〖名稱〗*141433-60-5
〖別名〗*
〖英文名〗Berberine hydrochloride
〖分子式〗C20H18ClNO4
〖分子量〗371.81
〖CAS號(hào)〗141433-60-5
〖檢測(cè)方式〗高效液相色譜法HPLC≥98%
〖規(guī)格〗 20mg 50mg 100mg 500mg 1g (可根據(jù)客戶需求包裝)
〖性狀〗 本品為淡黃色結(jié)晶
〖作用與用途〗本品用于含量測(cè)定。
〖提取來(lái)源〗本品為蕓香科植物黃柏樹的干燥樹皮。
〖藥理性質(zhì)〗
熔點(diǎn)145℃。溶于水,難溶于苯、乙醚和氯仿。
〖用法〗〖色譜條件〗流動(dòng)相:磷酸鹽緩沖液[0.05mol/L磷酸二氫鉀和 0.05mol/L庚烷磺酸鈉(1:1),含0.2%三乙胺,并用磷酸調(diào)節(jié)pH值至3.0]-乙腈(60:40);檢測(cè)波長(zhǎng):263nm
(僅供參考)
〖貯藏方法〗
2-8°C,避光保存。
〖注意事項(xiàng)〗 本品應(yīng)在低溫下保存,長(zhǎng)時(shí)間在暴露在空氣中,含量會(huì)有所降低。
*增加穩(wěn)定性,化學(xué)對(duì)照品的包裝應(yīng)能防潮、避光和抗氧化。一般固體韌應(yīng)分裝在可重新封閉的容器內(nèi),以便于多次使用.液體或易潮解物質(zhì)分裝在熔封的玻璃安瓶?jī)?nèi)。易氧化的物質(zhì)可充氮包裝?;瘜W(xué)對(duì)照品的保存應(yīng)以提高物質(zhì)穩(wěn)定性為原則.盡可能在干燥、低溫條件下儲(chǔ)藏。但易吸濕潮解的樣品在普通冰箱或冷庫(kù)中保存會(huì)因相對(duì)濕度較高而降低其穩(wěn)定性.必須置密封容器中。
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