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Catalog	name	Description	price
R-CL-015	Biotin-SS-Sulfo-NHS	Biotin is one of the B vitamins.Biotin is the coenzyme of many carboxylase, which acts as the carrier of CO2 in the carboxylase reaction.Disulfide bond is a chemical bond that connects the thiol groups of two different cysteine residues in different peptide chains or the same peptide chain.Peptide condensing agent, which can form stable active ester intermediates;used to prepare hydrophilic active ester,such as protein crosslinking agent.Ruixi can provide biotin SS sulfo NHS.	price>
R-R-0945	b-Amyloid (22-35) (TFA)	β-Amyloid 22-35 (Amyloid β-Protein 22-35) TFA, the residues 22-35 fragment ofβ-amyloid protein, has a cytotoxic effect on cultured neurons from the rat hippocampus in serum-free medium. β-Amyloid 22-35 TFA forms aggregates and typical amyloid fibrils resembling those of the β-amyloid protein in neutral buffer solution).	price>
R-MU-0040	8arm-PEG-Epoxides	8 arm-Polyethylene glycol-Epoxides,8 arm-PEG-Epoxides，Epoxides-PEG-8 arm from ruixi 8-Arm PEG-Epoxides (8-arm PEG-Epoxides ) is a multiarm PEG derivative with Epoxides at each terminal of the eight arms connected to one hexaglycerol core. Polyethylene glycol can increase the solubility and stability of polypeptides and proteins, and reduce their immunogenicity. It also inhibits the nonspecific binding of charged molecules to modified surfaces.	price>
R-CL-016	Biotin-bisamido-SS-NHS	Biotin is one of the B vitamins.Biotin is the coenzyme of many carboxylase, which acts as the carrier of CO2 in the carboxylase reaction.Disulfide bond is a chemical bond that connects the thiol groups of two different cysteine residues in different peptide chains or the same peptide chain.Ruixi can provide such products Biotin-bisamido-SS-NHS.	price>
R-R-0946	Echistatin TFA	Echistatin TFA, the smallest active RGD protein belonging to the family of disintegrins that are derived from snake venoms, is a potent inhibitor of platelet aggregation. Echistatin is a potent inhibitor of bone resorption in culture. Echistatin is a potent antagonist of αIIbβ3, αvβ3 and α5β1.	price>
R-MU-0041	8arm-PEG-Valeric Acids	8 arm-Polyethylene glycol-Valeric Acids, 8 arm-PEG-Valeric Acids ，Valeric Acids-PEG-8 arm from ruixi 8-Arm PEG-Valeric Acids (8-arm PEG-Valeric Acids ) is a multiarm PEG derivative with Valeric Acids at each terminal of the eight arms connected to one hexaglycerol core.Polyethylene glycol can increase the solubility and stability of polypeptides and proteins, and reduce their immunogenicity. It also inhibits the nonspecific binding of charged molecules to modified surfaces.	price>
R-CL-017	Biotin-SS-azide	Disulfide bond is a chemical bond that connects the thiol groups of two different cysteine residues in different peptide chains or the same peptide chain.Biotin is one of the B vitamins.Biotin is the coenzyme of many carboxylase,which acts as the carrier of CO2 in the carboxylase reaction.Azides can be divided into organic azides and inorganic azides,which are azide derivatives.Ruixi can provide such products Biotin-SS-azide.	price>
R-R-0947	w-Agatoxin IVA TFA	ω-Agatoxin IVA TFA is a potent, selective P/Q type Ca2+ (Cav2.1) channel blocker with IC50s of 2 nM and 90 nM for P-type and Q-type Ca2+ channels, respectively. ω-Agatoxin IVA TFA (IC50, 30-225 nM) inhibits glutamate exocytosis and calcium influx elicited by high potassium. ω-Agatoxin IVA TFA also blocks the high potassium-induced release of serotonin and norepinephrine. ω-Agatoxin IVA TFA has no effect on L-type or N-type calcium channels.	price>
R-1827-X	8 arm-PEG-Acrylamide	8 arm-Polyethylene glycol-Acrylamide , 8 arm-PEG-Acrylamide， Acrylamide-PEG-8 arm from ruixi 8-Arm PEG-Acrylamide is a multiarm PEG derivative with Acrylamide at each terminal of the eight arms connected to one hexaglycerol core .Polyethylene glycol can increase the solubility and stability of polypeptides and proteins, and reduce their immunogenicity. It also inhibits the nonspecific binding of charged molecules to modified surfaces.	price>
R-CL-018	Biotin-PEG3-SS-DBCO	Dbco(dibenzocyclooctyne) is a kind of cycloalkyne.It can react with azide through strain promoted 1,3-dipolar cycloaddition in aqueous solution.This biorthogonal reaction is also called copper free click reaction.This reaction has excellent selectivity and biocompatibility,so complementary reagents can form covalent bonds with functional biological systems.Copper free click reaction has always been a powerful tool for catalyst free bioconjugation.Dbco reagent has fast affinity and stability in aqueous buffer,which can be used to label azide modified biomolecules with high specificity and reactivity.Ruixi can provide such products Biotin-PEG3-SS-DBCO.	price>
R-R-0948	Orexin A (human, rat, mouse) (TFA)	Orexin A (human, rat, mouse) (Hypocretin-1 (human, rat, mouse)) TFA, a 33 amino acid excitatory neuropeptide, orchestrates diverse central and peripheral processes. Orexin A (human, rat, mouse) TFA is a specific, high-affinity agonist for G-protein-coupled receptor OX1R. Orexin A (human, rat, mouse) TFA has a role in the regulation of feeding behavior. Orexin A (human, rat, mouse) TFA is an effective anti-nociceptive and anti-hyperalgesic agent in mice and rats.	price>
R-MU-0042	8arm-PEG-Br	8 arm-Polyethylene glycol-Bromide, 8 arm-PEG-Br， Br-PEG- 8 arm from ruixi 8-Arm PEG-Bromide is a multiarm PEG derivative with Bromide at each terminal of the eight arms connected to one hexaglycerol core.Polyethylene glycol can increase the solubility and stability of polypeptides and proteins, and reduce their immunogenicity. It also inhibits the nonspecific binding of charged molecules to modified surfaces.	price>
R-CL-019	Dde Biotin-PEG4-alkyne	Dde Biotin-PEG4-alkyne is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs.PROTACs contain two different ligands connected by a linker;one is a ligand for an E3 ubiquitin ligase and the other is for the target protein.PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.Ruixi can provide Dde Biotin-PEG4-alkyne.	price>
R-R-0949	Difelikefalin	Difelikefalin (CR-845; FE-202845)/CAS No.1024828-77-0 is a peripherally restricted and selective agonist of kappa opioid receptor (KOR). Difelikefalin produces anti-inflammatory effects and has the potential in modulating pruritus in conditions such as chronic kidney disease.	price>
R-MU-0043	8arm-PEG-VS	8 arm-Polyethylene glycol-Vinylsulfone,8 arm-PEG-VS,VS-PEG-8 arm from ruixi 8-Arm PEG-VS is a multifunctional PEG reagent with eight thiol reactive vinylsulfone group. VS selectively reacts with free thiol, SH, sulfhydryl or mercapto groups for site specific PEGylation of peptide and proteins.	price>
R-CL-020	Dde Biotin-PEG4-azide	Dde Biotin-PEG4-alkyne is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs.PROTACs contain two different ligands connected by a linker;one is a ligand for an E3 ubiquitin ligase and the other is for the target protein.PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins。Ruixi can provide Dde Biotin-PEG4-azide.	price>
R-R-0950	N-Methyl-L-threonine	N-Methyl-L-threonine/CAS No.2812-28-4 is a threonine derivative.	price>
R-MU-0044	8arm-PEG-MA	8 arm-Polyethylene glycol-Methacrylate,8 arm-PEG-MA ,MA-PEG-8 arm from ruixi 8 arm-Polyethylene glycol-Methacrylate (8 arm-PEG-MA) is a multiarm PEG derivative with Methacrylate at each terminal of the eight arms connected to one hexaglycerol core.Polyethylene glycol can increase the solubility and stability of polypeptides and proteins, and reduce their immunogenicity. It also inhibits the nonspecific binding of charged molecules to modified surfaces.	price>
R-CL-021	Dde Biotin-PEG4-Picolyl azide	DDE biotin-peg4-picolyl azide is a protac linker,belonging to peg class.It can be used to synthesize protac molecule.The main function of biotin is to act as a coenzyme in decarboxylation, carboxylation and dehydrogenation.It can transfer carbon dioxide to another compound,thus changing one compound into another. Azides;hydrazoates;trinitride are compounds with the general formula RN ₃.R is aliphatic,aryl, acyl, sulfonyl,etc.or hydrogen,and azide is directly connected with hydrogen to form azide.Ruixi can provide Dde Biotin-PEG4-Picolyl azide.	price>
R-R-0951	Fmoc-Gly(allyl)-OH	Fmoc-Gly(allyl)-OH/CAS No.146549-21-5 is a Glycine (HY-Y0966) derivative.	price>

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