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Ca2+ Channels (L-type)
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ALX-550-213 Revised 06-Jun-08
(±)-BAY K 8644
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SYNONYMS 1,4-Dihydro-2,6-dimethyl-5-nitro-4-[2-(trifluoromethyl)-phenyl]pyridine-3-carboxylic acid methyl ester
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Ca2+ Channels (L-type)
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ALX-550-213-M005   5 mg 80.00 USD Add To Cart
ALX-550-213-M025   25 mg 320.00 USD Add To Cart
Product Specification
FORMULA: C16H15F3N2O4
MW: 356.3
CAS NUMBER: 93468-89-4
PURITY: ≥98% (HPLC)
APPEARANCE: Yellow powder.
SOLUBILITY: Soluble in DMSO, 100% ethanol or methanol; slightly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C

Product Description
Potent, direct acting, voltage-sensitive Ca2+ channel (L-type) agonist.
Product Specific Literature References
The optical isomers of the 1,4-dihydropyridine BAY K 8644 show opposite effects on Ca channels: G. Franckowiak, et al.; Eur. J. Pharmacol. 114, 223 (1985) Abstract
BAY-K-8644, a calcium channel agonist, induces a rise in cytoplasmic free calcium and iodide discharge in thyroid cells: N. Takasu, et al.; BBRC 143, 1107 (1987) Abstract
Goldstein, et al.; Drug Dev. Res. 11, 59 (1987)
Calcium channel ligands: D.J. Triggle & R.A. Janis; Ann. Rev. Pharmacol. Toxicol. 27, 347 (1987) Abstract
1,4-Dihydropyridine activators and antagonists: structural and functional distinctions: D.J. Triggle & D. Rompe; TIPS 10, 507 (1989) Abstract
 
 
ALX-430-026 Revised 12-Sep-06
Calmidazolium chloride
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SYNONYMS 1-[bis(p-Chlorophenyl)methyl]-3-[2,4-dichloro-β-(2,4-dichlorobenzyloxy)phenethyl] imidazolium chloride
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Calmodulin Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-430-026-M010   10 mg 85.00 USD Add To Cart
ALX-430-026-M050   50 mg 340.00 USD Add To Cart
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Product Specification
FORMULA: C31H23Cl7N2O
MW: 687.7
CAS NUMBER: 57265-65-3
PURITY: ≥98%
APPEARANCE: White powder.
SOLUBILITY: Soluble in methanol, 100% ethanol, chloroform, DMSO or propylene glycol; almost insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C

Product Description
Calmodulin antagonist. At least 150 times more potent than trifluoperazine (Prod. No. ALX- 550-310) as an inhibitor of brain calmodulin-dependent phosphodiesterase. Inhibitor of voltage-gated Ca2+ channels. Blocks Ca2+-calmodulin binding to NOS.
Product Specific Literature References
Inhibitors of calmodulin impair the constitutive but not the inducible nitric oxide synthase activity in the rat aorta: V.B. Schini & P.M. Vanhoutte; J. Pharmacol. Exp. Ther. 261, 553 (1992) Abstract
Calmidazolium, a calmodulin inhibitor, inhibits endothelium-dependent relaxations resistant to nitro-L-arginine in the canine coronary artery: S. Illiano, et al.; Br. J. Pharmacol. 107, 387 (1992) Abstract
The calmodulin antagonist calmidazolium stimulates release of nitric oxide in neuroblastoma N1E-115 cells: J. Hu & E.E. el-Fakahany; Neuroreport 4, 198 (1993) Abstract
Vasoactive intestinal peptide/pituitary adenylate cyclase-activating peptide-dependent activation of membrane-bound NO synthase in smooth muscle mediated by pertussis toxin-sensitive Gi1-2: K.S. Murthy & G.M. Makhlouf; J. Biol. Chem. 269, 15977 (1994) Abstract
Mitochondrial nitric oxide synthase is constitutively active and is functionally upregulated in hypoxia: Z. Lacza, et al.; Free Radic. Biol. Med. 31, 1609 (2001) Abstract
Mitochondrial calcium uptake stimulates nitric oxide production in mitochondria of bovine vascular endothelial cells: E.N. Dedkova, et al.; Am. J. Physiol. Cell Physiol. 286, C406 (2004) Abstract; Full Text
Neural tube closure depends on nitric oxide synthase activity: A. Nachmany, et al.; J. Neurochem. 96, 247 (2006) Abstract
Further Categories Containing This Product:
NOS Other ProductsCa2+ Channels (L-type)Phosphodiesterases / Related Products
 
 
ALX-350-027 Revised 19-Aug-08
Calphostin C
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SYNONYMS UCN-1028C
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
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ALX-350-027-C100   100 µg 85.00 USD Add To Cart
ALX-350-027-M001   1 mg 595.00 USD Add To Cart
Product Specification
FORMULA: C44H38O14
MW: 790.8
CAS NUMBER: 121263-19-2
SOURCE/HOST: Isolated from Cladosporium cladosporioides MST-FP1798.
PURITY: ≥95% (HPLC)
APPEARANCE: Dark red solid.
SOLUBILITY: Soluble in 100% ethanol, methanol, DMSO or dimethyl formamide; insoluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: Stock solutions are stable for 3 months when stored at -20°C.
HANDLING: Protect from light.

Product Description
Potent and selective inhibitor of the protein kinase C (PKC) regulatory site of diacylglycerol and phorbol esters. At higher concentrations inhibits myosin light chain kinase, cAMP-dependent protein kinase, protein kinase G and pp60v-src protein tyrosine kinase. Induces apoptotic DNA fragmentation and cell death. Kills breast cancer cells. Has antiviral potential. Inhibits cardiac L-type Ca2+ channels.
Product Specific Literature References
Calphostin C (UCN-1028C), a novel microbial compound, is a highly potent and specific inhibitor of protein kinase C: E. Kobayashi, et al.; BBRC 159, 548 (1989) Abstract
Potent and specific inhibitors of protein kinase C of microbial origin: T. Tamaoki and H. Nakano; Biotechnology 8, 732 (1990) Abstract
Inhibition of protein kinase C by calphostin C is light-dependent: R.F. Bruns, et al.; BBRC 176, 288 (1991) Abstract
Irreversible oxidative inactivation of protein kinase C by photosensitive inhibitor calphostin C: R. Gopalakrishna, et al.; FEBS Lett. 314, 149 (1992) Abstract
Calphostin C, a specific protein kinase C inhibitor, activates human neutrophils: effect on phospholipase A2 and aggregation: S. Svetlov and S. Nigam; Biochim. Biophys. Acta 1177, 75 (1993) Abstract
Induction of apoptotic DNA fragmentation and cell death in HL-60 human promyelocytic leukemia cells by pharmacological inhibitors of protein kinase C: W.D. Jarvis, et al.; Cancer Res. 54, 1707 (1994) Abstract
Growth inhibition of herpes simplex virus-type 1 in calphostin C-treated astrocytes: C.G. Castagnino, et al.; Intervirology 38, 332 (1995) Abstract
Calphostin C, a widely used protein kinase C inhibitor, directly and potently blocks L-type Ca channels: H.C. Hartzell & A. Rinderknecht; Am. J. Physiol. 270, C1293 (1996) Abstract
Pharmacokinetic features and metabolism of calphostin C, a naturally occurring perylenequinone with antileukemic activity: C.L. Chen, et al.; Pharm. Res. 16, 1003 (1999) Abstract
Potent killing of paclitaxel- and doxorubicin-resistant breast cancer cells by calphostin C accompanied by cytoplasmic vacuolization: B. Guo, et al.; Breast Cancer Res. Treat. 82, 125 (2003) Abstract
 
 
ALX-550-214 Revised 03-Feb-05
Diltiazem . hydrochloride
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PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Ca2+ Channels (L-type)
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ALX-550-214-G001   1 g 40.00 USD Add To Cart
ALX-550-214-G005   5 g 110.00 USD Add To Cart
Product Specification
FORMULA: C22H26N2O4S . HCl
MW: 414.5 . 36.5
CAS NUMBER: 33286-22-5
MERCK INDEX: 14: 3202
PURITY: ≥99%
APPEARANCE: White powder.
SOLUBILITY: Soluble in water, methanol or chloroform.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C

Product Description
Inhibitor of L-type Ca2+ channels. Regulates Ca2+ release from intracellular stores in neutrophils.
Product Specific Literature References
Diltiazem. A review of its pharmacological properties and therapeutic efficacy: M. Chaffman & R.N. Bogden; Drugs 29, 387 (1985) Abstract
 
 
ALX-550-268 Revised 09-Dec-04
Flunarizine . dihydrochloride
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SYNONYMS 1-[bis(4-Fluorophenyl)methyl]-4-(3-phenyl-2-propenyl)piperazine . 2HCl
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Ca2+ Channels (L-type)
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ALX-550-268-G001   1 g 35.00 USD Add To Cart
Product Specification
FORMULA: C26H26F2N2 . 2HCl
MW: 404.5 . 73.0
CAS NUMBER: 30484-77-6
MERCK INDEX: 14: 4144
PURITY: ≥99%
APPEARANCE: White solid.
SOLUBILITY: 50mg/ml soluble in Chloroform:methanol (1:1).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: TOXIC.

Product Description
L-, T-, and N-type Ca2+ channel antagonist. Peripheral and cerebral vasodilator. Also inhibits K+-induced catecholamine release in chromaffin cells and prevents veratridine-induced cell death in bovine chromaffin cells.
Further Categories Containing This Product:
Ca2+ Channels (N-type)Ca2+ Channels (T-type)
 
 
ALX-550-229 Revised 11-Nov-05
FPL 64176
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SYNONYMS 2,5-Dimethyl-4-[2-(phenylmethyl)benzoyl]-1H-pyrrole-3-carboxylic acid methyl ester
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Ca2+ Channels (L-type)
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ALX-550-229-M005   5 mg 70.00 USD Add To Cart
Product Specification
FORMULA: C22H21NO3
MW: 347.4
CAS NUMBER: 120934-96-5
PURITY: ≥99%
APPEARANCE: White to tan powder.
SOLUBILITY: Soluble in 100% ethanol or DMSO; insoluble in aqueous solution.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Hygroscopic. Protect from light.

Product Description
Potent Ca2+ channel (L-type) activator.
Product Specific Literature References
A new site for the activation of cardiac calcium channels defined by the nondihydropyridine FPL 64176: D. Rampe & A.E. Lacerda; J. Pharmacol. Exp. Ther. 259, 982 (1991) Abstract
Pharmacological, radioligand binding, and electrophysiological characteristics of FPL 64176, a novel nondihydropyridine Ca2+ channel activator, in cardiac and vascular preparations: W. Zheng, et al.; Mol. Pharmacol. 40, 734 (1991) Abstract
Comparison of the in vitro and in vivo cardiovascular effects of two structurally distinct Ca++ channel activators, BAY K 8644 and FPL 64176: D. Rampe, et al.; J. Pharmacol. Exp. Ther. 265, 1125 (1993) Abstract
 
 
ALX-804-090 Revised 30-Jan-06
Monoclonal Antibody to Dihydropyrine Receptor α1 (1A)
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SYNONYMS anti-DHP Receptor α1 MAb (1A)
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Ca2+ Channels (L-type)
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ALX-804-090-R400   400 µl 379.00 USD Add To Cart
Product Specification
SPECIES CROSSREACTIVITY:
Human
Mouse
Rat
Others
CLONE: 1A
ISOTYPE: Mouse IgG1
FORMULATION: Liquid. Contains 0.05% sodium azide.
IMMUNOGEN: Purified rabbit muscle T-tubule DHP receptor (dihydropyridine receptor).
SPECIFICITY: Recognizes the α1 subunit of human, mouse, rat, guinea pig and rabbit DHP receptor. Detects a band of ~200kDa by Western blot.
APPLICATION: Immunohistochemistry (frozen sections (1:200))
Immunoprecipitation
Western Blot (1:500)
Functional Application (inhibits DHP-sensitive calcium current in certain cell lines)
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
Further Categories Containing This Product:
Monoclonal Antibodies
 
 
ALX-804-091 Revised 28-Feb-08
Monoclonal Antibody to Dihydropyrine Receptor α2 (20A)
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SYNONYMS anti-DHP Receptor α2 MAb (20A)
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Ca2+ Channels (L-type)
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ALX-804-091-R100   100 µl 379.00 USD Add To Cart
Product Specification
SPECIES CROSSREACTIVITY:
Human
Mouse
Rat
Others
CLONE: 20A
ISOTYPE: Mouse IgG2a
FORMULATION: Liquid. Diluted ascites containing 0.05% sodium azide.
IMMUNOGEN: Purified rabbit DHP receptor (dihydropyridine receptor).
SPECIFICITY: Recognizes the α2 subunit of human, mouse, rat, guinea pig and rabbit DHP receptor. Detects a band of ~220kDa (non-reducing conditions) or ~143kDa (reducing conditions) by Western blot.
APPLICATION: Immunocytochemistry: 1:250
Immunohistochemistry (paraffin or frozen): 1:500. Staining of DHP in rabbit skeletal muscle results in double rows of discrete punctate staining representing pairs of triads on the opposing sides of the Z-lines
Western Blot: 1:500
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
HANDLING: Avoid freeze/thaw cycles.
Further Categories Containing This Product:
Monoclonal Antibodies
 
 
ALX-430-143 Revised 30-Nov-06
Nemadipine-A
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SYNONYMS Diethyl-4-(2,3,4,5,6-pentafluoro)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Ca2+ Channels (L-type)
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ALX-430-143-M005   5 mg 70.00 USD Add To Cart
Product Specification
FORMULA: C19H18F5NO4
MW: 419.3
CAS NUMBER: 54280-71-6
PURITY: ≥95%
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO (10mg/ml), 100% ethanol (10mg/ml) or methanol (100mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: IRRITANT.
IDENTITY: Identity determined by 1H-NMR and MS.

Product Description
Cell permeable antagonist of L-type Ca2+ channels in C. elegans and vertebrates.
Product Specific Literature References
A small-molecule screen in C. elegans yields a new calcium channel antagonist: T.C. Kwok, et al.; Nature 441, 91 (2006) Abstract
 
 
ALX-430-144 Revised 30-Nov-06
Nemadipine-B
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SYNONYMS Diethyl-4-(2,3-dichloro)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Ca2+ Channels (L-type)
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ALX-430-144-M005   5 mg 150.00 USD Add To Cart
Product Specification
FORMULA: C19H21Cl2NO4
MW: 398.3
CAS NUMBER: 79925-38-5
PURITY: ≥95%
APPEARANCE: Off-white to yellow solid.
SOLUBILITY: Soluble in DMSO (10mg/ml) or 100% ethanol (10mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: IRRITANT.
IDENTITY: Identity determined by 1H-NMR and MS.

Product Description
Cell permeable antagonist of L-type Ca2+ channels in C. elegans.
Product Specific Literature References
A small-molecule screen in C. elegans yields a new calcium channel antagonist: T.C. Kwok, et al.; Nature 441, 91 (2006) Abstract
 
 
ALX-550-273 Revised 08-Jun-07
Nicardipine . hydrochloride
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SYNONYMS YC-93 . HCl
1,4-Dihydro-2,6-dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic acid 2-[methyl(phenylmethyl)amino]ethyl ester . HCl
PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Ca2+ Channels (L-type)
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ALX-550-273-G001   1 g 30.00 USD Add To Cart
ALX-550-273-G005   5 g 115.00 USD Add To Cart
Product Specification
FORMULA: C26H29N3O6 . HCl
MW: