Items Standard Result Description White to off-white powder White powder Assay ≥98.5%
Cas:126690-41-3
Min.Order:1 Kilogram
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Type:Trading Company
inquiryhighest purity most favorable price Test/Observation Specifications Result Appearance White powder Complies
Cas:126690-41-3
Min.Order:1 Kilogram
FOB Price: $400.0
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:126690-41-3
Min.Order:1 Gram
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Type:Manufacturers
inquiryDayangchem’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. Near 20 years DayangChem has provided dif
Cas:126690-41-3
Min.Order:1 Gram
FOB Price: $1.0 / 2.0
Type:Lab/Research institutions
inquiryhebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm
Cas:126690-41-3
Min.Order:1 Kilogram
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Type:Trading Company
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:126690-41-3
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inquiryName:Ulipristal acetate intermediate N-2 The alias:Ulipristal acetate intermediate CAS NO:126690-41-3 EINECS NO:1592732-453-0 Molecular formula:C32H45NO6 Molecular weight:539.7 Product Quality 12 years of chemical raw materials Mature op
Cas:126690-41-3
Min.Order:25 Kilogram
FOB Price: $1.0 / 2.0
Type:Other
inquiry(5a,11b)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-ethanediyl acetal) Basic information Product Name: (5a,11b)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-et
Cas:126690-41-3
Min.Order:1 Gram
Negotiable
Type:Other
inquiryHenan Tianfu Chemical Co., Ltd. is located in Zhengzhou High-tech Development Zone with import and export license. We passed ISO 9001:2008 in 2009, and won "High-tech Enterprise" by provincial government in 2013.The objective of the com
Cas:126690-41-3
Min.Order:1 Kilogram
FOB Price: $1000.0
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
Cas:126690-41-3
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
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
Cas:126690-41-3
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
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
Cas:126690-41-3
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiry(5a,11b)-11-[4-(Dimethylamino)phenyl]-5,17-dihydroxy-19-norpregn-9-ene-3,20-dione cyclic bis(1,2-ethanediyl acetal) CAS:126690-41-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and develo
Cas:126690-41-3
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
Cas:126690-41-3
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:126690-41-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
Cas:126690-41-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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:126690-41-3
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiry1. A strong scientific research team . 2. Stable quality (with a complete scientific research center and testing center to ensure the quality stability of each batch of products). 3. Rich export experience (with practical experience in exporting to m
Cas:126690-41-3
Min.Order:1 Kilogram
FOB Price: $8.2 / 8.8
Type:Trading Company
inquiryProduct name: 3,20-Bis-Ethylenedioxy-5alpha,17alpha-Dihydroxy-11beta-(4-N,N-Dimethylamnophenyl)-19-Norpregn-9-Ene CAS No.:126690-41-3 Molecule Formula:C32H45NO6 Molecule Weight:539.70 Purity: 99.0% Package: 1kg/drum Description:White powder Ma
Cas:126690-41-3
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,
Cas:126690-41-3
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
Cas:126690-41-3
Min.Order:0
Negotiable
Type:Trading Company
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,
Cas:126690-41-3
Min.Order:1 Milligram
Negotiable
Type:Trading Company
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:126690-41-3
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:126690-41-3
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong 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:126690-41-3
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:126690-41-3
Min.Order:1 Metric Ton
FOB Price: $1.5
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 Business Custom Synthesis:
Cas:126690-41-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation
Cas:126690-41-3
Min.Order:1 Kilogram
Negotiable
Type:Other
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:126690-41-3
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe 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:126690-41-3
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry4-dimethylaminophenylmagnesium bromide
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
Conditions | Yield |
---|---|
With copper(l) iodide; dimethylsulfide In tetrahydrofuran at 20℃; | 93% |
4-bromo-N,N-dimethylaniline
5α,10α-epoxy-17α-hydroxy-19-norpregn-9(11)-ene-3,20-dione 3,20-bis(ethylene acetal)
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
Conditions | Yield |
---|---|
Stage #1: 4-bromo-N,N-dimethylaniline With 1,1-Dibromoethane; iodine; magnesium In tetrahydrofuran for 1.5h; Stage #2: 5α,10α-epoxy-17α-hydroxy-19-norpregn-9(11)-ene-3,20-dione 3,20-bis(ethylene acetal) With copper(l) chloride In tetrahydrofuran at 20℃; for 1h; Grignard reaction; | 76% |
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
Conditions | Yield |
---|---|
Stage #1: 4-bromo-N,N-dimethylaniline With magnesium; ethylene dibromide In tetrahydrofuran at 15 - 50℃; for 2.08333h; Stage #2: 3,3,20,20-bis(ethylene-dioxy)-17α-hydroxy-5,10-epoxy-19-norpregn-9(11)-ene; copper(l) chloride In tetrahydrofuran; dichloromethane at 15 - 25℃; for 2.75h; Stage #3: With water; ammonium chloride In tetrahydrofuran; dichloromethane Product distribution / selectivity; | 46% |
17α-hydroxy-19-norpregna-5(10),9(11)-diene-3,20-dione 3,20-bis(ethylene acetal)
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: 54.3 percent / 30 percent H2O2; (CF3)2CO*3H2O; Na2HPO4 / CH2Cl2 / 7.5 h / 4 °C 2.1: Mg; I2; dibromoethane / tetrahydrofuran / 1.5 h 2.2: 76 percent / CuCl / tetrahydrofuran / 1 h / 20 °C View Scheme |
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: 98 percent / DMAP; TEA / tetrahydrofuran / 20 °C 2.1: Li; di-t-butyl biphenyl / tetrahydrofuran / 2.25 h / -70 °C 2.2: HC(OEt)3; p-TsOH / CH2Cl2 / 20 °C 3.1: 54.3 percent / 30 percent H2O2; (CF3)2CO*3H2O; Na2HPO4 / CH2Cl2 / 7.5 h / 4 °C 4.1: Mg; I2; dibromoethane / tetrahydrofuran / 1.5 h 4.2: 76 percent / CuCl / tetrahydrofuran / 1 h / 20 °C View Scheme | |
Multi-step reaction with 4 steps 1.1: dmap; triethylamine / tetrahydrofuran / 12 h / 5 - 20 °C 2.1: copper(I) bromide / tetrahydrofuran; toluene / 23 h / 20 °C 3.1: orthoformic acid triethyl ester; toluene-4-sulfonic acid / dichloromethane / 18 h / 20 °C 3.2: 0.42 h / 4 °C 4.1: copper(l) iodide; dimethylsulfide / tetrahydrofuran / 20 °C View Scheme |
3,3-ethylenedioxy-17β-cyano-17α-chloromethyl(dimethyl)siloxy estren-5(10),9(11)diene
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: Li; di-t-butyl biphenyl / tetrahydrofuran / 2.25 h / -70 °C 1.2: HC(OEt)3; p-TsOH / CH2Cl2 / 20 °C 2.1: 54.3 percent / 30 percent H2O2; (CF3)2CO*3H2O; Na2HPO4 / CH2Cl2 / 7.5 h / 4 °C 3.1: Mg; I2; dibromoethane / tetrahydrofuran / 1.5 h 3.2: 76 percent / CuCl / tetrahydrofuran / 1 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: copper(I) bromide / tetrahydrofuran; toluene / 23 h / 20 °C 2.1: orthoformic acid triethyl ester; toluene-4-sulfonic acid / dichloromethane / 18 h / 20 °C 2.2: 0.42 h / 4 °C 3.1: copper(l) iodide; dimethylsulfide / tetrahydrofuran / 20 °C View Scheme |
4-bromo-N,N-dimethylaniline
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
Conditions | Yield |
---|---|
Stage #1: 4-bromo-N,N-dimethylaniline With magnesium In tetrahydrofuran; dichloromethane at 40 - 50℃; for 3h; Large scale; Stage #2: 3,3,20,20-bis(ethylene-dioxy)-17α-hydroxy-5β,10β-epoxy-19-norpregna-9(11)-ene With copper(l) chloride In tetrahydrofuran; dichloromethane at 10 - 20℃; for 2h; Cooling with ice; Large scale; | 957g |
4-bromo-N,N-dimethylaniline
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
Conditions | Yield |
---|---|
With magnesium; copper dichloride In tetrahydrofuran; ethylene dibromide at 10 - 25℃; for 2.5h; |
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dihydrogen peroxide; pyridine; 1,1,1,3,3,3-hexafluoro-2-propanone trihydrate / dichloromethane / -10 - 5 °C 2: magnesium; copper dichloride / tetrahydrofuran; ethylene dibromide / 2.5 h / 10 - 25 °C View Scheme |
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
CDB-3236
Conditions | Yield |
---|---|
With sulfuric acid In ethanol for 1h; Heating; | 88% |
Stage #1: 3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene With potassium hydrogensulfate; water at 5℃; for 4h; Stage #2: With potassium hydroxide; water In dichloromethane Product distribution / selectivity; | |
With hydrogenchloride; water at 25℃; for 2h; | |
With hydrogenchloride In water at 25℃; for 2h; |
propionic acid
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid; trifluoroacetic anhydride In dichloromethane; water at 0℃; for 1h; | 47% |
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
ulipristal acetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 88 percent / aq. H2SO4 / ethanol / 1 h / Heating 2: 68 percent / p-TsOH / CH2Cl2 / 0.33 h / 0 °C View Scheme |
acetic anhydride
3,3,20,20-bis(ethylene-dioxy)-5α-17α-dihydroxy-11β-[4-(N,N-dimethylamino)-phenyl-]-19-norpregna-9(11)-ene
ulipristal acetate
Conditions | Yield |
---|---|
With perchloric acid; acetic acid In dichloromethane at -10 - 0℃; for 0.5h; Cooling with ice; |
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