Time Efficiency, Cost Effectiveness, Better Possibilities! 1. Better Quality & Competetive Price. 2. Quick & Professional Quotation. 3. Over Three Decades of Experience in This F
Cas:2192-20-3
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
Cas:2192-20-3
Min.Order:1 Kilogram
Negotiable
Type:Manufacturers
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
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Cas:2192-20-3
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryAs a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for the fine c
Cas:2192-20-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryName:hydroxyzine dihydrochloride CAS NO:2192-20-3 Grade:Medical scientific research and export Molecular formula:C21H29Cl3N2O2 Molecular weight:447.8262 Product Quality 12 years of chemical raw materials Mature operation of the industry Sy
Cas:2192-20-3
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:2192-20-3
Min.Order:1 Metric Ton
FOB Price: $0.9 / 1.0
Type:Lab/Research institutions
inquiryOur Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con
Cas:2192-20-3
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
inquiryOur company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:2192-20-3
Min.Order:1 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et
Cas:2192-20-3
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powder 2. Fact
Cas:2192-20-3
Min.Order:1 Kilogram
FOB Price: $20.0 / 30.0
Type:Trading Company
inquiry1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized
Cas:2192-20-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery
Cas:2192-20-3
Min.Order:10 Gram
FOB Price: $3.5
Type:Trading Company
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Cas:2192-20-3
Min.Order:1 Gram
FOB Price: $50.0 / 55.0
Type:Trading Company
inquiryHydroxyzine dihydrochloride CAS:2192-20-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organi
Cas:2192-20-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
Cas:2192-20-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C
Cas:2192-20-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.high quality: quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed. 2.reasonable price: we provide high quality products wi
Cas:2192-20-3
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Cas:2192-20-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Detail Minimum Order Qty. 10 Gram
Cas:2192-20-3
Min.Order:10 Gram
Negotiable
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:2192-20-3
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryAppearance:white powder Storage:Store in a cool,dry place and keep away from direct strong light Package:packaged in foil bags or tins Application:Use only for laboratory research Transportation:Sea,DHL/TNT/FEdex/UPS/EMS Port:QI
Cas:2192-20-3
Min.Order:10 Gram
FOB Price: $1.0
Type:Lab/Research institutions
inquiryOur company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-
Cas:2192-20-3
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:2192-20-3
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:2192-20-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Cas:2192-20-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWhy Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu
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Cas:2192-20-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:2192-20-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:2192-20-3
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryN-(4-chlorobenzhydryl)piperazine
2-(2-Chloroethoxy)ethanol
hydroxyzine dihydrochloride
Conditions | Yield |
---|---|
Stage #1: N-(4-chlorobenzhydryl)piperazine With tetrabutylammomium bromide; potassium carbonate In water at 25℃; Stage #2: 2-(2-Chloroethoxy)ethanol In water at 80℃; for 5h; Stage #3: With hydrogenchloride |
1-bromo-2-(2-(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)ethoxy)ethane
hydroxyzine dihydrochloride
mPEG5-hydroxyzine
Conditions | Yield |
---|---|
Stage #1: hydroxyzine dihydrochloride With sodium hydride In N,N-dimethyl-formamide for 0.333333h; Stage #2: 1-bromo-2-(2-(2-(2-(2-methoxyethoxy)ethoxy)ethoxy)ethoxy)ethane In N,N-dimethyl-formamide at 20℃; | 90% |
Conditions | Yield |
---|---|
With hydrogenchloride; sodium hydroxide; sulfuric acid In water; isopropyl alcohol; acetone | 60% |
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium hydroxide In water; toluene at 90℃; Inert atmosphere; | 57% |
Conditions | Yield |
---|---|
Stage #1: hydroxyzine dihydrochloride With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 0.666667h; Stage #2: 2-[2-(2-tert-butoxycarbonylaminoethoxy)ethoxy]ethyl bromide In N,N-dimethyl-formamide; mineral oil Stage #3: trifluoroacetic acid In water; acetonitrile | 55% |
Conditions | Yield |
---|---|
Stage #1: hydroxyzine dihydrochloride With triethylamine In tetrahydrofuran at 20℃; for 0.25h; Stage #2: phthalimide With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 4h; Stage #3: trifluoroacetic acid In water; acetonitrile |
Conditions | Yield |
---|---|
Stage #1: hydroxyzine dihydrochloride With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; Stage #2: 2-[2-(2-tert-butoxycarbonylaminoethoxy)ethoxy]ethyl bromide In N,N-dimethyl-formamide; mineral oil Stage #3: trifluoroacetic acid In water; acetonitrile |
Conditions | Yield |
---|---|
Stage #1: hydroxyzine dihydrochloride With triethylamine In tetrahydrofuran at 20℃; for 0.25h; Mitsunobu Displacement; Stage #2: phthalimide With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 4h; Mitsunobu Displacement; Stage #3: trifluoroacetic acid In water; acetonitrile |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrabutylammomium bromide; potassium hydroxide / toluene; water / 90 °C / Inert atmosphere 2: water-d2; potassium acetate; BF4(1-)*C20H14F6N3O(1+) / dichloromethane / 12 h / 60 °C View Scheme |
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