Taizhou Volsen Chemical Co., Ltd.
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1271 47 2

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(Total 12 Products for 1271 47 2)

  • Ethynylferrocene CAS 1271-47-2

    Ethynylferrocene CAS 1271-47-2

    • Brand: VOLSENCHEM
    • Packaging: AS REQUIRED
    • Supply Ability: TRUE MANUFACTURER
    • Min. Order: 1 Kilogram

    Ethynylferrocene CAS NO 1271-47-2 is red solid, and has the molecular formula of C12H10Fe and formula weight of 210.05. Ethynylferrocene CAS 1271-47-2, also called Ferrocene, Ethynyl-(8CI,9CI) is high purity offered by our company with low price. We have 80 gram Ethynylferrocene 1271-47-2 in stock and the purity of it...

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  • Fluoroquinolone Antibiotic Sitafloxacin Intermediate CAS 127199-45-5

    Fluoroquinolone Antibiotic Sitafloxacin Intermediate CAS 127199-45-5

    • Brand: VOLSENCHEM
    • Packaging: As Quantity
    • Supply Ability: IN STOCK
    • Min. Order: 1 Gram

    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

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

    • Brand: VOLSENCHEM
    • Packaging: AS REQUIRED
    • Supply Ability: TRUE MANUFACTURER
    • Min. Order: 1 Kilogram

    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

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

    • Brand: VOLSENCHEM
    • Packaging: AS REQUIRED
    • Supply Ability: TRUE MANUFACTURER
    • Min. Order: 1 Kilogram

    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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  • (1R,2R)-2-Fluorocyclopropanecarboxylic Acid For Sitafloxacin CAS 127199-13-7

    (1R,2R)-2-Fluorocyclopropanecarboxylic Acid For Sitafloxacin CAS 127199-13-7

    • Brand: VOLSENCHEM
    • Packaging: AS REQUIRED
    • Supply Ability: TRUE MANUFACTURER
    • Min. Order: 1 Kilogram

    (1R,2R)-2-fluorocyclopropanecarboxylic acid is an intermediates of Sitafloxacin CAS number 127199-13-7. A simple and efficient method for preparing (1R, 2R) -2-fluorocyclopropanecarboxylic acid is as follows: The racemic 2-fluorocyclopropanecarboxylic acid was resolved by using (-)-strychnine,(...

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

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

    • Brand: VOLSENCHEM
    • Packaging: AS REQUIRED
    • Supply Ability: TRUE MANUFACTURER
    • Min. Order: 1 Kilogram

    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 477600-75-2,Tofacitinib(CP-690550, Tasocitinib)

    Cas 477600-75-2,Tofacitinib(CP-690550, Tasocitinib)

    • Brand: VOLSEN
    • Packaging: as required
    • Supply Ability: True manufacturer
    • Min. Order: 1 Gram

    Thera. Category:treatment of rheumatoid arthritis Cas No.:477600-75-2 Synonym:3-((3R,4R)-4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidin-1-yl)-3-oxopropanenitrile;CP 690550;3-Piperidinamine, 1-(cyanoacetyl)-4-methyl-N-methyl-N-1H-pyrrolo(2,3-D)pyrimidin-4-yl-,...

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  • Cas 479633-63-1 ,4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine[Tofacitinib Intermediates]

    Cas 479633-63-1 ,4-Chloro-7-tosyl-7H-pyrrolo[2,3-d]pyrimidine[Tofacitinib Intermediates]

    • Brand: VOLSEN
    • Packaging: As Required
    • Supply Ability: TRUE MANUFACTURER
    • Min. Order: 1 Gram

    4-Chloro-7-[(4-methylphenyl)sulfonyl]-7H-pyrrolo[2,3-d]pyrimidine is an intermediate of Tofacitinib CAS 479633-63-1, molecular formula: C13H10ClN3O2S, molecular weight:307.76. Regarding the synthesis of 4-Chloro-7-[(4-methylphenyl)sulfonyl]-7H-pyrrolo[2,3-d]pyrimidine, some literature reports use...

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

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

    • Brand: VOLSENCHEM
    • Packaging: AS REQUIRED
    • Supply Ability: TRUE MANUFACTURER
    • Min. Order: 1 Kilogram

    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 22316-47-8, Clobazam

    CAS 22316-47-8, Clobazam

    • Brand: VOLSENCHEM
    • Packaging: 1KG/TIN
    • Min. Order: 1 Kilogram
    • Model No.: 22316-47-8

    Product Name: Clobazam (CAS NO.22316-47-8) Molecular Formula: C16H13ClN2O2 Molecular Weight: 300.74g/mol Mol File: 22316-47-8.mol Einecs: 244-908-7 Boiling point: 643.8 °C at 760 mmHg Storage Temperature: 2-8°C Flash Point: 343.2 °C Density: 1.335 g/cm3 Surface Tension: 52.5 dyne/cm Enthalpy of Vaporization: 95 kJ/mol...

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

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

    • Brand: VOLSENCHEM
    • Packaging: 1KGS/DRUM
    • Min. Order: 1 Kilogram
    • 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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  • CAS 242478-38-2,Hight Purity 99% Solifenacin Succinate

    CAS 242478-38-2,Hight Purity 99% Solifenacin Succinate

    • Brand: VOLSENCHEM
    • Packaging: As required
    • Min. Order: 1 Kilogram
    • Model No.: 242478-38-2

    We are professional suppliers of active pharmaceutical ingredient CAS 242478-38-2,Solifenacin Succinate manufacturers and suppliers in China .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. We offer...

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