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标准品! 倍他环糊精,Beta-Cyclodextrin,BCD,B-环糊精,β-Cyclodextrin

倍他环糊精 标准品 Standard Grade Cyclodextrins

CAS No. : 7585-39-9
说明 : Native, Neutral,Standard Grade Cyclodextrins
级别 : Standard Grade
品名 : β-Cyclodextrin,倍他环糊精,Beta-Cyclodextrin,BCD,B-环糊精,β-环糊精,标准品!
产地 : 匈牙利
包装 : 电询
CHEMICAL AND PHYSICAL DESCRIPTION
Molecular FormulaC42H70O35
Formula Weight1135.0
Possible impuritiesOther cyclodextrins, linear oligomers
Solubility
(in 100 cmsolvent, at 25 °C)
Water: < 2.0 g
Methanol: < 1.0 g
DMSO: > 10 g
SPECIFICATION
TestMethodRange
AppearanceVisualwhite or almost white crystalline powder
Identification 1HPLC (EP 2.2.29)conform to reference
Identification 2TLC (EP 2.2.27)conform to reference
Appearance of 1% aqueous solutionVisual (EP 2.2.1, EP 2.2.2)clear, colorless solution
Light absorbing impurities (1%)UV-Vis (EP 2.2.25)A230 - A350:max. 0.20
A350 - A700:max. 0.10
pH of 1% aqueous solutionEP 2.2.35.0 - 8.0
BCD contentHPLC (EP 2.2.29)98.0 - 101.0%
Related substances
residual ACD
residual GCD
sum of other impurities
HPLC (EP 2.2.29)
max. 0.25%
max. 0.25%
max. 0.50%
Water contentKarl-Fischer (EP 2.5.12)max. 16.0%

Comments: only for reagent and laboratory purposes, not for human use.

Storage: at room temperature, in tightly closed container. 

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