Methyl Beta Cyclodextrin 128446-36-6 Zhiyuan
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Methyl Beta Cyclodextrin 128446-36-6 Zhiyuan
사양
- IUPAC Name: (1S,3R,5R,6R,8R,10R,11R,13R,15R,16R,18R,20R,21R,23R,25R,26R,28R,30R,31S,33R,35R,36R,37S,38R,39S,40R,41S,42R,43S,44R,45S,46R,47S,48R,49S)-5,10,15,20,25,30,35-heptakis(hydroxymethyl)-37,39,40,41,42,43,44,45,46,47,48,49-dodecamethoxy-2,4,7,9,12,14,17,19,22,2
- CAS Number: 128446-36-6
- Chemical Formula: C54H94O35
- Molecular Weight: 1303.3
- Appearance: White powder;Odorless, slightly sweet;Very soluble in water and methanol,easily soluble in ethanol and ethylene glycol,almost insoluble in cyclohexane and ethyl acetate.
- 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 nm and 350 nm,the absorbance is not greater than 1.0; and between 350 nm and 750 nm, the absorbance is not greater than 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
- Chloride: ≤0.2%
- The total aerobic microbial count: ≤1000cfu/g
- The total combined moulds and yeasts count: ≤100cfu/g
- Escherichia coli: Absence
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