Dayangchem's 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. DayangChem can provide different quantities
Cas:3703-76-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:3703-76-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryOur main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:3703-76-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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
WITH 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:3703-76-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1.In No Less 10 years exporting experience. you 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 Specializ
Cas:3703-76-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryCLOPERASTINE CAS:3703-76-2 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 organic intermediate
Cas:3703-76-2
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:3703-76-2
Min.Order:1 Kilogram
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:3703-76-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCLOPERASTINE CAS 3703-76-2 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control syst
Cas:3703-76-2
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
Type:Trading Company
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
CLOPERASTINE CAS 3703-76-2 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assembly. 2 P
Cas:3703-76-2
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
Type:Trading Company
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:3703-76-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryEstablished in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Chemsigma is the sales center of Nanjing King-pharm Co.Ltd. And Dewei Chemicals industry. We are engaged in developing and manufacturing API, Pharmaceutical intermediates, Biochemicals, Frangrance chemicals and some other specialty chemicals. S
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands
Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:API
Cas:3703-76-2
Min.Order:0
Negotiable
Type:Trading Company
inquiry1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers 3.Safe and fa
TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp
Piperidine,1-[2-[(4-chlorophenyl)phenylmethoxy]ethyl]-Appearance:detailed see specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:It is an important raw material and intermediate used in Organic Synthesis, P
Cas:3703-76-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:25kg,50kg,180kg,200kg,250kg,1000kg,customization Application:Pharma;Industry;Agricultural;chemical reaserch Tran
Piperidine,1-[2-[(4-chlorophenyl)phenylmethoxy]ethyl]- cas 3703-76-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:3703-76-2
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
piperidine
(4-chlorophenyl)phenylmethyl 2-chloroethyl ether
Cloperastine
Conditions | Yield |
---|---|
With sodium carbonate at 95℃; for 14h; | 80.7% |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid / toluene / 5 h / Reflux 2: sodium carbonate / 14 h / 95 °C View Scheme |
Cloperastine
2-<(2'-hydroxy-5'-biphenylyl)carbonyl>benzoic acid
Conditions | Yield |
---|---|
In water; acetone for 2h; Solvent; Reflux; | 96.2% |
triethyl(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)silane
Cloperastine
Conditions | Yield |
---|---|
With 3,4,7,8-Tetramethyl-o-phenanthrolin; ferrous iodide; sodium t-butanolate In tetrahydrofuran at 120℃; for 12h; Schlenk technique; Glovebox; Inert atmosphere; | 88% |
Cloperastine
Conditions | Yield |
---|---|
In dichloromethane at 70℃; for 1h; | 85% |
Cloperastine
Conditions | Yield |
---|---|
Stage #1: Cloperastine With water-d2; lithium carbonate; triisopropylsilanethiol In 1-methyl-pyrrolidin-2-one at 20℃; Irradiation; Stage #2: With hydrogenchloride In 1-methyl-pyrrolidin-2-one | 78% |
Cloperastine
Conditions | Yield |
---|---|
In dichloromethane at 70℃; for 3h; | 78% |
Cloperastine
Conditions | Yield |
---|---|
With bis(1,5-cyclooctadiene)nickel (0); Dimethyl(phenyl)phosphine In toluene at 70℃; for 18h; Schlenk technique; Sealed tube; | 59% |
Cloperastine
Conditions | Yield |
---|---|
With di-p-anisoyl-L-tartaric acid In ethanol at 60℃; for 2h; |
Cloperastine
Conditions | Yield |
---|---|
With tritium oxide In 1-methyl-pyrrolidin-2-one at 20℃; Irradiation; |
Cloperastine
Conditions | Yield |
---|---|
With tris(pentafluorophenyl)borate; scandium tris(trifluoromethanesulfonate); 2,6-bis[(4S,6S)-sec-butyl-2-oxazolin-2-yl]pyridine In dichloromethane at 80℃; for 24h; Inert atmosphere; stereoselective reaction; | A n/a B n/a |
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