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:51-41-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWhy is SINOWAY: 1) Specialized in pharmaceutical and healthcare industrial for 34 years. 2) 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 . 5) We c
Cas:51-41-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryNorepinephrine Basic information Product Name: Norepinephrine Synonyms: (-)-alpha-(aminomethyl)protocatechuylalcohol;(-)-noradrec;4-(2-amino-1-hydroxyethyl)-2-benzenedio(r)-;adrenor;akta
Cas:51-41-2
Min.Order:1 Kilogram
FOB Price: $300.0
Type:Other
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:51-41-2
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
Cas:51-41-2
Min.Order:1 Kilogram
FOB Price: $1.0
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:51-41-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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
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:51-41-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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 email in time prod
Cas:51-41-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:51-41-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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:51-41-2
Min.Order:1 Kilogram
FOB Price: $85.0 / 90.0
Type:Trading Company
inquiryBeluga chemical professional supply Norepinephrine China plant CAS:51-41-2 Why choose Beluga chemical 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabili
Cas:51-41-2
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:51-41-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:51-41-2
Min.Order:1 Kilogram
FOB Price: $10.0 / 100.0
Type:Lab/Research institutions
inquiryOur 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
Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:51-41-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
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:51-41-2
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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
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
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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
Norepinephrine Basic information Product Name: Norepinephrine Synonyms: (-)-alpha-(aminomethyl)protocatechuylalcohol;(-)-noradrec;4-(2-amino-1-hydroxyethyl)-2-benzenedio(r)-;adrenor;aktamin;arterenolfreebase(no
Cas:51-41-2
Min.Order:1 Kilogram
FOB Price: $5.0 / 10.0
Type:Lab/Research institutions
inquiry1. Product advantages 2. High purity, all above 99%, no impurities after dissolution 3.We will test each batch to ensure quality 4.24-hour online service 5. Track package information and update it for customers 6. Professional sales team 7. Acc
Cas:51-41-2
Min.Order:1 Metric Ton
FOB Price: $1.0
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:51-41-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirysuperior quality Appearance: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: Vascular active drug resistance to shock Transportation:AS PER
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: Levarterenol CAS No.: 51-41-2 Molecule Formula:C8H11NO3 Molecule Weight:169.18 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTING ITEMS
Cas:51-41-2
Min.Order:1 Kilogram
Negotiable
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:51-41-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Product name Norepinephrine Appearance White crystalline powder CAS 51-41-2 MF C8H11NO3 Purity 99% App
Conditions | Yield |
---|---|
Stage #1: arterenone With (-)-diisopinocampheylboron chloride In tert-butyl methyl ether at -25 - -20℃; for 3h; Inert atmosphere; Stage #2: With hydrogenchloride In tert-butyl methyl ether; water at 25℃; for 1.5h; Catalytic behavior; Reagent/catalyst; Solvent; Temperature; Inert atmosphere; | 70.3% |
R-(+)-2,2'-dinitrobiphenyl-6,6'-dicarbonsaeure-di-N,N'-1-(3,4-dihydroxyphenyl)-1-hydroxy-2-amido-ethan
norepinephrine
Conditions | Yield |
---|---|
With hydrogenchloride; hydrogen; palladium on activated charcoal In ethanol for 6h; Ambient temperature; | 51.4% |
Conditions | Yield |
---|---|
With MANDELIC ACID | |
With (R)-methoxyphenylacetic acid | |
With L-Tartaric acid |
glycine
3,4-dihydroxybenzaldehyde
A
norepinephrine
B
D-noradrenaline
Conditions | Yield |
---|---|
With pyridoxal 5'-phosphate In dimethyl sulfoxide at 20℃; for 89h; Enzymatic reaction; Title compound not separated from byproducts.; |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 61.4 percent / NaHCO3 / benzene; H2O / 30 h 2: NaBH4 / methanol / 24 h 3: 51.4 percent / H2, conc HCl / Pd/C / ethanol / 6 h / Ambient temperature View Scheme |
R-(+)-2,2'-dinitrobiphenyl-6,6'-dicarbonsaeure-di-N,N'-1-(3,4-dihydroxyphenyl)-1-oxo-2-amido-ethan
norepinephrine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaBH4 / methanol / 24 h 2: 51.4 percent / H2, conc HCl / Pd/C / ethanol / 6 h / Ambient temperature View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: tetrahydrobiopterin; oxygen; tyrosine hydroxylase / Enzymatic reaction 2: aromatic L-amino acid decarboxylase / Enzymatic reaction 3: oxygen; dopamine β-hydroxylase; ascorbic acid / Enzymatic reaction View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aromatic L-amino acid decarboxylase / Enzymatic reaction 2: oxygen; dopamine β-hydroxylase; ascorbic acid / Enzymatic reaction View Scheme |
Conditions | Yield |
---|---|
With dopamine β-hydroxylase; oxygen; ascorbic acid Enzymatic reaction; |
norepinephrine
Conditions | Yield |
---|---|
With hydrogenchloride In water at 20℃; for 10h; | 6.8 g |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: (R)-α,α-diphenylprolinol; sodium tetrahydroborate; chloro-trimethyl-silane / tetrahydrofuran / 24 h / 10 - 30 °C / Inert atmosphere 2: N,N-dimethyl-formamide / 18 h / 85 °C 3: hydrogenchloride / water / 10 h / 20 °C View Scheme |
norepinephrine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: N,N-dimethyl-formamide / 18 h / 85 °C 2: hydrogenchloride / water / 10 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
With phase-transitioned bovine serum albumin film-coated capillary column In methanol pH=8; Resolution of racemate; |
Conditions | Yield |
---|---|
With water In ethanol at 20℃; for 12h; | 96.7% |
formaldehyd
norepinephrine
1,2,3,4-tetrahydro-4,6,7-isoquinolinetriol hydrochloride
Conditions | Yield |
---|---|
With hydrogenchloride at 24℃; for 24h; | 92% |
norepinephrine
3-<<4-<(tert-butyldimethylsilyl)oxy>phenyl>acetyl>thiazolidine-2-thione
2-[4-(tert-Butyl-dimethyl-silanyloxy)-phenyl]-N-[(R)-2-(3,4-dihydroxy-phenyl)-2-hydroxy-ethyl]-acetamide
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 25℃; | 82% |
norepinephrine
1-(2-Thioxo-thiazolidin-3-yl)-hexadecan-1-one
N-hexadecanoyl-L-noradrenaline
Conditions | Yield |
---|---|
In tetrahydrofuran; ethanol for 5h; Ambient temperature; | 51% |
2-(2-methoxyphenoxy)-ethyl methanesulphonate
norepinephrine
trifluoroacetic acid
Conditions | Yield |
---|---|
Stage #1: 2-(2-methoxyphenoxy)-ethyl methanesulphonate; norepinephrine In dimethyl sulfoxide at 70℃; for 6h; Inert atmosphere; Stage #2: trifluoroacetic acid In methanol; water; dimethyl sulfoxide | 46% |
Conditions | Yield |
---|---|
Stage #1: norepinephrine; 3-methoxy-4-(3-phenylpropoxy)phenethyl methanesulfonate In dimethyl sulfoxide at 70℃; for 6h; Inert atmosphere; Stage #2: trifluoroacetic acid In methanol; water; dimethyl sulfoxide Inert atmosphere; | 38% |
Conditions | Yield |
---|---|
In tetrahydrofuran; methanol at 20℃; for 20h; | 37% |
norepinephrine
N-{4-[4-(4-oxopiperidin-1-yl)phenylsulfamoyl]phenyl}acetamide
Conditions | Yield |
---|---|
With hydrogen; palladium on activated charcoal In ethanol under 258.574 - 1034.3 Torr; | 15% |
norepinephrine
5-azidopentan-2-one
1-(R)-(3.4-dihydroxyphenyl)-2-(1-methyl-4-azidobutylamino)ethanol oxalate salt
Conditions | Yield |
---|---|
15% |
norepinephrine
acetic anhydride
B
3,4-diacetoxybenzaldehyde
C
5,6-diacetoxyindole
Conditions | Yield |
---|---|
Stage #1: norepinephrine With sodium periodate; phosphate buffer In water for 0.0833333h; pH=7.4; Stage #2: acetic anhydride With pyridine | A 7% B 1% C 1% D 3% |
Conditions | Yield |
---|---|
With oxygen; tris hydrochloride In water; dimethyl sulfoxide at 25℃; for 15h; pH=8.0; regioselective reaction; | 6% |
Conditions | Yield |
---|---|
With oxygen; tris hydrochloride In water; dimethyl sulfoxide at 25℃; for 15h; pH=8.0; regioselective reaction; | 2% |
Conditions | Yield |
---|---|
With oxygen; tris hydrochloride In water; dimethyl sulfoxide at 25℃; for 15h; pH=8.0; | 2% |
Conditions | Yield |
---|---|
With pyridine |
norepinephrine
(R)-2-acetylamino-1-(3,4-dimethoxy-phenyl)-ethanol
Conditions | Yield |
---|---|
durch Acetylierung und Umsetzung des Reaktionsprodukts mit Diazomethan; |
Conditions | Yield |
---|---|
With methanol; silver(l) oxide |
norepinephrine
chloroformic acid ethyl ester
((R)-3,4,β-trihydroxy-phenethyl)-carbamic acid ethyl ester
norepinephrine
acetic anhydride
(R)-2-acetylamino-1-(3,4-diacetoxy-phenyl)-ethanol
Conditions | Yield |
---|---|
With ethanol | |
In methanol |
norepinephrine
6-oxoheptanoic acid p-methylanilide
6-[(E)-(R)-2-(3,4-Dihydroxy-phenyl)-2-hydroxy-ethylimino]-heptanoic acid p-tolylamide
Conditions | Yield |
---|---|
With 3 A molecular sieve In N,N-dimethyl-formamide at 75℃; for 24h; |
norepinephrine
6-oxo-N-<4-(trifluoromethyl)phenyl>heptanamide
A
6-[(E)-(R)-2-(3,4-Dihydroxy-phenyl)-2-hydroxy-ethylimino]-heptanoic acid (4-trifluoromethyl-phenyl)-amide
Conditions | Yield |
---|---|
With 3 A molecular sieve In N,N-dimethyl-formamide at 75℃; for 24h; Title compound not separated from byproducts; |
norepinephrine
homovanillic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 25℃; |
norepinephrine
acetaldehyde
trans-1,2,3,4-tetrahydro-1-methyl-4,6,7-isoquinolinetriol hydrochloride
cis-1,2,3,4-tetrahydro-1-methyl-4,6,7-isoquinolinetriol hydrochloride
Conditions | Yield |
---|---|
With hydrogenchloride for 36h; Product distribution; with formaldehyde, var. pH; | |
With hydrogenchloride for 36h; Yield given. Yields of byproduct given; |
norepinephrine
4-diethylaminodiazobenzene-4'-isothiocyanate
Conditions | Yield |
---|---|
With acetic acid; triethylamine In acetone Addition; Heating; |
Conditions | Yield |
---|---|
With Krebs solution; monoamine oxidase in lung of rat Kinetics; Further Variations:; Catalysts; Deamination; |
norepinephrine
water
ethylenediamine
1,2,3,4-tetrahydropyrazino[2,3-g]quinoxaline
Conditions | Yield |
---|---|
pH 11; |
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