Why 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:68-22-4
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryAnalysis tests Standard Results Appearance White or kind of white powder or crystalline powder Almost white crystalline powder
Cas:68-22-4
Min.Order:1 Gram
FOB Price: $100.0 / 500.0
Type:Manufacturers
inquiryUnique advantages for Norethindrone Cas 68-22-4 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or almost white crystalline powder Storage:-20°C Freezer Package:1kg/foi
Cas:68-22-4
Min.Order:1 Kilogram
FOB Price: $750.0 / 770.0
Type:Trading Company
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
1. 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:68-22-4
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
Hubei Vanz Pharm Co. Ltd. is located in Wuhan, Hubei province. We are one of the most professional company in pharm/chmecial industry for more than 10 years. We export to many countries and area with very competitive price, high quality, good ser
Cas:68-22-4
Min.Order:10 Gram
Negotiable
Type:Manufacturers
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&
Our advantage:Our 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 Scient
Cas:68-22-4
Min.Order:1 Kilogram
Negotiable
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
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:68-22-4
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryProduct name: Norethindrone CAS: 68-22-4 Molecular Formula:C20H26O2 Molecular weight:298.42 Apparence:White Powder Purity:99% Appearance:White powder Storage:Store in cool and dry place, away from sun light. Package:drum Application:Animal P
Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua
Cas:68-22-4
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
Cas:68-22-4
Min.Order:1 Kilogram
FOB Price: $20.0 / 40.0
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:68-22-4
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:68-22-4
Min.Order:10 Gram
FOB Price: $2.25
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 prese
Cas:68-22-4
Min.Order:1 Kilogram
FOB Price: $854.0 / 985.0
Type:Trading Company
inquiryBeluga chemical professional supply High quality Norethindrone CAS 68-22-4 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Made in China and
Cas:68-22-4
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:68-22-4
Min.Order:1 Kilogram
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:68-22-4
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryHubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)
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
Cas:68-22-4
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:68-22-4
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryAppearance:white to light yellow crystal 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:Common
Cas:68-22-4
Min.Order:100 Metric Ton
Negotiable
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
Cas:68-22-4
Min.Order:1 Kilogram
FOB Price: $1.0 / 100000.0
Type:Lab/Research institutions
inquiryUSP standard Appearance:White or almost white crystalline powder Storage:Room temperature Package:25kg/drum or as required Application:used in medicine Transportation:by sea by air express Port:China main port
Cas:68-22-4
Min.Order:5 Kilogram
Negotiable
Type:Trading Company
inquiryOur company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-
Cas:68-22-4
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
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
Conditions | Yield |
---|---|
Stage #1: estra-4-ene-3,17-dione With potassium hydroxide In toluene; tert-butyl alcohol under 760.051 Torr; for 0.166667h; Reflux; Industrial scale; Stage #2: acetylene In tert-butyl methyl ether; toluene for 6h; Industrial scale; | 100% |
With potassium tert-butylate; acetone |
Conditions | Yield |
---|---|
With potassium In tert-Amyl alcohol; toluene at 20℃; Inert atmosphere; | 88% |
With potassium 2-methylbutan-2-olate |
norethisterone
Conditions | Yield |
---|---|
With potassium hydroxide In methanol; water Ambient temperature; | 86% |
hydroxide In water at 30℃; Rate constant; Kinetics; Mechanism; other catalysts used; |
Conditions | Yield |
---|---|
With Trichothecium roseum for 288h; Microbiological reaction; | 6.67% |
Conditions | Yield |
---|---|
ueber mehrere Stufen; |
3-methoxy-19-nor-17βH-pregna-2,5(10)-dien-20-yn-17-ol
norethisterone
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With hydrogenchloride; potassium tert-butylate 1.) THF, 1 h, -10 deg C; 2.) MeOH, 60-70 deg C, 2 h; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With ammonia |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 63 percent / aluminium isopropylate, 2-butanone / benzene / 15 h 2: 1.) K(t-BuO); 2.) conc. HCl / 1.) THF, 1 h, -10 deg C; 2.) MeOH, 60-70 deg C, 2 h View Scheme | |
Multi-step reaction with 3 steps 1: aluminum isopropoxide; sodium sulfate / methanol; water; cyclohexanone; toluene 2: 1,4-dioxane; methanol; (2S)-N-methyl-1-phenylpropan-2-amine hydrate; ISOPROPYLAMIDE 3: hydrogenchloride / methanol; water View Scheme |
3-Methoxy-6,7:8,9-diseco-1,3,5(10),7-oestratetraen-11,17-dion
norethisterone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 2: 63 percent / aluminium isopropylate, 2-butanone / benzene / 15 h 3: 1.) K(t-BuO); 2.) conc. HCl / 1.) THF, 1 h, -10 deg C; 2.) MeOH, 60-70 deg C, 2 h View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: CrO3 3: potassium tert-pentylate View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: potassium tert-pentylate View Scheme | |
Multi-step reaction with 3 steps 1: pyridine hydrochloride / 30 °C 2: potassium tert-butylate / acetone / 0 °C 3: hydrogenchloride / tetrahydrofuran; water / 50 °C View Scheme | |
Multi-step reaction with 3 steps 1: orthoformic acid triethyl ester; toluene-4-sulfonic acid / 60 °C 2: potassium ethoxide / toluene / 50 °C 3: sulfuric acid / water; 2-methyltetrahydrofuran / 0 °C View Scheme | |
Multi-step reaction with 3 steps 1: Pyridine hydrobromide / 20 °C 2: potassium 2-methylpropan-2-olate / tetrahydrofuran / 20 °C 3: hydrogenchloride / acetone; water / 10 °C View Scheme |
3-methoxy-19-nor-17βH-pregna-2,5(10)-dien-20-yn-17-ol
norethisterone
Conditions | Yield |
---|---|
With hydrogenchloride In methanol; water | |
With hydrogenchloride In methanol; water |
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 1-hydroxy-3H-benz[d][1,2]iodoxole-1,3-dione / dimethyl sulfoxide; ethyl acetate / 4.5 h / 55 - 65 °C 2: sodium chlorite; sodium dihydrogenphosphate / tert-butyl alcohol; water / 2.5 h / 20 °C 3: hydrogenchloride / water; acetone 4: pyridine hydrochloride / toluene; ethanol / Reflux 5: potassium / toluene; tert-Amyl alcohol / 20 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: sodium chlorite; sodium dihydrogenphosphate / tert-butyl alcohol; water / 2.5 h / 20 °C 2: hydrogenchloride / water; acetone 3: pyridine hydrochloride / toluene; ethanol / Reflux 4: potassium / toluene; tert-Amyl alcohol / 20 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: hydrogenchloride / water; acetone 2: pyridine hydrochloride / toluene; ethanol / Reflux 3: potassium / toluene; tert-Amyl alcohol / 20 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: ammonium chloride; lithium / tetrahydrofuran; ethanol; ammonia; water 2: aluminum isopropoxide; sodium sulfate / methanol; water; cyclohexanone; toluene 3: 1,4-dioxane; methanol; (2S)-N-methyl-1-phenylpropan-2-amine hydrate; ISOPROPYLAMIDE 4: hydrogenchloride / methanol; water View Scheme |
3-methoxyestra-2,5(10)-dien-17-one
norethisterone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1,4-dioxane; methanol; (2S)-N-methyl-1-phenylpropan-2-amine hydrate; ISOPROPYLAMIDE 2: hydrogenchloride / methanol; water View Scheme |
3-ethoxy-17α-ethynyl-19-desmethylpregna-3,5-diene-17β-ol
norethisterone
Conditions | Yield |
---|---|
With hydrogenchloride In water; acetone at 10℃; | 45.1 g |
norethisterone
Conditions | Yield |
---|---|
With sulfuric acid In 2-methyltetrahydrofuran; water at 0℃; | 45.5 g |
3-methoxy-19-norandrosta-3,5-dien-17-one
norethisterone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium tert-butylate / acetone / 0 °C 2: hydrogenchloride / tetrahydrofuran; water / 50 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium 2-methylpropan-2-olate / tetrahydrofuran / 20 °C 2: hydrogenchloride / acetone; water / 10 °C View Scheme |
norethisterone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: potassium ethoxide / toluene / 50 °C 2: sulfuric acid / water; 2-methyltetrahydrofuran / 0 °C View Scheme |
norethisterone
Conditions | Yield |
---|---|
With hydrogenchloride In tetrahydrofuran; water at 50℃; | 45.3 g |
Conditions | Yield |
---|---|
With sodium carbonate; trifluoroacetic anhydride In benzene for 0.5h; Ambient temperature; | 96.5% |
Stage #1: acetic acid With benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In chloroform at 20℃; for 0.5h; Inert atmosphere; Stage #2: norethisterone With dmap In chloroform for 18h; Inert atmosphere; Reflux; | 93% |
With dmap; dicyclohexyl-carbodiimide In chloroform at 20℃; | 91.6% |
In trifluoroacetic acid | 90% |
With benzenesulfonyl chloride In pyridine for 48h; | 79% |
norethisterone
17,17a-dimethyl-D-homogona-4,13,15,17(17a)-tetraen-3-one
Conditions | Yield |
---|---|
With formic acid at 95 - 100℃; for 2h; | 96% |
With formic acid | |
With formic acid; toluene-4-sulfonic acid | |
Multi-step reaction with 2 steps 1: 95 percent / dimethylformamide / 0.5 h / 0 - 5 °C 2: 47 percent / formic acid / 0.67 h View Scheme |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane for 16h; Ambient temperature; | 95.5% |
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane Ambient temperature; | 95% |
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