Xi'an ruixi Biological Technology Co

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Catalog	name	Description	price
R-MU-0018	4arm-PEG-IA	4 arm-Polyethylene glycol-Iodoacetate,4 arm-PEG-IA，IA-PEG-4 arm from ruixi 4-arm polyethylene glycol- IA is a multi-arm polyethylene glycol derivative with IA at each end of the four arms connected to a pentaerythritol nucleus.4 arm-peg2000-IA,4 arm-peg5000-IA and so on.	price>
R-CO-025	(4E)-TCO-PEG4-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.Trans cyclooctene (TCO),as a amphiphilic monomer,has been widely used in biological and material science research due to its advantages of no catalyst and fast reaction rate under physiological conditions.	price>
R-R-0923	(2R)-2-Amino-3-(methylsulfinyl)propanoic acid	(2R)-2-Amino-3-(methylsulfinyl)propanoic acid/CAS.6853-87-8 is a cysteine derivative.	price>
R-MU-0019	4arm-PEG-Chloride	4 arm-Polyethylene glycol-Chloride ,4 arm-PEG-Chloride，Chloride-PEG-4 arm from ruixi 4-arm polyethylene glycol-Chloride is a multi-arm polyethylene glycol derivative with Chloride at each end of the four arms connected to a pentaerythritol nucleus.4 arm-peg2000-Chloride,4 arm-peg5000-Chloride and so on.	price>
R-CO-026	(4E)-TCO-amine	Trans cyclooctene (TCO),as a amphiphilic monomer,has been widely used in biological and material science research due to its advantages of no catalyst and fast reaction rate under physiological conditions.Amines are the products after one or more hydrogen atoms in ammonia molecules are replaced by alkyl groups.Amines widely exist in the biological world and have very important physiological and biological activities.Ruixi biological products (4E)-TCO-amine.	price>
R-R-0924	Cathepsin D and E FRET Substrate acetate	Cathepsin D and E FRET Substrate acetate is a fluorogenic substrate for cathepsins D and E and not for B, H or L. The cleavage occurs at the Phe-Phe amide bond resul. Cathepsin D and E FRET Substrate is a valuable tool for routine assays and for mechanistic studies on cathepsins E and D.	price>
R-MU-0020	4arm-PEG-DBCO	4 arm-Polyethylene glycol-DBCO,4 arm-PEG-DBCO，DBCO-PEG-4 arm from ruixi 4-arm polyethylene glycol-DBCO is a multi-arm polyethylene glycol derivative with DBCO at each end of the four arms connected to a pentaerythritol nucleus.4 arm-peg2000-DBCO ,4 arm-peg5000-DBCO and so on.The dibenzocyclooctyne group (DBCO) reacts with molecules containing azide groups (–N3) in a Copper-free Click Chemistry. DBCO has very high reaction selectivity toward azide, enabling its use in modifying biomolecules including peptide, protein, enzyme, live cells, whole organisms etc. At physiological temperature and pH ranges, the DBCO group does not react with amine or hydroxyl, and DBCO also reacts with the azide group much faster than with free thiol groups. DBCO is also known as ADIBO (= Azadibenzocyclooctyne) or DIBAC (= Dibenzoazacyclooctyne).	price>
R-CO-027	TCO-PEG3-Biotin	TCO-PEG3-Biotin could be used in bioconjugation experiments, where the TCO group acts as a reactive linker for specific bioorthogonal chemistry applications, the PEG chain helps with solubility and stability, and biotin serves as a handle for further functionalization or interaction in biological systems. This compound could be utilized in various biochemical, biotechnological, or medical research contexts.	price>
R-R-0925	w-Conotoxin MVIIC TFA	ω-Conotoxin MVIIC TFA is a N- and P/Q-type Ca2+ channel blocker, significantly suppresses the 11-keto-βboswellic acid-mediated inhibition of glutamate release.	price>
R-MU-0021	4arm-PEG-TCO	4 arm-Polyethylene glycol-TCO ,4 arm PEG-TCO ，TCO PEG-4 arm from ruixi 4-arm polyethylene glycol-TCO is a multi-arm polyethylene glycol derivative with TCO at each end of the four arms connected to a pentaerythritol nucleus.4 arm-peg2000-TCO ,4 arm-peg5000-TCO and so on.	price>
R-CO-028	TCO-PEG3-FITC	Trans cyclooctene (TCO),as a amphiphilic monomer,has been widely used in biological and material science research due to its advantages of no catalyst and fast reaction rate under physiological conditions.FITC can track yellow and green fluorescence.It is widely used in pharmaceutical research,drug release, new nano materials research and cell culture.Ruixi biological products TCO-PEG3-FITC.	price>
R-R-0926	BQ-3020 ammonium	BQ-3020 ammonium is a selective endothelin receptor (ETB receptor) agonist. BQ-3020 ammonium inhibits [125I] ET-1 binding to ETB receptors, with an IC50 value of 0.2 nM. BQ-3020 ammonium elicits vasoconstriction in the rabbit pulmonary artery. BQ-3020 ammonium makes relaxation of the pig urinary bladder neck and can be used for cardiovascular disease research.	price>
R-MU-0022	4arm-PEG-Tetrazine	4 arm-Polyethylene glycol-Tetrazine,4 arm PEG-Tetrazine,Tetrazine PEG-4 arm is a multifunctional bio orthogonal modification reagent based on four arm polyethylene glycol, which combines excellent water solubility, biocompatibility, and multi site advantages; The terminal tetrazine group can undergo ultra fast [4+2] cycloaddition reaction with azides in physiological environment, achieving molecular site coupling. It can be applied in biomedical scenarios such as targeted drug delivery, construction of biological imaging probes, and modification of biomolecules.	price>
R-CC-001	2-bromo-2-methyl-3-(trimethylsilyl)-Cyclopropanemethanol	Ruixi Biotechnology Co.,Ltd.is a well-known biotechnology company in China.Our company focuses on the production and sales of scientific research level drug delivery and drug nano targeting products.At present,the company products mainly include synthetic phospholipids,PEG derivatives,block copolymers,gold nanoparticles,magnetic nanoparticles,mesoporous silica,reactive fluorescent dyes, fluorescence quantum Dot,click chemistry and macrocyclic ligands,and so on.We can also provide cyclopropene products,such as 2-bromo-2-methyl-3-(trimethylsilyl)-cyclopropane ethanol.	price>
R-R-0927	Destruxin A	Destruxin A (DA)/CAS.6686-70-0 is a cyclo-peptidic mycotoxin from the entomopathogenic fungus Metarhizium anisopliae, with insecticidal, anti-viral and antiproliferative activities.	price>
R-MU-0023	4arm-PEG-FA	4 arm-Polyethylene glycol-Folate, 4 arm-PEG-FA， FA-PEG-4 arm from ruixi 4 arm-Polyethylene glycol-folic acid.4-arm polyethylene glycol-TCO is a multi-arm polyethylene glycol derivative with Folate at each end of the four arms connected to a pentaerythritol nucleus.4 arm-peg2000-Folate ,4 arm-peg5000-Folate and so on.	price>
R-CC-002	N-cyclopropene-L-Lysine	Only L-forms of lysine are absorbed by organisms.Free lysine is easy to absorb carbon dioxide in the air,so it is difficult to produce crystallization.Generally, lysine hydrochloride exists in the form of free lysine.As amphiphilic diene, cyclopropene has a fast reaction rate with s-tetrazine.Because of its smaller size than TCO,cyclopropene is very suitable for labeling small biochemical molecules without affecting their original functions.Ruxi can provide N-cyclopropene-L-Lysine.	price>
R-R-0928	Ethyl glycylmethioninate hydrochloride	Ethyl glycylmethioninate hydrochloride/CAS No.1397000-76-8 is a Methionine (HY-13694) derivative.	price>
R-CC-003	N-Cyclopropene-D-Mannopyranose-tetraacetated	As amphiphilic diene, cyclopropene has a fast reaction rate with s-tetrazine. Because of its smaller size than TCO,cyclopropene is very suitable for labeling small biochemical molecules without affecting their original functions.Pyranose is a kind of sugar, which is formed by the condensation of No.5 hydroxyl group and No.1 aldehyde group on hexose molecule.It contains a six membered ring structure composed of five carbon atoms and one oxygen atom.It is a derivative of pyran.Ruixi can offer these products N-Cyclopropene-D-Mannopyranose-tetraacetated.	price>
R-R-0929	CEF8, Influenza Virus NP (383-391)	CEF8, Influenza Virus NP (383-391)/CAS.142479-13-8, an influenza A virus nucleoprotein containing residues 383 to 391, is the most important HLA-B*2705-restricted epitope in the nucleoprotein of influenza A viruses and is associated with escape from cytotoxic T lymphocytes-mediated immunity.	price>

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