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Catalog	name	Description	price
R-CL-012	(2-pyridyldithio)-PEG4-alcohol	The protein modification increased the peg n spacer,increased the water solubility,decreased the immunogenicity of the marker molecule,and enhanced the stability in vivo.Functionalization of solid surfaces,such as quantum dots, self-assembled monolayers and nanoparticles,significantly reduces the binding of non-specific proteins to polyethylene glycol.Ruixi can provide such products (2-pyridyldithio)-PEG4-alcohol.	price>
R-R-0942	[D-Ala2]-GIP (human)	[D-Ala2]-GIP (human)/CAS.444073-04-5 is a GIP receptor agonist. [D-Ala2]-GIP (human) improves glucose tolerance. [D-Ala2]-GIP (human) shows neuroprotective activity in MPTP-induced Parkinson disease model. [D-Ala2]-GIP (human) also improves cognitive function and hippocampal synaptic plasticity in obese diabetic rats.	price>
R-MU-0037	8arm-PEG-SG	8 arm-Polyethylene glycol-succinimidyl glutarate,8 arm-PEG-SG,SG-PEG-8 arm from ruixi 8-arm PEG succinimidyl glutamate ester (8-arm PEG-SG) is a multiarm PEG derivative with succinimidyl glutarate active ester groups at each terminal of the eight arms connected to one hexaglycerol core.. . PEG-SG (succinimidyl glutarmate ester) is one type of PEG-NHS reagents. There is a C3 hydrocarbon ester linkage between PEG and the NHS ester. NHS is a good leaving group which can react with amine-containing moities.	price>
R-CL-013	(2-pyridyldithio)-PEG2-t-butyl ester	Pyridyldithio was used in the determination of sulfhydryl groups in biomaterials,as well as in the lactone reaction reagent and sulfinylation reagent of hydroxy acid and PPh3.T-butyl ester is miscible with ethanol and ether,but not soluble in water.	price>
R-R-0943	Substance P TFA	Substance P TFA (Neurokinin P TFA)/CAS No.148470-19-3 is a neuropeptide, acting as a neurotransmitter and as a neuromodulator in the CNS. The endogenous receptor for substance P is neurokinin 1 receptor (NK1-receptor, NK1R).	price>
R-MU-0038	8arm-PEG-SS	8 arm-Polyethylene glycol-Succinimidyl Succinate,8 arm-PEG-SS,SS-PEG-8 arm from ruixi 8 arm-Polyethylene glycol-Succinimidyl Succinate 8-arm PEG succinimidyl succinate ester (8-arm PEG-SS) is a multiarm PEG derivative with Succinimidyl Succinate active ester groups at each terminal of the eight arms connected to one one hexaglycerol core. PEG-SG (succinimidyl succinate ester) is one type of PEG-NHS reagents. There is a C2 hydrocarbon ester linkage between PEG and the NHS ester. NHS is a good leaving group which can react with amine-containing moities.	price>
R-CL-014	Biotin-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.NHS SS biotin is a cleavable ADC linker,which can be used to synthesize antibody coupled drugs (ADC).	price>
R-R-0944	[Des-Arg9]-Bradykinin acetate	[Des-Arg9]-Bradykinin acetate/CAS No.23827-91-0 is a Bradykinin(B1) receptor agonist. The B2 receptor mediates the action of bradykinin (BK) and lysyl-bradykinin (Lys-BK), the first set of bioactive kinins formed in response to injury from kininogen precursors through the actions of plasma and tissue kallikreins, whereas the B1 receptor mediates the action of [Des-Arg9]-Bradykinin (des-Arg9-BK) and Lys-des-Arg Arg9-BK, the second set of bioactive kinins formed through the actions of carboxypeptidases on BK and Lys-BK, respectively.	price>
R-MU-0039	8arm-PEG-SVA	8 arm-Polyethylene glycol-Succinimidyl Valerate,8 arm-PEG-SVA，SVA-PEG-8 arm from ruixi 8-Arm PEG-Succinimidyl Valerate(8-arm PEG-Sva) is a multiarm PEG derivative with Succinimidyl Valerate 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-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>

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