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标准品! 阿尔法环糊精,Alpha-Cyclodextrin,ACD,α-环糊精,A-环糊精

α-环糊精 标准品

CAS No. : 10016-20-3
说明 : Native, Neutral,Standard Grade Cyclodextrins
级别 : Standard Grade
品名 : α-Cyclodextrin,Alpha-Cyclodextrin,阿尔法环糊精,ACD,α-环糊精,标准品!
产地 : 匈牙利
包装 : 电询
CHEMICAL AND PHYSICAL DESCRIPTION
Molecular FormulaC36H60O30
Formula Weight972.9
Possible impuritiesOther cyclodextrins, linear oligomers
Solubility
(in 100 cmsolvent, at 25 °C)
Water: > 10 g
Methanol: < 1.0 g
DMSO: > 10 g
SPECIFICATION
TestMethodRange
AppearanceVisualwhite or almost white powder
IdentificationHPLC (EP 2.2.29)complies with reference
Appearance of 1% aqueous solutionVisual (EP 2.2.1)clear solution
Light absorbing impurities (1%)UV-Vis (EP 2.2.25)A230 - A350: max. 0.20
A350 - A750: max. 0.10
pH of 1% aqueous solutionEP 2.2.35.0 - 8.0
ACD contentHPLC (EP 2.2.29)> 95.0%
Related substances
residual BCD
residual GCD
sum of other impurities
HPLC (EP 2.2.29)
max. 0.25%
max. 0.25%
max. 0.50%
ConductometryEP 2.2.38max. 200 μS/cm
Loss on dryingEP 2.2.32max. 11.0%

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

Storage: at room temperature, in tightly closed container. 

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