Octakis(6-deoxy-6-chloro)-gamma-cyclodextrin

(CODE: 57)


Abbreviation: perClGCD, OClGCD
CAS Number: 173094-60-5
Product Number: 57
Cyclodextrin type: Single isomer, neutral
Quality: standard grade
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Chemical and Physical Description
Molecular Formula C48H72O32Cl8
Formula Weight 1444.7
Possible impurities Gamma-cyclodextrin, over- and underchlorinated gamma-cyclodextrins, triphenylphosphine related substances, DMF, methanol, sodium chloride
Solubility
(in 100 cm3 solvent, at 25 °C)
DMF: soluble
Methanol: not soluble
Water: not soluble
Specification
Test Method Range
Appearance Visual white to slight yellow powder
Identification NMR (EP 2.2.33) conforms to theoretical structure
Purity Calculated
(on dry substance)
> 90%
CD-related impurities HPLC (EP 2.2.29) < 5%
Residual GCD content TLC (EP 2.2.27) < 0.5%
Residual solvents
DMF
Methanol
GC (EP 2.2.28)
< 2.0%
< 1.0%
Sodium chloride content CE (EP 2.2.47) < 0.15%
Triphenylphosphine related substances content HPLC (EP 2.2.29) < 0.3%
Loss on drying EP 2.2.32 < 5%
Comments: only for reagent and laboratory purposes, not for human use.

Storage: at room temperature, in tightly closed container.