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Methyl-Beta-Cyclodextrin MEBCD CAS No 128446-36-6
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Methyl-Beta-Cyclodextrin MEBCD CAS No 128446-36-6

Methyl-beta-cyclodextrin is one of cyclodextrin derivatives that were widely used in modern researches and applications.
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  • MEBCD
  • 128446-36-6

Name: Methyl-beta-cyclodextrin

Other name : Methyl-β-cyclodextrin

CAS: 128446-36-6

Abbreviation: MEBCD

Molecular formula : C42H70-nO35·(CH3)n

Molecular weight: 1135 + n•(14.0)

Standard : Enterprise Standard

Package: 500g/bag,1kg/bag, 10kg/drum

Use : Medical  Chemical  other industries


Test Standard

Enterprise Standard

ITEMS

CRITERIA

Appearance

White or almost white powder, odorless, slightly sweet. Freely soluble in water, soluble in methanol and ethanol.

Assay

≥98%

Specific rotation

+154°~+165°

Water solution pH

pH5.0~7.5

Clarity of Solution

2.5g/25ml water solution is clear.

Light-absorbing impurities

Between 230 and 350 nm, the absorbance is NMT 1.0, and between 350 and 750 nm, the absorbance is NMT 0.1.

Average Degree of Substitution

7.0~13.3

Loss on Drying

≤7.0%

Beta Cyclodextrin

≤0.2%

Residue on ignition

≤0.5%

Heavy Metal

≤10ppm

Sulfate

≤0.2%

Chloride

≤0.2%

The total aerobic microbial count

≤1000cfu/g

The total combined moulds and yeasts count

≤100cfu/g

Escherichia coli

Absence

Packaging and storage

Preserve in well-closed containers.

Characteristics and applications:

Methyl-beta-cyclodextrin is one of cyclodextrin derivatives that were widely used in modern researches and applications.

Methyl-beta-cyclodextrin  can be soluble both in water and in organic solvents. In pharmaceuticals industry, it can increase solubility and bioavailability of drugs, so that the efficacy of drugs can last longer with less ingestion. It can adjust and control the drug release rate, reduce drug side-effects, and enhance the stability of drugs particularly for oil-soluble molecules.

In commodity chemicals and cosmetics,  can reduce microbial contamination and skin irritations, keep skin moist, mask bad odors, promote transdermal absorption of activeingredients.

Methyl-beta-cyclodextrin has a larger surface tension in common cyclodextrin derivatives.

甲基倍他环糊精 分子结构

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