Methyl-beta-cyclodextrin (DS~12)

(CODE: 29)


Abbreviation: RAMEB
CAS Number: 128446-36-6
Product Number: 29
Cyclodextrin type: Randomly substituted cyclodextrins, neutral
Quality: pharma grade
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Chemical and Physical Description
Average Molecular Formula C42H70-nO35· (CH3)n
Average Formula Weight 1135 + n·(14.0)
Possible impurities Beta-cyclodextrin
Solubility
(in 100 cmsolvent, at 25 °C)
Water: > 50 g
Methanol: > 50 g
Chloroform: ~ 2 g
Specification
Test Method Range
Cyclodextrin content calculated >98%
Microbial contamination EP 2.6.12, EP 2.6.13 TAMC: max 103 CFU/ml
TYMC: max 10CFU/ml
Salmonella absent/10g
E. Coli absent/10g
Residue on ignition USP  max 0.5%
Chloride content Titration max. 0.2%
Volatile organics GC max. 50 ppm
Heavy metals USP max 10.0 ppm
Reducing compounds Titration max. 0.5%
Related substances:
residual BCD
HPLC max. 0.1%
Specific optical rotation Refractometer 154.0-165.0°
Loss on drying halogen dryer max. 5.0%
Storage: at room temperature, in tightly closed container.

MSDS Downloads

  • CY2004-1-RAMEB

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