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:83-43-2
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryEnglish name: Methylprednisolone Molecular Formula:C22H30O5 Molecular Weight:374.4706 CAS Registry Number:83-43-2 EINECS:201-476-4 Quality:BP/CP Density:1.28g/cm3 Melting point:228-237°C (dec.) Boiling point:571.8°C
hebei 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:83-43-2
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Manufacturers
inquiry1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers
Cas:83-43-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryXi’an Quanao Biotech Co., Ltd. with 18 years experience in plant extract filed. Product grade: Medicine, Health care product, Cosmetics, Food, Beverage, Feed. Hot selling market: Europe, North America, South America, Middle East, Asia Pacifi
Cas:83-43-2
Min.Order:50 Gram
FOB Price: $1.6 / 1.8
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
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:83-43-2
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:83-43-2
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:83-43-2
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
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:83-43-2
Min.Order:1 Gram
FOB Price: $1.0
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&
Cas:83-43-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
Cas:83-43-2
Min.Order:1 Kilogram
FOB Price: $9.0 / 99.0
Type:Trading Company
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam
Cas:83-43-2
Min.Order:1 Kilogram
FOB Price: $7.0 / 10.0
Type:Trading Company
inquiryAppearance:White to off-white crystalline powder Storage:ln stock Package:25kg/Carton drums Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china
Cas:83-43-2
Min.Order:1 Kilogram
Negotiable
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 service is
Hanways 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:83-43-2
Min.Order:1 Kilogram
FOB Price: $260.0 / 300.0
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:83-43-2
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. A
Cas:83-43-2
Min.Order:1 Kilogram
FOB Price: $40.0 / 60.0
Type:Trading Company
inquiryMethylprednisolone CAS:83-43-2 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 intermedi
Cas:83-43-2
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:83-43-2
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 and produce sarms in bulk quantity. We have 8 years experience making all kinds of sarms. And all our old customers
Cas:83-43-2
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiry1)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 etc. 3) OEM/ODM Available;
Cas:83-43-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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
Our 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:83-43-2
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryAppearance:white crystalline 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 products:Se
Cas:83-43-2
Min.Order:100 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryWe have overseas warehouses in California, Nuevo Laredo, Mexico, Vancouver, Canada, Amsterdam, The Netherlands and Melbourne, Australia. Overseas warehouses can provide some of the best selling products. We look forward to cooperating with strong loc
Cas:83-43-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryHubei Yuanmeng Biological Technology Co., Ltd., which is located in Wuhan, China. We are specializing in the exportation of APIs, and plant extracts ect. Our products has been exported to America, Australia, Brazil, the Europe, Middle East and other
Cas:83-43-2
Min.Order:1 Kilogram
FOB Price: $3.0 / 5.0
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
Cas:83-43-2
Min.Order:0 Metric Ton
Negotiable
Type:Lab/Research institutions
inquiryMethylprednisolone CAS 83-43-2 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality control
Cas:83-43-2
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
Type:Trading Company
inquiryJ&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
Conditions | Yield |
---|---|
Hydrolysis; | |
With potassium hydroxide In methanol; dichloromethane at 10 - 15℃; for 0.333333h; Inert atmosphere; |
(20Ξ)-11β-hydroxy-6α-methyl-17,20;20,21-bis-methylenedioxy-pregna-1,4-dien-3-one
Methylprednisolone
Conditions | Yield |
---|---|
With formic acid |
methylprednisolone acetate
A
Methylprednisolone
B
17α-acetoxy-11β,21-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
With aq. buffer In N,N-dimethyl-formamide at 25℃; Rate constant; Mechanism; pH dependence; |
17α-acetoxy-11β,21-dihydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
A
Methylprednisolone
B
methylprednisolone acetate
Conditions | Yield |
---|---|
With aq. buffer In N,N-dimethyl-formamide at 25℃; Rate constant; Mechanism; pH dependence; |
Conditions | Yield |
---|---|
With tetramethyl ammoniumhydroxide; tetrazolium blue In ethanol Rate constant; Ambient temperature; reaction of corticosteroids and their hemisuccinate esters with blue tetrazolium under USP assay conditions, hydrolysis of esters, effect of water content, kinetic study by HPLC; | |
With water In acetonitrile at 25℃; Rate constant; | |
In water at 25℃; Rate constant; rate constants for hydrolysis; |
6α-methylprednisolone-21-hydrogen succinate
A
Methylprednisolone
B
6α-methylprednisolone 17-hemisuccinate
Conditions | Yield |
---|---|
With aq. buffer In N,N-dimethyl-formamide at 25℃; Rate constant; Mechanism; pH dependence; |
6α-methylprednisolone 17-hemisuccinate
A
Methylprednisolone
B
6α-methylprednisolone-21-hydrogen succinate
Conditions | Yield |
---|---|
With aq. buffer In N,N-dimethyl-formamide at 25℃; Rate constant; Mechanism; pH dependence; |
6α-methylprednisolone 21-hemiadipate
Methylprednisolone
Conditions | Yield |
---|---|
With water In acetonitrile at 25℃; Rate constant; |
6α-methylprednisolone 21-hemisuberate
Methylprednisolone
Conditions | Yield |
---|---|
With water In acetonitrile at 25℃; Rate constant; |
17,21-dihydroxy-pregn-4-ene-3,11,20-trione
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 9 steps 1: aqueous hydrochloric acid; chloroform 2: benzene; toluene-4-sulfonic acid 3: peroxybenzoic acid; benzene / Behandeln unter Ausschluss von Licht, Behandeln des Reaktionsprodukts mit Ameisensaeure und Erwaermen des danach isolierten Reaktionsprodukts mit wss.-methanol. Kalilauge 4: toluene-4-sulfonic acid 5: benzene; diethyl ether 6: pyridine; thionyl chloride / Erwaermen des Reaktionsprodukts mit Lithiumalanat in Aether und Benzol 7: acetone; toluene-4-sulfonic acid 8: acetic acid; tert-butyl alcohol; selenium dioxide 9: aqueous formic acid View Scheme |
11β,21-dihydroxy-6α-methyl-pregna-4,17(20)c-dien-3-one
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: Dehydrierung durch Septomyxa affinis und anschliessende Acetylierung 2: diacetoxy-phenyl-iodan; OsO4; tert-butyl alcohol / Reagens 4: Pyridin 3: Hydrolysis View Scheme |
21-acetoxy-11β-hydroxy-6α-methyl-pregna-1,4,17(20)c-trien-3-one
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: diacetoxy-phenyl-iodan; OsO4; tert-butyl alcohol / Reagens 4: Pyridin 2: Hydrolysis View Scheme |
(20Ξ)-11β-hydroxy-6α-methyl-17,20;20,21-bis-methylenedioxy-pregn-4-en-3-one
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: acetic acid; tert-butyl alcohol; selenium dioxide 2: aqueous formic acid View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1: benzene; toluene-4-sulfonic acid 2: peroxybenzoic acid; benzene / Behandeln unter Ausschluss von Licht, Behandeln des Reaktionsprodukts mit Ameisensaeure und Erwaermen des danach isolierten Reaktionsprodukts mit wss.-methanol. Kalilauge 3: toluene-4-sulfonic acid 4: benzene; diethyl ether 5: pyridine; thionyl chloride / Erwaermen des Reaktionsprodukts mit Lithiumalanat in Aether und Benzol 6: acetone; toluene-4-sulfonic acid 7: acetic acid; tert-butyl alcohol; selenium dioxide 8: aqueous formic acid View Scheme |
(20Ξ)-17,20;20,21-bis-methylenedioxy-5α-pregnane-3,6,11-trione
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: toluene-4-sulfonic acid 2: benzene; diethyl ether 3: pyridine; thionyl chloride / Erwaermen des Reaktionsprodukts mit Lithiumalanat in Aether und Benzol 4: acetone; toluene-4-sulfonic acid 5: acetic acid; tert-butyl alcohol; selenium dioxide 6: aqueous formic acid View Scheme |
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: acetone; toluene-4-sulfonic acid 2: acetic acid; tert-butyl alcohol; selenium dioxide 3: aqueous formic acid View Scheme |
6-methyl-11-oxo-3-pyrrolidino-pregna-3,5,17(20)c-trien-21-oic acid methyl ester
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: LiAlH4; diethyl ether / Behandeln des Reaktionsprodukts mit wss.-methanol.Alkalilauge 2: Dehydrierung durch Septomyxa affinis und anschliessende Acetylierung 3: diacetoxy-phenyl-iodan; OsO4; tert-butyl alcohol / Reagens 4: Pyridin 4: Hydrolysis View Scheme |
(8′S,9′S,10′R,13′S,14′S,17′R)-10′,13′-dimethyl-1′,2′,4′,7′,8′,9′,10′,12′,13′,14′,15′,16′-dodecahydro-11′H-trispiro[[1,3]dioxolane-2,3′-cyclopenta[a]phenanthrene-17′,4''-[1,3]dioxolane-5'',4'''-[1,3]dioxolan]-11′-one
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: peroxybenzoic acid; benzene / Behandeln unter Ausschluss von Licht, Behandeln des Reaktionsprodukts mit Ameisensaeure und Erwaermen des danach isolierten Reaktionsprodukts mit wss.-methanol. Kalilauge 2: toluene-4-sulfonic acid 3: benzene; diethyl ether 4: pyridine; thionyl chloride / Erwaermen des Reaktionsprodukts mit Lithiumalanat in Aether und Benzol 5: acetone; toluene-4-sulfonic acid 6: acetic acid; tert-butyl alcohol; selenium dioxide 7: aqueous formic acid View Scheme |
(20Ξ)-3,3-ethanediyldioxy-6β-hydroxy-6α-methyl-17,20;20,21-bis-methylenedioxy-5α-pregnan-11-one
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: pyridine; thionyl chloride / Erwaermen des Reaktionsprodukts mit Lithiumalanat in Aether und Benzol 2: acetone; toluene-4-sulfonic acid 3: acetic acid; tert-butyl alcohol; selenium dioxide 4: aqueous formic acid View Scheme |
(20Ξ)-3,3-ethanediyldioxy-17,20;20,21-bis-methylenedioxy-5α-pregnane-6,11-dione
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: benzene; diethyl ether 2: pyridine; thionyl chloride / Erwaermen des Reaktionsprodukts mit Lithiumalanat in Aether und Benzol 3: acetone; toluene-4-sulfonic acid 4: acetic acid; tert-butyl alcohol; selenium dioxide 5: aqueous formic acid View Scheme |
Conditions | Yield |
---|---|
With sodium hydroxide In water-d2 at 37℃; pH=7.0; |
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: sulfuric acid / tetrahydrofuran / pH 2 - 3 2.1: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h 3.1: iodine; calcium oxide / methanol; dichloromethane 3.2: 2 h / 45 - 50 °C 4.1: potassium hydroxide / methanol; dichloromethane / 0.33 h / 10 - 15 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h 2.1: iodine; calcium oxide / methanol; dichloromethane 2.2: 2 h / 45 - 50 °C 3.1: potassium hydroxide / methanol; dichloromethane / 0.33 h / 10 - 15 °C / Inert atmosphere View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1.1: trimethyloxosulfonium bromide; orthoformic acid triethyl ester / 5 h 2.1: sodium tetrahydroborate / tetrahydrofuran / 12 h 3.1: phthalic anhydride; dihydrogen peroxide / ethyl acetate / 6 h 4.1: magnesium / tetrahydrofuran / 4 h 5.1: sulfuric acid / tetrahydrofuran / pH 2 - 3 6.1: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h 7.1: iodine; calcium oxide / methanol; dichloromethane 7.2: 2 h / 45 - 50 °C 8.1: potassium hydroxide / methanol; dichloromethane / 0.33 h / 10 - 15 °C / Inert atmosphere View Scheme |
3,3;20,20-bis-ethanediyldioxy-17-hydroxy-pregn-5-en-11-one
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: sodium tetrahydroborate / tetrahydrofuran / 12 h 2.1: phthalic anhydride; dihydrogen peroxide / ethyl acetate / 6 h 3.1: magnesium / tetrahydrofuran / 4 h 4.1: sulfuric acid / tetrahydrofuran / pH 2 - 3 5.1: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h 6.1: iodine; calcium oxide / methanol; dichloromethane 6.2: 2 h / 45 - 50 °C 7.1: potassium hydroxide / methanol; dichloromethane / 0.33 h / 10 - 15 °C / Inert atmosphere View Scheme |
3,3;20,20-bis-ethanediyldioxy-pregn-5-ene-11β,17-diol
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: phthalic anhydride; dihydrogen peroxide / ethyl acetate / 6 h 2.1: magnesium / tetrahydrofuran / 4 h 3.1: sulfuric acid / tetrahydrofuran / pH 2 - 3 4.1: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h 5.1: iodine; calcium oxide / methanol; dichloromethane 5.2: 2 h / 45 - 50 °C 6.1: potassium hydroxide / methanol; dichloromethane / 0.33 h / 10 - 15 °C / Inert atmosphere View Scheme |
Methylprednisolone
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: magnesium / tetrahydrofuran / 4 h 2.1: sulfuric acid / tetrahydrofuran / pH 2 - 3 3.1: D-glucose; potassium dihydrogenphosphate / water; methanol / 50 h 4.1: iodine; calcium oxide / methanol; dichloromethane 4.2: 2 h / 45 - 50 °C 5.1: potassium hydroxide / methanol; dichloromethane / 0.33 h / 10 - 15 °C / Inert atmosphere View Scheme |
Methylprednisolone
methanesulfonyl chloride
2-((6S,8S,9S,10R,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl methanesulfonate
Conditions | Yield |
---|---|
With pyridine at 0 - 10℃; | 95% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; | 81% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; |
ethyl orthoacetate
Methylprednisolone
B
17α,21-diacetoxy-11β-hydroxy-6α-methyl-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
With sodium carbonate; toluene-4-sulfonic acid In N-methyl-acetamide; water; ethyl acetate | A 92.5% B n/a |
methyl orthovalerate
Methylprednisolone
B
11β,21-dihydroxy-6α-methyl-17α-valeroyloxy-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
With sodium carbonate; toluene-4-sulfonic acid In N-methyl-acetamide; water; ethyl acetate | A n/a B 91.7% |
Methylprednisolone
B
11β,21-dihydroxy-17α-isovaleryloxy-6α-methyl-1,4-pregnadiene-3,20-dione
Conditions | Yield |
---|---|
With sodium carbonate; toluene-4-sulfonic acid In N-methyl-acetamide; water; ethyl acetate | A 82.8% B n/a |
3-sulfopropanoic acid
Methylprednisolone
Conditions | Yield |
---|---|
With pyridine; dicyclohexyl-carbodiimide for 16h; | 70% |
Methylprednisolone
17α,21-dihydroxy-6α-methylpregna-1,4-diene-3,11,20-trione
Conditions | Yield |
---|---|
With pyridine; N-bromoacetamide |
Conditions | Yield |
---|---|
ueber mehrere Stufen; |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View