase (iNOS; NOS II), prostaglandin E2 (PGE2) and cyclooxygenase-2 (COX-2). Prevents DNA single-strand breaks caused by H2O2.
Product Specific Literature References
Inhibitory effects of caffeic acid ethyl ester on H2O2-induced cytotoxicity and DNA single-strand breaks in Chinese hamster V79 cells: T. Nakayama, et al.; Biosci. Biotechnol. Biochem. 60, 316 (1996) Abstract
Ethyl caffeate suppresses NF-kappaB activation and its downstream inflammatory mediators, iNOS, COX-2, and PGE2 in vitro or in mouse skin: Y.M. Chiang, et al.; Br. J. Pharmacol. 146, 352 (2005) Abstract
Antitumor activity of some natural flavonoids and synthetic derivatives on various human and murine cancer cell lines: M. Cardenas, et al.; Bioorg. Med. Chem. 14, 2966 (2006) Abstract
Drastic effect of several caffeic acid derivatives on the induction of heme oxygenase-1 expression revealed by quantitative real-time RT-PCR: K. Suzuki, et al.; Biofactors 28, 151 (2006) Abstract
 
 
ALX-350-278 Revised 08-Apr-08
Caffeic acid n-octyl ester
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SYNONYMS n-Octylcaffeate
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - NF-kB Pathway Inhibitors
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ALX-350-278-M005   5 mg 25.00 USD Add To Cart
ALX-350-278-M025   25 mg 100.00 USD Add To Cart
Product Specification
FORMULA: C17H24O4
MW: 292.2
PURITY: ≥99%
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
More potent analog than CAPE (Prod. No. ALX-270-244). Suppressor of inducible nitric oxide synthase (iNOS; NOS II). Induces apoptosis.
Product Specific Literature References
Mechanism of toxicity of esters of caffeic and dihydrocaffeic acids: B. Etzenhouser, et al.; Bioorg. Med. Chem. 9, 199 (2001) Abstract
A novel antioxidant, octyl caffeate, suppression of LPS/IFN-gamma-induced inducible nitric oxide synthase gene expression in rat aortic smooth muscle cells: G. Hsiao, et al.; Biochem. Pharmacol. 65, 1383 (2003) Abstract
Caffeic acid derivatives: in vitro and in vivo anti-inflammatory properties: F.M. da Cunha, et al.; Free Radic. Res. 38, 1241 (2004) Abstract
Octylcaffeate induced apoptosis in human leukemia U937 cells: M. Ujibe, et al.; Biol. Pharm. Bull. 28, 2338 (2005) Abstract
General Information
Octylcaffeate significantly ameliorates circulatory failure of endotoxemia by suppression of iNOS (NOS II) expression through inactivation of mitogen-activated protein kinases.
 
 
ALX-270-244 Revised 03-Apr-08
Caffeic acid phenylethyl ester
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SYNONYMS CAPE
Phenethyl caffeiate
Caffeic acid phenethyl ester
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-244-M010   10 mg 20.00 USD Add To Cart
ALX-270-244-M050   50 mg 60.00 USD Add To Cart
Product Specification
FORMULA: C17H16O4
MW: 284.3
CAS NUMBER: 115610-29-2
SOURCE/HOST: Synthetic.
PURITY: ≥97% (HPLC)
APPEARANCE: White to off-white crystalline solid.
SOLUBILITY: Soluble in DMSO, 100% ethanol, methanol, acetone or acetonitrile; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for at least one year after receipt when stored at –20°C.
HANDLING: Protect from light and moisture.
HAZARD: IRRITANT.

Product Description
Active component of propolis from honeybee hives, known to have anti-mitogenic, anti-carcinogenic, anti-inflammatory, and immunomodulatory properties. Potent and specific inhibitor of NF-κB activation, induced by TNF-α (Prod. No. ALX-522-008 (human) or Prod. No. ALX-522-009 (mouse)), PMA (Prod. No. ALX-445-004) and other inflammatory agents. Exhibits inhibitory activity against HIV-1 integrase (IC50=7µM). Suppresses lipid peroxidation and inhibits ornithine decarboxylase, protein tyrosine kinase and lipoxygenase activities. Induces apoptosis.
Product Specific Literature References
Hydroxylated aromatic inhibitors of HIV-1 integrase: T.R. Burke Jr., et al.; J. Med. Chem. 38, 4171 (1995) Abstract
Apoptosis and altered redox state induced by caffeic acid phenethyl ester (CAPE) in transformed rat fibroblast cells: C. Chiao, et al.; Cancer Res. 55, 3576 (1995) Abstract
Caffeic acid phenethyl ester is a potent and specific inhibitor of activation of nuclear transcription factor NF-kappa B: K. Natarajan, et al.; PNAS 93, 9090 (1996) Abstract
Inhibitory effects of caffeic acid phenethyl ester on the activity and expression of cyclooxygenase-2 in human oral epithelial cells and in a rat model of inflammation: P. Michaluart, et al.; Cancer Res. 59, 2347 (1999) Abstract
Caffeic acid phenethyl ester induces leukocyte apoptosis, modulates nuclear factor-kappa B and suppresses acute inflammation: Z. Orban, et al.; Neuroimmunomodulation 7, 99 (2000) Abstract
Caffeic acid phenethyl ester inhibits T-cell activation by targeting both nuclear factor of activated T-cells and NF-kappaB transcription factors: N. Marquez, et al.; J. Pharmacol. Exp. Ther. 308, 993 (2004) Abstract
Caffeic acid derivatives: in vitro and in vivo anti-inflammatory properties: F.M. da Cunha, et al.; Free Radic. Res. 38, 1241 (2004) Abstract
Drastic effect of several caffeic acid derivatives on the induction of heme oxygenase-1 expression revealed by quantitative real-time RT-PCR: K. Suzuki, et al.; Biofactors 28, 151 (2006) Abstract
 
 
ALX-550-322 Revised 29-Oct-07
Caffeine
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SYNONYMS 1,3,7-Trimethylxanthine
3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Neurological Research
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ALX-550-322-G005   5 g 10.00 USD Add To Cart
Product Specification
FORMULA: C8H10N4O2
MW: 194.2
CAS NUMBER: 58-08-2
MERCK INDEX: 14: 1636
SOURCE/HOST: Found in tea leaves, coffee beans, cocoa beans, maté leaves, guarana paste and kola nuts.
PURITY: ≥99%
APPEARANCE: White powder.
SOLUBILITY: Soluble in chloroform, 100% alcohol or hot water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HAZARD: TOXIC.

Product Description
CNS stimulant. Blocks adenosine A1 and A2A receptors. cAMP phosphodiesterase inhibitor. Interferes with the uptake and storage of Ca2+ by the sarcoplasmic reticulum in skeletal muscle. Prevents apoptosis and cell cycle effects induced by various chemicals. Inhibits cellular DNA repair mechanisms. Anti-inflammatory.
Product Specific Literature References
Analogues of caffeine and theophylline: effect of structural alterations on affinity at adenosine receptors: J.W. Daly, et al.; J. Med. Chem. 29, 1305 (1986) Abstract
Caffeine as an analgesic adjuvant: a review of pharmacology and mechanisms of action: J. Sawynok & T.L. Yaksh; Pharmacol. Rev. 45, 43 (1993) Abstract
Caffeine prevents apoptosis and cell cycle effects induced by camptothecin or topotecan in HL-60 cells: F. Traganos, et al.; Cancer Res. 53, 4613 (1993) Abstract
Multiple effects of caffeine on calcium current in rat ventricular myocytes: I. Zahradnik & P. Palade; Pfluegers Arch. 424, 129 (1993) Abstract
Acute effects of caffeine on arterial stiffness, wave reflections, and central aortic pressures: T.G. Papaioannou, et al.; Am. J. Hypertens. 18, 129 (2005), (Review) Abstract
Caffeine and the dopaminergic system: O. Cauli & M. Morelli; Behav. Pharmacol. 16, 63 (2005), (Review) Abstract
Immunomodulatory effects of caffeine: friend or foe: L. A. Horrigan, et al.; Pharmacol. Ther. 111, 877 (2006), (Review) Abstract
Novel neuroprotection by caffeine and adenosine A(2A) receptor antagonists in animal models of Parkinson’s disease: A. Kalda, et al.; J. Neurol. Sci. 248, 9 (2006), (Review) Abstract
The enigmatic effects of caffeine in cell cycle and cancer: A. M. & Bode and Z. Dong; Cancer Lett. 247, 26 (2007), (Review) Abstract
 
 
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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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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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
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-350-332 Revised 03-Apr-08
Celastrol
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SYNONYMS Tripterine
3-Hydroxy-24-nor-2-oxo-1(10),3,5,7-friedelatetraen-29-oic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Anti-inflammatory Agents
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-332-M005   5 mg 65.00 USD Add To Cart
ALX-350-332-M025   25 mg 260.00 USD Add To Cart
Product Specification
FORMULA: C29H38O4
MW: 450.6
CAS NUMBER: 34157-83-0
SOURCE/HOST: Isolated from the root of Tripterygium sp.
PURITY: ≥98% (HPLC)
APPEARANCE: Red cubic crystals.
SOLUBILITY: Soluble in 100% ethanol, DMSO or dimethyl formamide; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.

Product Description
Cell permeable triterpenoid anti-inflammatory and immunosuppressive compound. Antioxidant. Suppresses LPS-induced cytokine release in macrophages and monocytes (IC50=40nM for IL-1β and IL-1α, 80nM for IL-6, 110nM for prostaglandin E2 and 210nM for IL-8 and TNF-α). Suppresses nitric oxide (NO) production (IC50=230nM) and LPS-induced NF-κB activation (IC50=270nM). Inhibits chymotrypsin-like activity of 20S proteasome (IC50=2.5µM). Inhibits lipid peroxidation induced by ADP and Fe2+ in rat liver mitochondria (IC50=7µM). Induces expression of a wider set of heat shock proteins. Inhibits topoisomerse II.
Product Specific Literature References
The triterpene celastrol as a very potent inhibitor of lipid peroxidation in mitochondria: H. Sassa, et al.; BBRC 172, 890 (1990) Abstract
Structural basis of potent antiperoxidation activity of the triterpene celastrol in mitochondria: effect of negative membrane surface charge on lipid peroxidation: H. Sassa, et al.; Free Radic. Biol. Med. 17, 201 (1994) Abstract
Novel cytokine release inhibitors. Part III: Truncated analogs of tripterine: W. He, et al.; Bioorg. Med. Chem. Lett. 8, 3659 (1998) Abstract
Celastrol, a potent antioxidant and anti-inflammatory drug, as a possible treatment for Alzheimer’s disease: A.C. Allison, et al.; Prog. Neuropsychopharmacol. Biol. Psychiatry 25, 1341 (2001) Abstract
Antiinflammatory constituents of Celastrus orbiculatus inhibit the NF-kappaB activation and NO production: H.Z. Jin, et al.; J. Nat. Prod. 65, 89 (2002) Abstract
Apoptosis induction in HL-60 cells and inhibition of topoisomerase II by triterpene celastrol: M. Nagase, et al.; Biosci. Biotechnol. Biochem. 67, 1883 (2003) Abstract; Full Text
Celastrol inhibits pro-inflammatory cytokine secretion in Crohn’s disease biopsies: G.F. Pinna, et al.; BBRC 322, 778 (2004) Abstract
Celastrols as inducers of the heat shock response and cytoprotection: S.D. Westerheide, et al.; J. Biol. Chem. 279, 56053 (2004) Abstract; Full Text
Celastrol protects against MPTP- and 3-nitropropionic acid-induced neurotoxicity: C. Cleren, et al.; J. Neurochem. 94, 995 (2005) Abstract
Celastrol blocks neuronal cell death and extends life in transgenic mouse model of amyotrophic lateral sclerosis: M. Kiaei, et al.; Neurodegener. Dis. 2, 246 (2005) Abstract
Celastrol, a triterpene extracted from the Chinese "Thunder of God Vine," is a potent proteasome inhibitor and suppresses human prostate cancer growth in nude mice: H. Yang, et al.; Cancer Res. 66, 4758 (2006) Abstract; Full Text
Celastrol, a novel triterpene, potentiates TNF-induced apoptosis and suppresses invasion of tumor cells by inhibiting NF-kappaB-regulated gene products and TAK1-mediated NF-kappaB activation: G. Sethi, et al.; Blood 109, 2727 (2007) Abstract
Induction of heat shock proteins in differentiated human and rodent neurons by celastrol: A.M. Chow & I.R. Brown; Cell Stress Chaperones 12, 237 (2007) Abstract
 
 
ALX-385-009 Revised 03-Apr-08
Chrysin
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SYNONYMS 5,7-Dihydroxyflavone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Flavones
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ALX-385-009-G001   1 g 15.00 USD Add To Cart
Product Specification
FORMULA: C15H10O4
MW: 254.2
CAS NUMBER: 480-40-0
MERCK INDEX: 14: 2256
RTECS: LK8329050
PURITY: ≥96%
APPEARANCE: Yellow to tan solid.
SOLUBILITY: Soluble in pyridine or alkaline solutions; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C

Product Description
Antioxidant flavonoid. Shows anti-inflammatory and antitumor properties. Inhibits hypoxia-inducible factor-1α (HIF-1α). Induces apoptosis.
Product Specific Literature References
Structure-antioxidant activity relationships of flavonoids and phenolic acids: C.A. Rice-Evans, et al.; Free Radical Biol. & Med. 20, 933 (1996), (Review) Abstract
Chrysin-induced apoptosis is mediated through caspase activation and Akt inactivation in U937 leukemia cells: K.J. Woo, et al.; Biochem. Biophys. Res. Commun. 325, 1215 (2004) Abstract
Chrysin induces G1 phase cell cycle arrest in C6 glioma cells through inducing p21Waf1/Cip1 expression: involvement of p38 mitogen-activated protein kinase: M.S. Weng, et al.; Biochem. Pharmacol. 69, 1815 (2005) Abstract
Dietary flavonoids: effects on xenobiotic and carcinogen metabolism:: Y.J. Moon, et al.; Toxicol. In Vitro 20, 187 (2006), (Review) Abstract
Chrysin inhibits expression of hypoxia-inducible factor-1alpha through reducing hypoxia-inducible factor-1alpha stability and inhibiting its protein synthesis: B. Fu, et al.; Mol. Cancer Ther. 6, 220 (2007)