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Antitumor Reagents
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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
Further Categories Containing This Product:
NOS Inhibitors (NOS Induction & Enzyme Activity) • Natural Products - Chemopreventive Agents • Natural Products - NF-kB Pathway Inhibitors • Lipid Peroxidation • Active Substances from Fruit and Vegetables • Natural Products - Anti-inflammatory Agents • Natural Products - Nitric Oxide Pathway Modulators • COX Inhibitors
 
 
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
Further Categories Containing This Product:
Free Radical Scavengers • Active Substances from Fruit and Vegetables • Natural Products - Chemopreventive Agents • Flavanols • Natural Products - Antitumor Reagents
 
 
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
Further Categories Containing This Product:
Active Substances from Fruit and Vegetables • Free Radical Scavengers • Natural Products - Chemopreventive Agents • Flavanols • Natural Products - Antitumor Reagents
 
 
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
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Further Categories Containing This Product:
Microtubule Modulators • Natural Products - Antitumor Reagents • Alkaloids
 
 
ALX-270-442 Revised 21-Oct-08
CDK1/2 Inhibitor III
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SYNONYMS 5-Amino-3-((4-(aminosulfonyl)phenyl)amino)-N-(2,6-difluorophenyl)-1H-1,2,4-triazole-1-carbothioamide
PRODUCT LINE Cell Cycle
PRODUCT CATEGORY CDK & Cyclin Inhibitors
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ALX-270-442-M001   1 mg 118.00 USD Add To Cart
Product Specification
FORMULA: C15H13F2N7O2S2
MW: 425.4
CAS NUMBER: 443798-55-8
PURITY: ≥95% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO (10mg/ml), tetrahydro-furan or acetone.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stock solutions are stable for up to 6 months when stored at -20°C.
HANDLING: Protect from light.
HAZARD: HARMFUL.
IDENTITY: Identity determined by NMR.

Product Description
Cell permeable triazolo-diamine compound that displays anti-proliferative properties in various human cancer cells (IC50=20nM, 35nM and 92nM in HCT-116, HeLa, and A375 cells). Acts as a highly potent, ATP-competitive inhibitor of CDK1/cyclin B and CDK2/cyclin A (IC50=600pM and 500pM) with selectivity over VEGF-R2 and GSK-3β (IC50=32nM and 140nM).
Product Specific Literature References
1-Acyl-1H-[1,2,4]triazole-3,5-diamine analogues as novel and potent anticancer cyclin-dependent kinase inhibitors: synthesis and evaluation of biological activities: R. Lin, et al.; J. Med. Chem. 48, 4208 (2005) Abstract
Further Categories Containing This Product:
Tyrosine Kinase Inhibitors • GSK-3 Inhibitors • VEGFs & VEGF-Rs Other Products • Antitumor Agents (Anti-proliferative)
 
 
ALX-380-242 Revised 03-Apr-08
Chaetocin (high purity)
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
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ALX-380-242-M001   1 mg 330.00 USD Add To Cart
Product Specification
FORMULA: C30H28N6O6S4
MW: 696.9
CAS NUMBER: 28097-03-2
RTECS: FM3032000
SOURCE/HOST: Isolated from Chaetomium sp. MST-FP2085.
PURITY: ≥99% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO, dimethyl formamide, methanol or 100% ethanol; poorly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: HARMFUL.

Product Description
Antitumor antibiotic. Specific inhibitor of the lysine-specific methyltransferase SU(VAR)3-9 both in vitro and in vivo.
Product Specific Literature References
Isolation and configuration of Chaetocin: D. Hauser, et al.; Helv. Chim. Acta. 53, 1061 (1970)
Identification of a specific inhibitor of the histone methyltransferase SU(VAR)3-9: D. Greiner, et al.; Nat. Chem. Biol. 1, 143 (2005) Abstract
Chaetocin: a promising new antimyeloma agent with in vitro and in vivo activity mediated via imposition of oxidative stress: C.R. Isham, et al.; Blood 109, 2579 (2007) Abstract
Further Categories Containing This Product:
DNA & RNA Methyl & Alkyl Transferases / Related Products
 
 
ALX-350-131 Revised 03-Apr-08
Chaetoglobosin A
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Antifungal
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ALX-350-131-M001   1 mg 40.00 USD Add To Cart
ALX-350-131-M005   5 mg 160.00 USD Add To Cart
Product Specification
FORMULA: C32H36N2O5
MW: 528.7
SOURCE/HOST: Isolated from Chaetomium sp.
PURITY: ≥98% (HPLC)
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in methanol; almost unsoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: TOXIC.
IDENTITY: Determined by 1H-NMR.

Product Description
Cytochalasin analog with anti-fungal activity. Phytotoxic and anti-bacterial activity. Exhibits cytotoxic effects against human cancer cell lines. Enhances fibrinolytic activity of bovine aortic endothelial cells.
Product Specific Literature References
Acute toxic effects of chaetoglobosin A, a new cytochalasan compound produced by Chaetomium globosum, on mice and rats: K. Ohtsubo, et al.; Jpn. J. Exp. Med. 48, 105 (1978) Abstract
Chaetoglobosins, cytotoxic 10-(indol-3-yl)-[13]cytochalasans from Chaetomium spp. I. Production, isolation and some cytological effects of chaetoglobosins A-J: S. Sekita, et al.; Chem. Pharm. Bull. 30, 1609 (1982) Abstract
Enhancement of fibrinolytic activity of vascular endothelial cells by chaetoglobosin A, crinipellin B, geodin and triticone B: C. Shinohara, et al.; J. Antibiot. 53, 262 (2000) Abstract
Phytotoxic chaetoglobosins are produced by the plant pathogen Calonectria morganii (anamorph Cylindrocladium scoparium): C. Von Wallbrunn, et al.; J. Gen. Appl. Microbiol. 47, 33 (2001) Abstract; Full Text
Chaetoglobosins Q, R, and T, three further new metabolites from Chaetomium globosum: W. Jiao, et al.; J. Nat. Prod. 67, 1722 (2004) Abstract
Growth and mycotoxin production by Chaetomium globosum: M.R. Fogle, et al.; Mycopathologia 164, 49 (2007) Abstract
Further Categories Containing This Product:
Antitumor Antibiotics
 
 
ALX-380-073 Revised 12-Oct-07
Chartreusin
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SYNONYMS Lambdamycin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
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ALX-380-073-M005   5 mg 50.00 USD Add To Cart
ALX-380-073-M025   25 mg 200.00 USD Add To Cart
Product Specification
FORMULA: C32H32O14
MW: 640.6
CAS NUMBER: 6377-18-0
MERCK INDEX: 14: 2045
SOURCE/HOST: Isolated from Streptomyces chartreusis.
PURITY: ≥98%
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in acetone; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: TOXIC.
Product Description
Antitumor antibiotic which inhibits topoisomerase II. Induces single-strand scission in DNA in the presence of reducing agents.
Product Specific Literature References
Chartreusin, a New Antibiotic Produced by Streptomyces chartreusis, a New Species: B. E. Leach, et al.; J. Am. Chem. Soc. 75, 4011 (1953)
Chartreusin, a glycosidic antitumour antibiotic from Streptomyces: J.A. Beisler; Prog. Med. Chem. 19, 247 (1982), (Review) Abstract
Biochemical characterisation of elsamicin and other coumarin-related antitumour agents as potent inhibitors of human topoisomerase II: A. Lorico & B.H. Long; Eur. J. Cancer 14, 1985 (1993) Abstract
Chartreusin, elsamicin A and related anti-cancer antibiotics: J. Portugal; Curr. Med. Chem. Anticancer Agents 3, 411 (2003), Review Abstract
Further Categories Containing This Product:
Antitumor Agents (Enzyme Inhibitors) • Antitumor Agents (DNA Interaction & Gene Regulation) • Antibiotics - Topoisomerase Inhibitors
 
 
ALX-350-128 Revised 03-Apr-08
Chetomin
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SYNONYMS Chaetomin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Immunomodulators
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ALX-350-128-M001   1 mg 185.00 USD Add To Cart
ALX-350-128-M005   5 mg 495.00 USD Add To Cart
Product Specification
FORMULA: C31H30N6O6S4
MW: 710.9
CAS NUMBER: 1403-36-7
SOURCE/HOST: Isolated from Chaetomium species.
PURITY: ≥98% (HPLC)
APPEARANCE: Off-white to fawn solid.
SOLUBILITY: Soluble in DMSO, ethyl acetate or pyridine; fairly soluble in methanol, 100% ethanol; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: TOXIC.
IDENTITY: Determined by 1H-NMR.

Product Description
Dithiodiketopiperazine inhibitor of HIF-1 formation by disrupting the binding of p300 to both HIF-1α and HIF-2α. Inhibitor of tumor growth. Potent immunosuppressor. Antibacterial.
Product Specific Literature R