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Pharma Grade Cyclodextrins
Standard Grade Cyclodextrins
Nonionic Cyclodextrins
Anionic Cyclodextrins
Cationic Cyclodextrins
Maltooligomers
Novel Single Isomer Cyclodextrins
Fluorescent Cyclodextrins
Fluorescent Polymers
Cyclodextrin Polymers
Complexes
HPLC Columns
Analytical standards
Alpha-cyclodextrin
(CODE: 37)
Abbreviation:
ACD
CAS Number:
10016-20-3
Product Number:
37
Cyclodextrin type:
Native, neutral
Quality:
pharma grade
for
0.00
EUR
Get a quote
Chemical and Physical Description
Molecular Formula
C
36
H
60
O
30
Formula Weight
972.9
Possible impurities
Other cyclodextrins, linear oligomers
Solubility
(in 100 cm
3
solvent, at 25 °C)
Water: > 10 g
Methanol: < 1.0 g
DMSO: > 10 g
Specification
Test
Method
Range
Appearance
Visual
white or almost white powder
Identification A: Specific optical rotation
EP 2.2.7
+147° to +152°
Identification B: HPLC
EP 2.2.29
conforms with reference
Identification C: Iodine test
yellow-brown precipitate
Appearance of 1% aqueous solution
Visual (EP 2.2.1)
clear solution
pH of 1% aqueous solution
EP 2.2.3
5.0 - 8.0
Related substances
residual BCD
residual GCD
sum of other impurities
HPLC (EP 2.2.29)
max. 0.25%
max. 0.25%
max. 0.50%
Reducing sugars
max 0.2%
Heavy metals
EP 2.4.8
max. 10 ppm
Light absorbing impurities (1%)
EP 2.2.25
A
230
-A
350
: max 0.10
A
350
-A
720
: max 0.05
Sulphated ash
EP 2.4.14
max. 0.1%
ACD content
HPLC (EP 2.2.29)
97.0 - 102.0%
Microbial contamination
EP 2.6.12, EP 2.6.13
TAMC: max. 10
3
CFU/g
TYMC: max. 10
2
CFU/g
Salmonella: absent/10 g
E. Coli: absent/1 g
Loss on drying
EP 2.2.32
max. 11.0%
Storage:
at room temperature, in tightly closed container.
MSDS Downloads
CY1001-ACD
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Beta-cyclodextrin
(CODE: 33)
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pharma grade
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Gamma-cyclodextrin
(CODE: 36)
Quality:
pharma grade
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Alpha-cyclodextrin
(CODE: 37)
Quality:
standard grade
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Alpha-cyclodextrin
(CODE: CY-1001)
Price:
€ 0.45 / g
Quality:
fine chemical grade
for
0.45
EUR
Add to basket
Details