Chelidimerine
Reference standards.
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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. 2009 Jul;34(13):1683-6.
Alkaloids from Macleaya cordata.[Pubmed:
19873781]
To study the alkaloids of Macleaya cordata.
METHODS AND RESULTS:
The alkaloids were isolated and purified by various column chromatography as well as recrystallization. Their structures were identified by physico-chemical properties and spectral analysis.
Thirteen alkaloids were isolated and identified as 6-methoxy-dihydrosanguinarine (1), norsanguinarine (2), 6-acetonyl-dihyrochelerythrine (3), 6-acetonyl-dihyrosanguinnarine (4), sanguidimerine (5), Chelidimerine (6), (+/-) -bocconarborine A (7), (+/-)-bocconarborine B (8), cryptopine (9), dihydrosanguinarine (10), dihydrochelerythrine (11), protopine (12), alpha-allocryptopine (13).
CONCLUSIONS:
Compounds 2, 3, 5 - 9 were firstly isolated from the genus Macleaya and compound 1 was obtained from M. cordata for the first time.
