beta-Cyclodextrin methyl ethers | CAS:128446-36-6

beta-Cyclodextrin methyl ethers

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Size /Price /Stock	10 mM * 1 mL in DMSO / $23.7 / In-stock
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beta-Cyclodextrin methyl ethers Description

Source:
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Storage:	Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months(2-8C). Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20C. Generally, these will be useable for up to two weeks. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please email to: service@chemfaces.com
After receiving:	The packaging of the product may have turned upside down during transportation, resulting in the natural compounds adhering to the neck or cap of the vial. take the vial out of its packaging and gently shake to let the compounds fall to the bottom of the vial. for liquid products, centrifuge at 200-500 RPM to gather the liquid at the bottom of the vial. try to avoid loss or contamination during handling.

Structure Identification:

Phytochem Anal. 2008 May-Jun;19(3):258-65.

High-performance liquid chromatography-electrospray mass spectrometry for the simultaneous determination of multiple active components in Sheng-Mai San, a prescription of traditional Chinese medicine.[Reference: WebLink]

An advanced and reliable HPLC-MS method was developed for the simultaneous quantification of eight active components (ginsenosides Rf, Rg2, Rg3, Rh1 and Rh2, gomisin A, methylophioponanone B and schizandrin) in Sheng-Mai San, a traditional Chinese medicine.
METHODS AND RESULTS:
The elution of multiple components was performed using a C18 column with stepwise gradient elution. The detection of individual analytes was monitored by electrospray MS scanning from 300 to 1000 m/z in the positive ion mode, with the limits of detection of these components ranging from 0.06 to 1 μg/mL at a signal-to-noise ratio of ≥5. The intra- and inter-day accuracies ranged from 95.1 to 104.4%, and the overall precision was less than 9.3%.
CONCLUSIONS:
The recoveries of the analytes were ≥96.6%. The method was validated and found suitable for the determination of active components present in Sheng-Mai San preparation.

Product Name	beta-Cyclodextrin methyl ethers
Price:	$30 / 20mg
CAS No.:	128446-36-6
Catalog No.:	CFN90860
Molecular Formula:	C₅₆H₉₈O₃₅
Molecular Weight:	1331.3 g/mol
Purity:	>=98%
Type of Compound:	Other
Physical Desc.:	Powder
Source:
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
Download:	COA MSDS
Similar structural:	Comparison (Web) (SDF)
Guestbook:

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	0.7511 mL	3.7557 mL	7.5115 mL	15.0229 mL	18.7786 mL
5 mM	0.1502 mL	0.7511 mL	1.5023 mL	3.0046 mL	3.7557 mL
10 mM	0.0751 mL	0.3756 mL	0.7511 mL	1.5023 mL	1.8779 mL
50 mM	0.015 mL	0.0751 mL	0.1502 mL	0.3005 mL	0.3756 mL
100 mM	0.0075 mL	0.0376 mL	0.0751 mL	0.1502 mL	0.1878 mL

CFN91716	D-Trehalose	99-20-7	342.30	C₁₂H₂₂O₁₁
CFN90425	Raffinose	17629-30-0	594.51	C₁₈H₃₂O₁₆(₅H₂O)
CFN98574	Nystose	13133-07-8	666.58	C₂₄H₄₂O₂₁
CFN90424	Stachyose	10094-58-3	666.57	C₂₄H₄₂O₂₁
CFN91170	Acarbose	56180-94-0	645.6	C₂₅H₄₃NO₁₈
CFN91550	Maltotriose	1109-28-0	504.4	C₁₈H₃₂O₁₆
CFN90871	Maltotetraose	34612-38-9	666.6	C₂₄H₄₂O₂₁
CFN91478	Maltopentaose	34620-76-3	828.7	C₃₀H₅₂O₂₆
CFN90872	Maltohexaose	34620-77-4	990.9	C₃₆H₆₂O₃₁
CFN91479	Maltoheptaose	34620-78-5	1153.0	C₄₂H₇₂O₃₆

Size /Price /Stock	10 mM * 100 uL in DMSO / Inquiry / In-stock 10 mM * 1 mL in DMSO / Inquiry / In-stock
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