| 維生素 B12 |
| 概述 性狀 維生素B12的結(jié)構(gòu) 生理功能 維生素B12缺乏 應(yīng)用 含量分析 ** 使用限量 食品添加劑允許使用量允許殘留量標(biāo)準(zhǔn) MSDS 用途與合成方法 維生素 B12價(jià)格(試劑級(jí)) 上下游產(chǎn)品信息 專題 |
| 中文名稱: | 維生素 B12 |
| 中文同義詞: | 維生素B12/維生素乙12/氰鈷胺/維他命B12/氰基鈷胺/鈷胺素/VB12;氰鈷銨素雜質(zhì);氰鈷胺VB12;維生素乙B12;維他命B12;維生素B12 標(biāo)準(zhǔn)品;鈷胺素;VB12/氰鈷胺素;氰鈷胺 |
| 英文名稱: | Vitamin B12 |
| 英文同義詞: | Methylcobalamin Manufacturer;COBALAMINE;CN-CBL;ALPHA-(5,6-DIMETHYLBENZIMIDAZOLYL)CYANOCOBAMIDE;A-(5,6-DIMETHYLBENZIMIDAZOLYL)COBAMIDE CYANIDE;Vitamin B12;α-(5,6-Dimethylbenzimidazolyl)cyanocobamide;Vb12 |
| CAS號(hào): | 68-19-9 |
| 分子式: | C63H88CoN14O14P |
| 分子量: | 1355.37 |
| EINECS號(hào): | 200-680-0 |
| 相關(guān)類別: | 醫(yī)藥原料-;醫(yī)藥原料藥-科研原料;營(yíng)養(yǎng)強(qiáng)化劑-;標(biāo)準(zhǔn)品-;原料藥;中藥對(duì)照品;標(biāo)準(zhǔn)品;氨基酸;分析標(biāo)準(zhǔn)品;對(duì)照品;植提標(biāo)準(zhǔn)品;維生素;植物提取物;原料;小分子抑制劑;小分子抑制劑，天然產(chǎn)物;醫(yī)藥原料;醫(yī)藥;原料-;食品添加劑;其他醫(yī)藥類-;-;維生素類;營(yíng)養(yǎng)強(qiáng)化劑;飼料添加劑;維生素添加劑;Biochemistry;Classes of Metal Compounds;Co (Cobalt) Compounds;Porphyrins;Transition Metal Compounds;Vitamins;Nutritional Supplements;Vitamins and derivatives;Vitamin Ingredients;Carbohydrates & Derivatives;Chiral Reagents;Intermediates & Fine Chemicals;Pharmaceuticals;食品和飲料標(biāo)準(zhǔn)品;食品飼料添加劑;醫(yī)藥類;生化試劑;Organometallics;Mainly used in the treatment of giant young red blood cell anemia, nutritional bad blood loss anemia, neuralgia and obstructive disease;Vitamin series;Cobalamin, vitamin B-12;vitamin;Pharmaceutical intermediates;Inhibitors |
| Mol文件: | 68-19-9.mol |
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| 維生素 B12 性質(zhì) |
| 熔點(diǎn) | >300°C |
| 比旋光度 | 23656 -59 ± 9° (dil aq soln) |
| 閃點(diǎn) | 9℃ |
| 儲(chǔ)存條件 | 2-8°C |
| 溶解度 | Sparingly soluble in ** and in ethanol (96 per cent), practically insoluble in acetone. The anhydrous substance is very hygroscopic. |
| 形態(tài) | Crystalline Powder or Crystals |
| 酸度系數(shù)(pKa) | pKa 3.28±0.04(H2O,D2O t=23±0.5 Iunspeci?ed) (Uncertain) |
| 顏色 | Red to dark red |
| 水溶解性 | Soluble |
| 敏感性 | Hygroscopic |
| Merck | 14,10014 |
| BRN | 4122889 |
| 穩(wěn)定性 | Hygroscopic. Keep cold and dry. |
| InChIKey | RMRCNWBMXRMIRW-WZHZPDAFSA-L |
| EPA化學(xué)物質(zhì)信息 | Vitamin B12(68-19-9) |
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