As 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 services. DayangChem can provide different quantities of custom synthesis ch
Cas:74050-98-9
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
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:74050-98-9
Min.Order:0 Metric Ton
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inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; ...... Appearance:White Powder Storage:2-8°C Package:1kg/foil bag; 1kg/tin
Cas:74050-98-9
Min.Order:500 Gram
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Type:Trading Company
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:74050-98-9
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
GIHI CHEMICALS exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, GIHI CHEMICALS is your best choice. pls contact with us freely for getting detailed prod
Cas:74050-98-9
Min.Order:1 Gram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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:74050-98-9
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct Name: Ketanserin Synonyms: 3-[2-[4-(4-fluorobenzoyl)-1-piperidinyl]ethyl]-2,4[1h,3h]-quinazolinedione;KETANSERIN;3-[2-[4-(4-Fluorobenzoyl)-1-piperidinyl]ethyl]-2,4-(IH,3H)-quinazolinedione;Ket;Keten
Cas:74050-98-9
Min.Order:5 Metric Ton
FOB Price: $1.0 / 2.0
Type:Other
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
Hello, 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
Henan 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
Appearance:White powder Storage:R T Package:25kg/drum Application:It is used to control mild, moderate, or severe hypertension, and can also be used to control acute hypertensive attacks, such as before or after surgery and preeclampsia in women. Tr
Cas:74050-98-9
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Lab/Research institutions
inquirySpecification:USP/EP Month production ablity:50kg/Month Low price& High quality Manufacturer Appearance:white powder Storage:Room Temperature Application:74050-98-9
Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By
Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter
J&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
The 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
Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
Why 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
Our Advantages Production: Advanced chemical equipment with years of experience.Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Speci
Cas:74050-98-9
Min.Order:1 Kilogram
FOB Price: $150.0 / 180.0
Type:Trading Company
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:74050-98-9
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:Off-White Solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:An antihyper
Established 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
Product Name: Ketanserin Synonyms: 3-[2-[4-(4-fluorobenzoyl)-1-piperidinyl]ethyl]-2,4[1h,3h]-quinazolinedione;KETANSERIN;3-[2-[4-(4-Fluorobenzoyl)-1-piperidinyl]ethyl]-2,4-(IH,3H)-quinazolinedione;Ket;Ketensin;Perketan;R-49945;Serefrex C
Cas:74050-98-9
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryGMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,
Product name: Ketanserin CAS No.:74050-98-9 Molecule Formula:C22H22FN3O3 Molecule Weight:395.4268 Purity: 99% Package: 25kg/drum Description:Almost or off-white crystalline powder Manufacture Standards:Enterprise Standard
Shandong Mopai Biotechnology 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 chemicals. W
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:74050-98-9
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Type:Lab/Research institutions
inquiry(4-fluorophenyl)-piperidin-4-ylmethanone
3-(2-chloroethyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline
ketanserine
Conditions | Yield |
---|---|
With sodium carbonate In butanone for 24h; Reflux; | 86% |
(4-fluorophenyl)-piperidin-4-ylmethanone
2,3-dihydro-5H-oxazolo<2,3-b>quinazolin-5-one
ketanserine
Conditions | Yield |
---|---|
In neat (no solvent) at 110℃; | 85% |
In toluene for 40h; Reflux; | 80% |
4-(4-fluorobenzoyl)piperidine hydrochloride
4-methyl-2-pentanone
3-(2-chloroethyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline
ketanserine
Conditions | Yield |
---|---|
With sodium carbonate In water | 2,2 parts (27%) |
2,4-Dioxo-3-(2-hydroxyethyl)-1,2,3,4-tetrahydroquinazoline
ketanserine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride / chloroform / 4 h / Reflux 2: sodium carbonate / butanone / 24 h / Reflux View Scheme | |
Multi-step reaction with 3 steps 1: thionyl chloride / 1,2-dichloro-ethane / 2 h / 20 - 80 °C 2: sodium carbonate / acetonitrile / 7 h / 85 °C 3: toluene / 40 h / Reflux View Scheme |
4-(4-fluorobenzoyl)piperidine hydrochloride
ketanserine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sodium carbonate / methanol / 4 h / 20 °C 2: neat (no solvent) / 110 °C View Scheme | |
Multi-step reaction with 2 steps 1: sodium carbonate / methanol / 4 h / 20 °C 2: sodium carbonate / butanone / 24 h / Reflux View Scheme |
2-ethoxycarbonylaniline
ketanserine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: chloroform / 0.5 h / 50 °C 1.2: 4 h / 150 °C 2.1: sodium carbonate / butanone / 24 h / Reflux View Scheme | |
Multi-step reaction with 4 steps 1: chloroform / 50 °C 2: chloroform / 4 h / 150 °C 3: thionyl chloride / chloroform / 4 h / Reflux 4: sodium carbonate / butanone / 24 h / Reflux View Scheme |
ethyl (2-ethoxycarbonyl)phenylcarbamate
ketanserine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: chloroform / 4 h / 150 °C 2: thionyl chloride / chloroform / 4 h / Reflux 3: sodium carbonate / butanone / 24 h / Reflux View Scheme |
2-carbomethoxyaniline
ketanserine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: sodium carbonate / tetrahydrofuran; water / 12 h / -5 - 20 °C 2: 5,5-dimethyl-1,3-cyclohexadiene / 12 h / 140 °C 3: thionyl chloride / 1,2-dichloro-ethane / 2 h / 20 - 80 °C 4: sodium carbonate / acetonitrile / 7 h / 85 °C 5: toluene / 40 h / Reflux View Scheme |
methyl 2-((ethoxycarbonyl)amino)benzoate
ketanserine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 5,5-dimethyl-1,3-cyclohexadiene / 12 h / 140 °C 2: thionyl chloride / 1,2-dichloro-ethane / 2 h / 20 - 80 °C 3: sodium carbonate / acetonitrile / 7 h / 85 °C 4: toluene / 40 h / Reflux View Scheme |
ketanserine
tartaric acid
ketanserin tartrate
Conditions | Yield |
---|---|
In ethanol | 100% |
tetrafluoroboric acid diethyl ether
ketanserine
Conditions | Yield |
---|---|
With 2,3,7,8-tetrafluorothianthrene; trifluoroacetic anhydride In acetonitrile at 0 - 25℃; regioselective reaction; | 60% |
tetrafluoroboric acid diethyl ether
sodium tetrafluoroborate
ketanserine
Conditions | Yield |
---|---|
Stage #1: tetrafluoroboric acid diethyl ether; 2,3,7,8-tetrafluorothianthrene-S-oxide; ketanserine With trifluoroacetic anhydride In acetonitrile at 0 - 25℃; for 2h; Stage #2: sodium tetrafluoroborate In dichloromethane; water | 60% |
ketanserine
2-chloro-N,N-dimethylacetamide
2-[3-{2-[4-(4-Fluorobenzoyl)-1-piperidinyl]ethyl}-2,4-dioxo-3,4-dihydro-1(2H)-quinazolinyl]-N,N-dimethylacetamide hydrochloride
Conditions | Yield |
---|---|
With NaH In N,N-dimethyl-formamide; mineral oil |
ketanserine
Conditions | Yield |
---|---|
With sodium borohydrid In methanol; water |
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