价格信息
基本信息
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β-环糊精
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7585-39-9
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beta-环糊精；β-环状糊精；倍他环糊精；BETA-环状糊精；環糊精；肛环糊精；环麦芽七糖
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C42H70O35
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1134.98
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b-Cyclodextrin
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231-493-2
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1.624 g/cm3
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Cycloheptaamylose(7CI);2,4,7,9,12,14,17,19,22,24,27,29,32,34-Tetradecaoxaoctacyclo[31.2.2.23,6.28,11.213,16.218,21.223,26.228,31]nonatetracontane,b-cyclodextrin deriv.; BW 7; BW 7(polysaccharide); Betadex; Cavamax W 7; Cavatex W 7MCT; Celdex B 100; Celdex B100H; Celdex B 100z; Celdex N; Cibatex OC-CLD; Cyclodextrin Beta W 7M1.8;Cycloheptaglucan; Cycloheptaglucosan; Cyclomaltoheptaose; Dextrin, b-cyclo; Dexy Pearl 100; Kleptose;Kleptose B; NSC 269471; NSC 314334; Rhodocap N; Rindex B; Ringdex B; RingdexBL; Schardinger b-dextrin;Stereoisomer of5,10,15,20,25,30,35-heptakis(hydroxymethyl)-2,4,7,9,12,14,17,19,22,24,27,29,32,34-tetradecaoxaoctacyclo[31.2.2.23,6.28,11.213,16.218,21.223,26.228,31]nonatetracontane-36,37,38,39,40,41,42,43,44,45,46,47,48,49-tetradecol;b-Cycloamylose; b-Cycloheptaamylose; b-Dextrin
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908.5oC
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>260oC (dec.)(lit.)
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1578.5oC at 760 mmHg
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详细信息
分子式：C42H70O35
分子量：1134.98
EINECS：231-493-2
别 名：beta-环糊精，B-环糊精
别名英文名：Caraway，Cycloheptaamylose，Cyclomaltoheptaose，Schardinger β-Dextrin
性状：白色粉状结晶。在分子环状结构中有空穴，空穴内径0.7～0.8nm，与各种有机物可生成包埋化合物。
熔点：290-300 °C
备注: 以上描述，仅作参考，并不表示您收到的产品，与此项描述完全相符，产品的出厂标准，请参见质量标准。
质量标准
96%:
外观Appearance 白色结晶性粉末
纯度Purity >96.0% (HPLC)
比旋度Specific rotation [a]20/D +159.0 ～ +164.0°(C=1, H2O) (以干基计)
吸光度Absorbance <0.100(15 g/L, 水, 260.0 nm)
水分Water <14.0 %
鉴别 呈正反应
灼烧残渣Residue On Ignition ≤0.1%
备注：96%级别仅作为组织培养基用
98%:
外观appearance white powder
红外光谱IR spectrum Consistent with structure
纯度Purity >98.0% (HPLC)
比旋度Specific rotation [a]20/D +161.0 ～ +165.0°(C=1, Water) (以干基计)
氨水溶解性solubility clear colorless to faint yellow solution at 50mg/ml in 1M ammonium hydroxide
水分Water <14.0 %
品级Grade 用于细胞培养, ≥98% (for cell culture, ≥98%)
外观appearance white powder
红外光谱IR spectrum Consistent with structure
氨水溶解性solubility clear colorless to faint yellow solution at 50mg/ml in 1M ammonium hydroxide
水分water content by karl fischer ≤14% (10moles/mole)
purity by thin layer chromatography ≥98%
细胞培养测试cell culture test pass
贮存：密封干燥保存。
用途：络合剂。酶活性研究。组织培养剂。
联合国编号：
Risk： -
Safety : S24/25 -
Hazard :
