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Catalog	name	Description	price
R-650059	PAE-PEG-FITC	Poly(b-amino esters)--polyethylene glycol--fluorescein, PAE-PEG-FITC, FITC-PEG-PAE from ruixi PAE-PEG-FITC is a hetero-functional peg derivative. One end of PEG is connected with PAE , the other end is connected with FITC.Fluorescein often called FITC is a commonly used fluorescent tracer in biology for staining cells, tissues, biomarkers or nanoparticles. It has peak absorption or excitation at 494 nm and maximum emission at 521 nm. Fluorescent PEG is commonly used for PEGylation to label or tag biomolecules and nanoparticles with dye and tracer.	price>
R-CQ-023	DADPS Biotin Alykne	Ruixi can provide such products DADPS Biotin Alykne.Preparation chemistry of biotin alkynes.This alkyne reacts with various azides,including biomolecules containing azide groups.Biotin conjugates can be used in various analysis and applications requiring affinity binding.	price>
R-R-0976	Galanin (1-16), mouse, porcine, rat TFA	Galanin (1-16), mouse, porcine, rat is an agonist of the hippocampal galanin receptor, with a Kd of 3 nM. Galanin (1-16), mouse, porcine, rat shows high biological activity on locus coeruleus neurons.	price>
R-PA-007	PAE-PEG-Biotin	Poly(b-amino esters)--polyethylene glycol--Biotin,PAE-PEG-Biotin,Biotin-PEG-PAE from ruixi PAE-PEG-Biotin is a hetero-functional peg derivative. One end of PEG is connected with PAE , the other end is connected with Biotin. Ruixi Biology provides high quality and diverse peg derivatives. We can provide both macromolecular PEG derivatives and small molecular derivatives, such as 300, 350, 400, 1000, 2000, 3400 and so on. We can also customize some products through the information you provide.Biotin is conjugated to a linear PEG through a stable amide linker.	price>
R-CQ-024	DSPE-PEG5-propargyl	Our products include:synthetic phospholipids,block copolymers,magnetic nanoparticles,gold nanoparticles and gold nanorods,near-infrared fluorescent dyes, reactive fluorescent dyes,fluorescent labeled dextran BSA and streptavidin,protein crosslinking agents,silica and mesoporous silica,polymer microspheres,near-infrared fluorescent dyes,up conversion nanoparticles Luminescent particles,fluorescent proteins and fluorescent probes.Ruixi can also provide special customized products.	price>
R-R-0977	Elabela(19-32)	Elabela(19-32)/CAS No.1886973-05-2 is an active fragment of ELABELA (ELA) that binds to apelin receptor (APJ). Elabela(19-32) activates the Gαi1 and β-arrestin-2 signaling pathways with EC50s of 8.6 nM and 166 nM. Elabela(19-32) induces receptor internalization and reduces arterial pressure, exerts positive inotropic effects on the heart.	price>
R-650056	PAE-PEG-Alkyne	Poly(b-amino esters)--polyethylene glycol--Alkyne,PAE-PEG-Alkyne，Alkyne-PEG-PAE from ruixi PAE-PEG-Alkyne is a hetero-functional peg derivative. One end of PEG is connected with PAE , the other end is connected with Alkyne . Ruixi Biology provides high quality and diverse peg derivatives. We can provide both macromolecular PEG derivatives and small molecular derivatives, such as 300, 350, 400, 1000, 2000, 3400 and so on. We can also customize some products through the information you provide.	price>
R-CQ-025	Desthiobiotin-PEG4-Alkyne	Biotin is the carrier of carboxyl group in many carboxylation reactions that need ATP.Vitamin H combines with enzymes to participate in the fixation and carboxylation of carbon dioxide in vivo,which is related to the important metabolic processes in vivo,such as the carboxylation of pyruvate to oxaloacetate,the carbonylation of acetyl CoA to malonyl coenzyme A.Alkyne is an unsaturated hydrocarbon, belonging to unsaturated hydrocarbon.Ruixi can provide such products Desthiobiotin-PEG4-Alkyne.	price>
R-R-0978	(4R)-1-Boc-4-fluoro-D-proline	(4R)-1-Boc-4-fluoro-D-proline/CAS No.681128-51-8 is an amino acid derivative that can be used for preparation of peptidomimetics, dihydropyridopyrimidines and pyridopyrimidines.	price>
R-PA-009	PAE-PEG-FA	Poly(b-amino esters)--polyethylene glycol--Folate,PAE-PEG-FA,FA-PEG-PAE from ruixi Poly(b-amino esters)--polyethylene glycol--Folic acid .PAE-PEG-FA is a hetero-functional peg derivative. One end of PEG is connected with PAE , the other end is connected with FA . Ruixi Biology provides high quality and diverse peg derivatives. We can provide both macromolecular PEG derivatives and small molecular derivatives, such as 300, 350, 400, 1000, 2000, 3400 and so on. We can also customize some products through the information you provide.	price>
R-CQ-028	UV Cleavable Biotin-PEG2-alkyne	Biotin also known as vitamin H or coenzyme R,is mainly used as a cofactor of various carboxylase.It is widely used in medical treatment, multi-dimensional preparation and feed additive.Alkyne is an unsaturated hydrocarbon,belonging to unsaturated hydrocarbon.Ruixi can provide such products UV Cleavable Biotin-PEG2-alkyne.	price>
R-R-0979	Urocortin, human	Urocortin, human/Urocortin (human)/ Human urocortin/ Human urocortin 1/ Human urocortin I/CAS No.176591-49-4, a 40-aa neuropeptide, acts as a selective agonist of endogenous CRF2 receptor, with Kis of 0.4, 0.3, and 0.5 nM for hCRF1, rCRF2α and mCRF2β, respectively.	price>
R-650057	PAE-PEG-CRGDfk	Poly(b-amino esters)-polyethylene glycol-CRGD,PAE-PEG-CRGD,CRGD-PEG-PAE from ruixi PAE-PEG-Alkyne is a hetero-functional peg derivative.One end of PEG is connected with PAE,the other end is connected with CRGD.CRGD cyclopeptide is an active targeting polypeptide.The liposomes formed can directly act on tumor targets to form an active targeting effect.There are many kinds of cRGD cyclic peptides, including C(RGDfK),C(RGDfC),C(RGDyK),C(RGDyC),etc.But there are two kinds of cyclic peptides,C (RGDfK)and C(RGDfC),which are commonly used and have better targeting. The molecular weight of PEG can choose 1000,2000,3400,5000 Da.	price>
R-CQ-029	Methyltetrazine-PEG5-alkyne	Tetrazine can be used for biorthogonal reactions in many bioimaging and conjugation applications.At present,it has been widely used in protein specific site function interpretation,subcellular structure selective labeling,drug targeted delivery,in vivo animal molecular imaging and preparation of biocompatible materials. Methyltetrazine-peg5-carboxyl group is one of the stable tetrazines on the market. In addition to the stability provided by electron donating methyl, the stability of methyltetrazine-peg5-carboxyl group is further improved by electron donating alkoxy substituents on aromatic ring.Carboxyl group can form stable amide bond with amino group through activation, and esterification reaction can take place with hydroxyl group.Ruixi can provide such products Methyltetrazine-PEG5-alkyne.	price>
R-R-0980	(R)-3-(4-Bromophenyl)-3-((tert-butoxycarbonyl)amino)propanoic acid	(R)-3-(4-Bromophenyl)-3-((tert-butoxycarbonyl)amino)propanoic acid/CAS No.261380-20-5 is a phenylalanine derivative.	price>
R-650055	PAE-PEG-SH	Poly(b-amino esters)--polyethylene glycol--Thiol,PAE-PEG-SH,SH-PEG-PAE from ruixi PAE-PEG-SH is a hetero-functional peg derivative. One end of PEG is connected with PAE , the other end is connected with SH . Ruixi Biology provides high quality and diverse peg derivatives. We can provide both macromolecular PEG derivatives and small molecular derivatives, such as 300, 350, 400, 1000, 2000, 3400 and so on. We can also customize some products through the information you provide.	price>
R-CQ-030	FAM alkyne, 6-isomer	Alkyne derivative of FAM (fluorescein) fluorophore for Click Chemistry. Pure (97+%) single 6-isomer.Fluorescein is a bright fluorophore which is compatible with a number of different fluorescent instruments.	price>
R-R-0981	N-Dodecanoyl-DL-homoserine lactone	N-Dodecanoyl-DL-homoserine lactone/CAS No.18627-38-8 is a serine derivative.	price>
R-PA-0013	PAE-PEG-methionine	Poly(b-amino esters)--polyethylene glycol--methionine,PAE-PEG-methionine,methionine-PEG-PAE from ruixi PAE-PEG-methionine is a hetero-functional peg derivative. One end of PEG is connected with PAE , the other end is connected with methionine . Ruixi Biology provides high quality and diverse peg derivatives. We can provide both macromolecular PEG derivatives and small molecular derivatives, such as 300, 350, 400, 1000, 2000, 3400 and so on. We can also customize some products through the information you provide.	price>
R-CQ-031	FAM alkyne, 5-isomer	FAM (fluorescein) alkyne for copper-catalyzed Click chemistry,high purity (97+%) 5-isomer.The compound possesses significant aqueous solubility.	price>

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