Beta-cyclodextrin secondary standard

(CODE: -)

Price: € 115.76 / g

Abbreviation: BCD WS

CAS Number: 7585-39-9

Product Number: -

Cyclodextrin type: Native, neutral

Quality: analytical standard

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Volume	Volume Discount	Price
from 1 g	0%	€ 115.76 / g

Complies with EP and USP Pharmacopoeia requirements.

Chemical and Physical Description

Molecular Formula	C₄₂H₇₀O₃₅
Formula Weight	1135.0
Possible impurities	Other cyclodextrins, linear oligomers
Solubility (in 100 cm³ solvent, at 25 °C)	Water: < 2.0 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, USP<781S>	+160° to +164°
Identification B	HPLC, EP 2.2.29 USP<621>	conforms with reference
Identification C	Iodine test	yellow-brown precipitate
Identification D	IR, USP<197K>	conforms with reference
Appearance of 1% aqueous solution	Visual (EP 2.2.1)	clear and colorless solution
pH of 1% aqueous solution	EP 2.2.3, USP<791>	5.0 - 8.0
Reducing sugars	as in EP and USP monographs	max. 0.2%
Light absorbing impurities (1%)	UV-Vis, EP 2.2.25, USP<857>	A₂₃₀ - A₃₅₀: max. 0.10 A₃₅₀ - A₇₅₀: max. 0.05
Related substances residual ACD residual GCD sum of other impurities	HPLC, EP 2.2.29, USP <621>	max. 0.25% max. 0.25% max. 0.50%
Residual solvents	GC (EP 2.2.28)	max. 10 ppm trichloroethylene max. 10 ppm toluene
Heavy metals	EP 2.4.8	max. 10 ppm
Elemental impurities	USP<231>	Cadmium NMT 0.2 µg/g Lead NMT 0.5 µg/g Arsenic NMT 1.5 µg/g Mercury NMT 0.3 µg/g
Sulphated ash	EP 2.4.14, USP<281>	max. 0.1%
BCD content	HPLC, EP 2.2.29,USP <621>	98.0 - 102.0%
Water content	USP<921>	max. 14.0%
Loss on drying	EP 2.2.32	max. 16.0%