Welcome 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:34391-04-3
Min.Order:0 Metric Ton
Negotiable
Type:Manufacturers
inquiryOur Server 1. Competitive offers with standard high quality or customize 2. Available customizing blending of above 2 single products 3. Prompt delivery within 2-3 weeks(1 weeks is available for ready stock) 4. Well-trained and profession
Our 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:34391-04-3
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:34391-04-3
Min.Order:1 Kilogram
FOB Price: $0.9 / 1.0
Type:Lab/Research institutions
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:34391-04-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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Cas:34391-04-3
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquirySalbutamol CAS:34391-04-3 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 organic intermediates,
Cas:34391-04-3
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
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
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Cas:34391-04-3
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
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Zibo 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:34391-04-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct name: Levalbuterol CAS No.: 34391-04-3 Molecule Formula:C13H21NO3 Molecule Weight:239.31 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard TESTI
Cas:34391-04-3
Min.Order:1 Kilogram
Negotiable
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 powd
Cas:34391-04-3
Min.Order:1 Kilogram
FOB Price: $50.0 / 100.0
Type:Trading Company
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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
Cas:34391-04-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:34391-04-3
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
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We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:34391-04-3
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
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
high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
KONING PHARMCHEM CO., LTD. has committed itself to a strategy of providing a unique service for companies involved in the manufacture of pharmaceuticals, healthcare products, food, cosmetics and other fine chemicals. Our products including but not li
Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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TIANFUCHEM--34391-04-3---Salbutamol Application:TIANFUCHEM--34391-04-3---Salbutamol
Our 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
(-)-(R)-2-(tert-butylamino)-1-(2,2-dimethyl-4H-benzo[d][1,3]dioxin-6-yl)-ethanol
Levalbuterol
Conditions | Yield |
---|---|
With sulfuric acid In methanol at 21℃; | 99% |
(R)-α1-[[(1,1-dimethylethyl)amino]methyl]-4-hydroxy-1,3-benzenedimethanol D-dibenzoyltartrate
Levalbuterol
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; ethyl acetate at -2 - 2℃; for 1.25h; Product distribution / selectivity; | 92.5% |
methanol
(R)-α1-[[(1,1-dimethylethyl)amino]methyl]-4-hydroxy-1,3-benzenedimethanol D-dibenzoyltartrate
A
N-(tert-butyl)-2-methoxy-2-(4-hydroxy-3-(hydroxymethyl)phen-1-yl)-ethanamine
B
SLB-OMe prim
C
Levalbuterol
Conditions | Yield |
---|---|
With hydrogenchloride In ethyl acetate at -2 - 2℃; for 1.25 - 2h; Product distribution / selectivity; | A n/a B n/a C 92.3% |
Conditions | Yield |
---|---|
With hydrogen; triethylamine; (2R,4R)-4-(dicyclohexylphosphino)-2-(diphenylphosphino-methyl)-N-methyl-aminocarbonyl-pyrrolidine In methanol; toluene at 50℃; under 15001.5 Torr; for 23h; Product distribution / selectivity; | A 90% B n/a |
tert-butylamine
Levalbuterol
Conditions | Yield |
---|---|
at 100℃; for 8h; Temperature; | 88% |
A
Levalbuterol
Conditions | Yield |
---|---|
With dimethylsulfide borane complex; chiral oxazaborolidine derivative In toluene Product distribution; 1.) 3 h, 0 deg C, 2.) 5 h, reflux; other catalysts, solvents, temperatures and amount of catalyst; | |
With dimethylsulfide borane complex; chiral oxazaborolidine derivative In toluene 1.) 3 h, 0 deg C, 2.) 5 h, reflux; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
4-Hydroxyacetophenone
Levalbuterol
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: dimethyl amine / water / 8 h / 40 °C 1.2: 4 h / 110 °C 2.1: bromine / chloroform; water / 12 h / -5 °C 3.1: water; borane pyridine / toluene / 12 h / 25 °C / Inert atmosphere 4.1: 8 h / 100 °C View Scheme |
4'-acetoxy-3'-(acetoxymethyl)acetophenone
Levalbuterol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: bromine / chloroform; water / 12 h / -5 °C 2: water; borane pyridine / toluene / 12 h / 25 °C / Inert atmosphere 3: 8 h / 100 °C View Scheme |
Salbutamol
Levalbuterol
Conditions | Yield |
---|---|
With (+)-O,O'-di-p-toluoyl-D-tartaric acid Resolution of racemate; | n/a |
Conditions | Yield |
---|---|
With β‑cyclodextrin sulfonic acid In aq. phosphate buffer at 25℃; pH=3; pH-value; Reagent/catalyst; Resolution of racemate; | |
With capillary electrochromatography open-tubular column coated with 1-allylimidazolium-β-cyclodextrin In aq. acetate buffer at 20℃; pH=8; pH-value; Resolution of racemate; |
A
Levalbuterol
Conditions | Yield |
---|---|
With isopropylamine; trifluoroacetic acid In methanol at 25℃; under 75007.5 Torr; Reagent/catalyst; Resolution of racemate; |
5-<<(1,1-Dimethylethyl)amino>acetyl>-2-hydroxybenzaldehyde hydrochloride
Levalbuterol
Conditions | Yield |
---|---|
With sodium tetrahydroborate; boron trifluoride diethyl etherate; (R)-α,α-diphenylprolinol In tetrahydrofuran at 25℃; for 3h; Concentration; Solvent; Reagent/catalyst; Inert atmosphere; Reflux; |
salicylaldehyde
Levalbuterol
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: aluminum (III) chloride / 1,2-dichloro-ethane / 36 h / 70 - 80 °C 2.1: isopropyl alcohol / 2 h / 80 °C 2.2: 16 h / 15 - 30 °C 3.1: sodium tetrahydroborate; (R)-α,α-diphenylprolinol; boron trifluoride diethyl etherate / tetrahydrofuran / 3 h / 25 °C / Inert atmosphere; Reflux View Scheme |
5-(2-bromoacetyl)-2-hydroxybenzaldehyde
Levalbuterol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: isopropyl alcohol / 2 h / 80 °C 1.2: 16 h / 15 - 30 °C 2.1: sodium tetrahydroborate; (R)-α,α-diphenylprolinol; boron trifluoride diethyl etherate / tetrahydrofuran / 3 h / 25 °C / Inert atmosphere; Reflux View Scheme |
Levalbuterol
Conditions | Yield |
---|---|
Stage #1: Levalbuterol With sodium hydroxide In methanol; acetonitrile at 75℃; for 2h; Stage #2: With boric acid In methanol; water; acetonitrile at 75℃; for 2h; | 70% |
Levalbuterol
phenylboronic acid
Conditions | Yield |
---|---|
Stage #1: Levalbuterol With sodium hydroxide In toluene at 115℃; for 0.5h; pH=12; Stage #2: phenylboronic acid In toluene at 115℃; for 4h; | 70% |
Dihydroxy-isobutyl-boran
Levalbuterol
Conditions | Yield |
---|---|
With sodium hydroxide In toluene at 115℃; for 4h; pH=Ca. 12; | 69% |
Levalbuterol
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water at 0 - 5℃; for 2h; pH=3.5 - 4.5; | 45% |
With hydrogenchloride In methanol; water at 0 - 5℃; for 2h; pH=3.5 - 4.5; | 45% |
With hydrogenchloride In ethyl acetate |
Conditions | Yield |
---|---|
In neat (no solvent) Molecular sieve; Microwave irradiation; Green chemistry; | 30% |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 12h; Inert atmosphere; | 11.5% |
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