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Pharma grade cyclodextrins
Research grade cyclodextrins
Analytical standards
Sugammadex related impurities (analytical standards)
Anionic cyclodextrins
Cationic cyclodextrins
Non-ionic cyclodextrins
Single isomer cyclodextrins
Polymers
Fluorescent cyclodextrins
Complexes
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HPLC columns
QD
Methyl-beta-cyclodextrin (DS~12) primary standard
(CODE: -)
Price:
€ 173.65 / g
Abbreviation:
RAMEB PS
CAS Number:
128446-36-6
Product Number:
-
Cyclodextrin type:
Randomly substituted, non-ionic
Quality:
Analytical standard grade
for
173.65
EUR
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Volume
Volume Discount
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0%
€ 173.65 / g
Chemical and Physical Description
Average Molecular Formula
C
42
H
70-n
O
35
· (CH
3
)
n
Average Formula Weight
1135 + n·(14.0)
Possible impurities
Beta-cyclodextrin
Solubility
(in 100 cm
3
solvent, at 25 °C)
Water: > 50 g
Methanol: > 50 g
Chloroform: ~ 2 g
Specification
Test
Method
Range
Appearance
Visual
white or almost white powder
Identification A
IR (USP <197>, EP 2.2.24)
conform with theoretical structure
Identification B
NMR (EP 2.2.33)
conform with theoretical structure
Clarity of solution (10%, w/v)
Visual
the solution is clear, and essentially free from particles of foreign matter
Conductivity (25 °C, 1% solution in water)
EP 2.2.38
max. 200 µS/cm
Residue on ignition
USP
max 0.5%
Average Degree of Substitution (n)
NMR (EP 2.2.33)
Molar substitution: 0.4 - 1.5
Light adsorbing impurities
UV-VIS (EP 2.2.25)
A230-350 nm < 0.10
A350-720 nm < 0.05
Heavy metals
USP <231>
Cadmium NMT 0.5 µg/g
Lead NMT 0.5 µg/g
Arsenic NMT 1.5 µg/g
Mercury NMT 3.0 µg/
Related substances:
residual BCD
HPLC
max. 0.1%
Loss on drying
halogen dryer
max. 5.0%
Purity
calculated
> 95%
Storage:
at room temperature, in tightly closed container.
MSDS Downloads
MSDS_CY_2004_1_RAMEB_v2.5
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