High quality, best service,competitive price are our principle 1.Low price & high quality products (G-KG) & first-class service are waiting for our clients 2.Professional transport team to ensure the goods safety and on time arrived your
Cas:62-31-7
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Trading Company
inquiryOur company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present
Cas:62-31-7
Min.Order:1 Kilogram
FOB Price: $279.0 / 286.0
Type:Trading Company
inquiryLuhan Pharmachem Co., Ltd. owns strong elite professional quality sales force, has the customer base from the US, Europe, Japan, Southeast Asia, Korea, Hong Kong, Taiwan and other countries and regions, the company operates in accordance with the mod
Items Standard Result Characters Appearance White or almost white, crystalline powder Conform
Cas:62-31-7
Min.Order:1 Kilogram
FOB Price: $290.0 / 320.0
Type:Trading Company
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 or almost white crystal or crystalline powder Storage:S
Cas:62-31-7
Min.Order:1 Kilogram
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Type:Trading Company
inquiry\ After many years of efforts, we have established stable and friendly business relations with dozens of European and American pharmaceutical companies, multinational chemical companies and importers.At home and many production plants and res
Cas:62-31-7
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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
We 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:62-31-7
Min.Order:1 Gram
Negotiable
Type:Manufacturers
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:62-31-7
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,
Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
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 quantiti
Cas:62-31-7
Min.Order:100 Gram
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Type:Lab/Research institutions
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:62-31-7
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryName:3-Hydroxytyramine hydrochloride CAS NO: 62-31-7 Grade:Medical scientific research and export Molecular formula:C8H11NO2.HCl Molecular weight: 189.64 Product Quality 12 years of chemical raw materials Mature operation of the industry
Cas:62-31-7
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
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inquiryTIANFUCHEM--62-31-7--3-Hydroxytyramine hydrochloride in stock Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable business
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Min.Order:1 Metric Ton
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Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
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Min.Order:1 Kilogram
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Type:Trading Company
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
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Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryName: 3-Hydroxytyramine hydrochloride Synonyms: 3,4-Dihydroxyphenethylamine hydrochloride; Dopamine hydrochloride; 3-Hydroxytyramine, HCl; Dopamine HCL CAS: 62-31-7 MF: C8H11NO2·HCl Appearance: White powder Storage:Store in cool and dry pla
Appearance:White or almost white crystalline powder Storage:R.T Package:25kg/drum Application:API Transportation:Express/Sea/Air Port:Any port in China
Cas:62-31-7
Min.Order:1 Kilogram
FOB Price: $500.0 / 700.0
Type:Lab/Research institutions
inquiryAdvantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best serv
Cas:62-31-7
Min.Order:10 Gram
Negotiable
Type:Other
inquiryHanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr
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Min.Order:1 Kilogram
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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:62-31-7
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:62-31-7
Min.Order:10 Gram
FOB Price: $0.6
Type:Trading Company
inquiry3-Hydroxytyramine hydrochloride CAS:62-31-7 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 orga
Cas:62-31-7
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:62-31-7
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
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Min.Order:0
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 with competi
Cas:62-31-7
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
Hebei Mojin Biotechnology Co., Ltd, Our company is a professional chemical raw materials and chemical reagents research and development production enterprises. We have several production line,So we can control the lowest price. We also have several
Cas:62-31-7
Min.Order:25 Gram
FOB Price: $90.0 / 100.0
Type:Trading Company
inquiryTriumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Service 1.Own made fine chemical products 2.Out sourcin
Cas:62-31-7
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryN-(tert-butoxycarbonyl)dopamine
dopamine hydrochloride
Conditions | Yield |
---|---|
With methanol; chloro-trimethyl-silane for 3h; Reflux; | 100% |
Conditions | Yield |
---|---|
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol under 760 Torr; for 24h; Ambient temperature; | 99% |
Conditions | Yield |
---|---|
With hydrogenchloride; acetic acid In water at 160℃; for 6h; Inert atmosphere; | 98.6% |
With hydrogenchloride; water at 100℃; for 144h; | 76% |
With hydrogenchloride; sodium hypophosphite; ion-exchanger Dowex 50 X2-200; hydrogen bromide; isobutyric Acid for 2h; Heating; | |
Multi-step reaction with 3 steps 1: hydrogen bromide / ethanol / 0.5 h / 50 °C 2: hydrogen bromide / 5 h / 110 - 115 °C / Inert atmosphere 3: hydrogenchloride / isopropyl alcohol / 1 h / 80 °C / Inert atmosphere; Reflux View Scheme |
Conditions | Yield |
---|---|
With hydrogenchloride In water; isopropyl alcohol at 70 - 80℃; Inert atmosphere; | 93% |
With hydrogenchloride In isopropyl alcohol at 80℃; for 1h; Solvent; Inert atmosphere; Reflux; | 90.6% |
Conditions | Yield |
---|---|
Stage #1: 3-Methoxytyramine hydrochloride With hydrogen bromide for 6h; Reflux; Stage #2: With hydrogenchloride In water | 69.81% |
A
dopamine hydrochloride
B
N-methylnicotinamide hydrochloride
Conditions | Yield |
---|---|
at 28℃; Equilibrium constant; Thermodynamic data; association enthalpy: ΔH0 (kcal mol-1) = -3.2 (pH=1); |
Conditions | Yield |
---|---|
at 37℃; pharmacokinetic; concentrations of products in plasma after oral administration of title compound to dogs; |
Conditions | Yield |
---|---|
In d(4)-methanol; water-d2 Equilibrium constant; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: diborane / tetrahydrofuran / 16 h / 55 °C / Inert atmosphere 1.2: 0 - 20 °C 2.1: hydrogenchloride; water / 144 h / 100 °C View Scheme |
dopamine hydrochloride
Conditions | Yield |
---|---|
Stage #1: C23H35NO8 With trifluoroacetic acid In dichloromethane Stage #2: With hydrogenchloride In methanol; diethyl ether regioselective reaction; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: ammonium formate; 5%-palladium/activated carbon / methanol / 60 - 65 °C / Inert atmosphere 2: hydrogen bromide / water / 110 - 120 °C / Inert atmosphere 3: hydrogenchloride / water; isopropyl alcohol / 70 - 80 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: methylamine hydrochloride; triethylamine / ethanol / 20 °C 2: ammonium formate; 5%-palladium/activated carbon / methanol / 60 - 65 °C / Inert atmosphere 3: hydrogen bromide / water / 110 - 120 °C / Inert atmosphere 4: hydrogenchloride / water; isopropyl alcohol / 70 - 80 °C / Inert atmosphere View Scheme |
dopamine hydrochloride
3-(3,4-dihydroxyphenyl)propanoic acid pentafluorophenyl ester
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide for 2h; | 100% |
di-tert-butyl dicarbonate
dopamine hydrochloride
N-(tert-butoxycarbonyl)dopamine
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 2h; | 100% |
With sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 2h; | 100% |
With triethylamine In methanol | 99% |
dopamine hydrochloride
acryloyl chloride
N-[2-(3,4-Dihydroxy-phenyl)-ethyl]acrylamide
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; methanol at 0 - 20℃; for 2h; | 100% |
With triethylamine In tetrahydrofuran; methanol at 20℃; pH=9; Cooling with ice; | 65% |
With triethylamine In tetrahydrofuran; methanol for 1h; Cooling with ice; | 57% |
With borax; sodium hydrogencarbonate; sodium hydroxide In tetrahydrofuran; water at 20℃; for 14h; pH=8; Inert atmosphere; | 54% |
With triethylamine In tetrahydrofuran; methanol at 20℃; for 1h; |
dopamine hydrochloride
chloroformic acid ethyl ester
ethyl (3,4-dihydroxyphenethyl)carbamate
Conditions | Yield |
---|---|
Stage #1: dopamine hydrochloride With sodium hydrogencarbonate In tetrahydrofuran; water at 20℃; for 1h; Stage #2: chloroformic acid ethyl ester In tetrahydrofuran; water at 20℃; for 5h; | 100% |
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide for 16h; Inert atmosphere; | 100% |
dopamine hydrochloride
2,5-anhydro-D-mannose
1-(α-D-arabinofuranosyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline hydrochloride
Conditions | Yield |
---|---|
In water for 48h; Ambient temperature; | 98% |
for 48h; Ambient temperature; | 98% |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol for 12h; Heating; | 98% |
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In tetrahydrofuran Ambient temperature; | 98% |
With 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; triethylamine In dichloromethane; ethyl acetate at 0 - 20℃; for 0.5h; Inert atmosphere; | 35% |
dopamine hydrochloride
tert-butyldimethylsilyl chloride
2-(3,4-bis((tert-butyldimethylsilyl)oxy)phenyl)ethan-1-amine
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane at 20℃; for 16h; Inert atmosphere; | 98% |
With 1H-imidazole In dichloromethane at 20℃; for 2h; | 95.8% |
With 1H-imidazole In dichloromethane at 20℃; Inert atmosphere; | 86% |
trifluoroacetic acid-methyl ester
dopamine hydrochloride
N-<2-(3,4-Dihydroxyphenyl)ethyl>trifluoracetamid
Conditions | Yield |
---|---|
With triethylamine In methanol at 20℃; Inert atmosphere; | 98% |
With triethylamine In methanol at 20℃; | 98% |
With triethylamine In methanol at 30℃; for 16h; | 92% |
With triethylamine In methanol at 20℃; for 12h; | 86% |
With triethylamine In methanol at 20℃; Sealed tube; | 82.2% |
dopamine hydrochloride
4-methyl-1H-imidazole-5-carbaldehyde
4-(2-(((4-methyl-1H-imidazol-5-yl)methylene)amino)ethyl)benzene-1,2-diol
Conditions | Yield |
---|---|
Stage #1: dopamine hydrochloride With triethylamine In ethanol for 0.5h; Stage #2: 4-methyl-1H-imidazole-5-carbaldehyde In ethanol for 4h; Reflux; | 98% |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol for 12h; Heating; | 97% |
Conditions | Yield |
---|---|
With hydrogenchloride In methanol for 12h; Heating; | 97% |
dopamine hydrochloride
3-(3,5-Dihydroxy-phenyl)-propionic acid pentafluorophenyl ester
Conditions | Yield |
---|---|
With triethylamine In chloroform; N,N-dimethyl-formamide for 2h; Ambient temperature; | 97% |
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In tetrahydrofuran Ambient temperature; | 97% |
Stage #1: cis-Octadecenoic acid With 1,1'-carbonyldiimidazole In dichloromethane at 20℃; for 0.5h; Stage #2: dopamine hydrochloride In dichloromethane for 12h; | 58% |
Conditions | Yield |
---|---|
With triethylamine In acetonitrile at 0 - 20℃; Inert atmosphere; | 97% |
1-[(2-oxazepan-1-yl)carbonyl]azepan-2-one
dopamine hydrochloride
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 80℃; for 24h; Inert atmosphere; | 97% |
dopamine hydrochloride
Conditions | Yield |
---|---|
In ethanol at 20℃; for 24h; | 96% |
ethylenediaminetetraacetic dianhydride
dopamine hydrochloride
C26H34N4O10
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 70℃; for 18h; Inert atmosphere; | 95% |
linoleic acid
dopamine hydrochloride
(Z,Z)-N-[2-(3,4-dihydroxyphenyl)ethyl]-octadeca-9,12-dienamide
Conditions | Yield |
---|---|
With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; triethylamine In tetrahydrofuran Ambient temperature; | 94% |
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 16h; Inert atmosphere; | 94% |
dopamine hydrochloride
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; potassium hexacyanoferrate(III) In water at 20 - 68℃; for 2h; Inert atmosphere; | 93.6% |
D-Glyceraldehyde
dopamine hydrochloride
(1'S)-1-(1',2'-dihydroxyethyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline
Conditions | Yield |
---|---|
In methanol Heating; | 93% |
In methanol 1) RT, overnight, 2) reflux, 2 d; | 93% |
Conditions | Yield |
---|---|
Stage #1: C32H47NO7 With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 0℃; for 0.05h; Stage #2: dopamine hydrochloride In N,N-dimethyl-formamide at 20℃; for 72h; | 93% |
D-Glucose
dopamine hydrochloride
6,7-dihydroxy-1-(D-gluco-pentitol-1'-yl)-1,2,3,4-tetrahydroisoquinoline hydrochloride
Conditions | Yield |
---|---|
In water for 48h; Heating; | 92% |
D-glucose
dopamine hydrochloride
6,7-dihydroxy-1-(D-gluco-pentitol-1'-yl)-1,2,3,4-tetrahydroisoquinoline hydrochloride
Conditions | Yield |
---|---|
In water for 48h; Heating; | 92% |
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