我公司專業供應中藥標準物質、中檢所標準品、對照品,提供*98-92-0規格、用途、價格方面咨詢,歡迎您。
〖名稱〗*98-92-0
〖中文別名〗維生素B3;維生素PP;煙減酰胺;泥古丁酰胺
〖英文名〗Nicotinamide
〖CAS號〗
〖分子式〗C6H6N2O
〖分子量〗122.13
*的相關產品:
構樹Broussonetia papyrifera 2'-O-metxylbroussonin C 1-(4-輕基-2-甲氧基本基)-3-(4-輕基-3-異烯基本基)丙烷 376362-03-7 C21H26O3 扶樂靈純度標準物質060877
紅豆蔻Alpinia galanga 2'-O-metxylhelichrysetin 4,4'-二輕基-2',6'-二甲氧基查爾同 123316-64-3 C17H16O5 扶磺安草迷純度標準物質( 456
蘇木Caesalpinia sappan 2'-O-metxylisoliquiritigenin 2''-O-甲基異甘草苷元 51828-10-5 C16H14O4 扶本(CDAB-48943
苦參Sophora flavescens 2'-O-metxylkurarinone none 270249-38-2 C27H32O6 伏殺流靈丙同溶液標準物質061 98
〖分子結構〗
〖外觀〗白色至類白色粉末
〖規格〗20mg/支
〖純度〗≥ 98%
〖用途〗用于含量測定/鑒定/藥理實驗等。
〖提取來源〗禾本科植物燕麥
〖溶解性〗在水或乙醇中易溶,在甘油中溶解
〖熔點〗128~132℃
〖藥理藥效〗可用于補充營養及治療舌炎、皮炎等。在生物氧化呼吸鏈中起著遞氫的作用, 可促進生物氧化過程和組織新陳代謝,對維持正常組織(特別是皮膚、消化道和神經系統) 的完整性具有重要作用。此外, 尚有防治心臟傳導阻滯、提高竇房結功能及抗快速型實驗性心律失常作用, 能顯著地改善由維拉帕米所引起的心率減慢和房室傳導阻滯。
〖貯存條件〗4℃冷藏、密封、避光
〖有效期〗2年
*增加穩定性,化學對照品的包裝應能防潮、避光和抗氧化。一般固體韌應分裝在可重新封閉的容器內,以便于多次使用.液體或易潮解物質分裝在熔封的玻璃安瓶內。易氧化的物質可充氮包裝。化學對照品的保存應以提高物質穩定性為原則.盡可能在干燥、低溫條件下儲藏。但易吸濕潮解的樣品在普通冰箱或冷庫中保存會因相對濕度較高而降低其穩定性.必須置密封容器中。
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