127199 44 4

Fluoroquinolone Antibiotic Sitafloxacin Intermediate CAS 127199-45-5

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SITAFLOXACIN intermediate (S)-7-tert-Butoxycarbonylamino-5-azaspiro[2.4]heptane CAS number 127199-45-5, its synthesis ideas are the following: Firstly, synthesis of racemate of (S)-7-tert-Butoxycarbonylamino-5-azaspiro[2.4]heptane, and then split to get a single configuration of compounds, This method creates another...

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6,7-Difluoro-1-((1R,2S)-2-Fluorocyclopropyl)-4-Oxo-1,4-Dihydroquinoline-3-Carboxylic Acid 127199-00-2

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Sitafloxacin intermediate cis-(+)-6,7-Difluoro-1-(2-fluorocyclopropyl)-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid CAS number is 127199-00-2, his synthesis process is as follows: 1. Dissolve 84 g of 2,4,5-trifluoro-3-chlorobenzoic acid in 252 mL of DMF, add 55.8 g of oxalyl chloride, and react at 35 ° C for 2 h. The...

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8-chloro-6,7-difluoro-1-((1R,2S)-2-Fluorocyclopropyl)-4-Oxo-1,4-Dihydroquinoline-3-Carboxylic Acid 127199-27-3

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Sitafloxacin intermediate 8-chloro-6,7-difluoro-1-((1R,2S)-2-fluorocyclopropyl)-4-oxo-1,4-dihydroquinoline-3-carboxylic acid CAS number is 127199-27-3, his manufacturing process is as follows: 1. Under the protection of nitrogen, 20.9 g of ethyl 2,4,5-trifluorobenzoyl acetate, 1.5 g of cuprous iodide, 2.9 g of...

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(R)-Tert-Butyl 5-Azaspiro[2.4]Heptan-7-Ylcarbamate For Sitafloxacin

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Sitafloxacin impurity name is (R)-tert-butyl 5-azaspiro[2.4]heptan-7-ylcarbamate CAS number 127199-44-4，Molecular formula is C11H20N2O2，molecular weight is 212.2887. Thera. Category: Anti-infection Cas No.: 127199-44-4 Synonym:(R)-(5-Aza-spiro[2.4Content source]hept-7-yl)-carbamic acid tert-butyl ester; N-[(7R)-...

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Cas 284461-73-0,Sorafenib Purity NML98%

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Leading manufacturer and supplier of chemicals Cas 284461-73-0 Sorafenib in China. We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. Thera. Category:Anti-cancer Cas No.:284461-73-0 Synonym:Sorafenib tosylate Molecular Formula:C28H24ClF3N4O6S...

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CAS 284462-37-9, 4-(4-Aminophenoxy)-N-methylpicolinamide[Sorafenib Intermediate]

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Leading manufacturer and supplier of chemicals CAS 284462-37-9, 4-(4-Aminophenoxy)-N-methylpicolinamide,We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. Thera. Category:Anti-cancer Cas No.: 284462-37-9 Synonym:...

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CAS 143900-44-1, Ibrutinib Intermediate (S)-1-Boc-3-hydroxypiperidine

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CAS 143900-44-1,(S)-1-Boc-3-hydroxypiperidine We are professional and reputed 4-Phenoxyphenylboronic Acid (Ibrutinib Intermediate) CAS 51067-38-0 supplier in China. We adopt excellent quality raw material and latest equipment to process 4-Phenoxyphenylboronic Acid 51067-38-0. 4-Phenoxyphenylboronic Acid CAS NO...

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CAS 761440-16-8, 2,5-Dichloro-N-(2-(isopropylsulfonyl)-phenyl)pyrimidin-4-amine Ceritinib Intermediate

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CAS 761440-16-8, 2,5-Dichloro-N-(2-(isopropylsulfonyl)-phenyl)pyrimidin-4-amine We are professional Intermediates of CAS 761440-16-8, 2,5-Dichloro-N-(2-(isopropylsulfonyl)-phenyl)pyrimidin-4-amine manufacturers and suppliers in China. which is an intermediate Ceritinib.These high quality products are formulated by...

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CAS 98446-49-2/2,4-Dichloro-5-methoxyaniline For Making Bosutinib(TDP)

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We are professional Intermediates of CAS 98446-49-2 2,4-Dichloro-5-methoxyaniline manufacturers and suppliers in China. which is an intermediate Bsutinib.These high quality products are formulated by adopting quality methods and using well-tested ingredients that are procured from the certified vendors of the market....

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CAS 214470-57-2, methyl 4-(3-chloropropoxy)-3-methoxy-2-nitrobenzoate

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CAS 214470-57-2, methyl 4-(3-chloropropoxy)-3-methoxy-2-nitrobenzoate We are professional Intermediates of CAS 214470-57-2, methyl 4-(3-chloropropoxy)-3-methoxy-2-nitrobenzoate manufacturers and suppliers in China. which is an intermediate Bsutinib.These high quality products are formulated by adopting quality methods...

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CAS 54417-53-7,R-Tetrahydropapaverine for Making Cisatracurium Besylate

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We are the manufacturer of Cisatracurium besilate, in supplying various kinds of intermediates: 1) CAS 96687-52-4, (1R,1'R)-2,2'-(3,11-Dioxo-4,10-dioxatridecamethylene)-bis-(1,2,3,4-tetrahydro-6,7-dimethoxy-1-veratrylisoquindline)-dioxalate 2)CAS 96946-42-8,Cisatracurium besilate 3)CAS 141109-12-8,...

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Cas 444731-72-0,2,3-Dimethyl-2H-indazol-6-amine For making Pazopanib Hydrochloride

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• Model No.: 444731-72-0

Pazopanib hydrochloride Intermediate 2,3-Dimethyl-2H-indazol-6-amine called Pazopanib aminoindazole CAS number is 444731-72-0. It is the key raw material of pazopanib, the strength of his synthetic technology determines the competitiveness of downstream products strength. There is a synthetic method is very worth...

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