Angelica lactone A reference substance

Angelica lactone
Reference substance
[Name] Angelica lactone
[Molecular weight]
[
No.]
[Detection method] High performance liquid phase Chromatography
%
[Specifications]

Can be packaged according to customer requirements
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[Properties]
This product is colorless needle crystals
【Function and use】This product is used for content determination.
[Extraction source]
This product is the root of the Apiaceae plant Ligusticum chuanxiong

[Storage method]
Store in a sealed, dark place and at low temperature.
[Notes] This product should be stored at low temperature. If left in the air for a long time, the content will be reduced.
【Quality Commitment】 Our company will be responsible for returns and exchanges for product quality problems that are not caused by human factors.
Angelica lactone
Angelicae lactone is often tested and content determined according to the pharmacopoeia regulations, and a reference substance is required for comparison. During the inspection process, the drug and the reference substance should be measured under the same conditions. , the method of preparing and measuring the reference substance should be consistent with the conditions used for each determination of the sample.
When unsealing a new reference substance, the user should fill in the reference substance unsealing label (see appendix), indicate the date of unsealing, and affix it to the bottle of reference substance.
When removing the reference substance stored in the refrigerator, wait until the temperature is the same as room temperature before opening the dryer cover to prevent moisture in the air from entering the reference substance.
The sample spoon used for taking the reference substance should be clean to avoid any foreign matter and cross-contamination. The sample spoon should be cleaned immediately after use.
After use, the original packaging of the reference substance should be sorted out immediately and returned to the original place in time to avoid confusion.