Ebracteolata cpd B

Ebracteolata cpd B
Product Name Ebracteolata cpd B
CAS No.: 83459-37-4
Catalog No.: CFN92882
Molecular Formula: C10H12O4
Molecular Weight: 196.2 g/mol
Purity: >=98%
Type of Compound: Phenols
Physical Desc.: Powder
Source: The roots of Euphorbia pekinensis Rupr.
Solvent: Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Price: $268/10mg
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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

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.
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    Zhongguo Zhong Yao Za Zhi. 2013 May;38(10):1526-30.
    Study on HPLC chromatograms of different processed Euphorbia ebracteolata products and content change of three chemical components.[Pubmed: 23947130]

    METHODS AND RESULTS:
    To prepare processed products with different methods, in order to study the impact of auxiliary materials and temperature on chemical components of Euphorbia ebracteolata, and establish specific chromatograms of different processed products. Wel-chorm-C18 column (4.6 mm x 250 mm, 5 microm) was used and eluted with a gradient program, with acetonitrile (A)-water(B). The column temperature was 25 degrees C, and the detection wave length was set at 226 nm. The aim was to determine the content of effective components in different processed products--Ebracteolata cpd B, ebracteolata cpd C and jolkinolide B and establish respective characteristic fingerprints to compare with similarity. The results showed that the content of Ebracteolata cpd B, ebracteolata cpd C first increased and then decreased with the rise in temperature. Different processed products showed significant difference in HPLC spectrograms, with a low similarity.
    CONCLUSIONS:
    This study showed great impacts of auxiliary materials and temperature on chemical components of E. ebracteolata. As the vinegar processing method had higher attenuation and and synergistic effects than other methods, the auxiliary material vinegar cannot be replaced by chemical reagent acetic acid.
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