<th id="72jwc"><track id="72jwc"><sup id="72jwc"></sup></track></th>
    <tbody id="72jwc"></tbody>

    <th id="72jwc"></th>

    <del id="72jwc"></del>

    <tbody id="72jwc"></tbody>

        <li id="72jwc"><acronym id="72jwc"><u id="72jwc"></u></acronym></li>
      1. 當前位置:首頁 > 產品中心 > 抗生素

        chanpinzhongxin產品中心




        Naproxen Base/Naproxen Sodium

        CAS number: 26159-34-2

        Molecular formula:

        molecular weight:

        Chemical structure:

        Details

        PRODUCT NAME NAPROXEN SODIUM
        SHELF LIFE 3 years
        ITEMS SPECIFICATIONS RESULTS
        APPEARANCE WHITE TO ALMOST WHITE CRYSTALLINE POWDER WHITE CRYSTALLINE POWDER
        IDENTIFICATION

        A.INFRARED ABSORPTION THE INFRARED ABSORPTION SPETRUM IS CONCORDANT WITH THE REFERENCE SPECTRUM COMPLIES
        B. ULTRAVIOLET ABSORPTION ABSORPTIVITIES AT 2725NM,CALCULATED ON THE DRIED BASE, DO NOT DIFFER BY MORE THAN 3% 1%
        SPECIFIC  ROTATION -17° -- -15.3° -16.8°
        LOSS ON DRYING ≤1.0% 0.1%
        HEAVY METALS ≤0.002% <0.002%< td="">
        FREE NAPROXEN ≤1.0% 0.1%
        RELATED SUBSTANCES(HPLC)

        IMPURITY D(IN-HOUSE) ≤ 0.1% <0.01%< td="">
        IMPURITY E (IN-HOUSE,IMPUROTI C ON EP) ≤ 0.1% <0.01%< td="">
        ANY OTHER IMPURITY ≤ 0.1% <0.01%< td="">
        TOTAL IMPURITIES ≤ 0.5% <0.01%< td="">
        RESIDUAL SOLVENTS

        TOLUENE ≤50PPM <1ppm< td="">
        METHANOL ≤50PPM <4ppm< td="">
        ASSAY (ON DRIED BASIS)  IT CONTAINS C14H13NAO3 98.5%-101.5% 99.3%
        CONCLUSION COMPLIES WITH USP38 STANDARD