Qianhucoumarin E | CAS:156041-02-0 | Manufacturer ChemFaces

Qianhucoumarin E

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Size /Price /Stock	10 mM * 1 mL in DMSO / Inquiry
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Qianhucoumarin E Description

Source:	The herbs of Peucedanum harry-smithii var. subglabrum
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, 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:

Zhongguo Zhong Yao Za Zhi. 2009 May;34(9):1121-3.

Simultaneous determination of three coumarin constituents in roots of Peucedanum praeruptorum by RP-HPLC.[Pubmed: 19685749]

To develop a reserved-phase HPLC method for the determination of praeruptorin A, praeruptorin B, Qianhucoumarin E in roots of Peucedanum praeruptorum.
METHODS AND RESULTS:
Agilent TC-C18 column (4.6 mm x 250 mm, 5 microm) was used at 30 degrees C with the mobile phase of methanol-water (75:25). The flow rate was set at 0.8 mL x min(-1). The detection wavelength was 321 nm. The linear response ranged from 3.20-28.80 microg for +/- praeruptorin A (r = 0.9999, n = 5), 1.60-14.40 g for praeruptorin B (r = 0.9995, n = 5) and 1.64-14.76 g for Qianhucoumarin E (r = 0.9994, n = 5), respectively. Recoveries were 98.92% with RSD 1.6% for praeruptorin A, 99.66% with RSD 1.5% for praeruptorin B and 99.72% with RSD 1.4% for Qianhucoumarin E.
CONCLUSIONS:
The method is quick, simple and repeatable for determination of three coumarin constituents in root of P. praeruptorum.

Product Name	Qianhucoumarin E
Price:
CAS No.:	156041-02-0
Catalog No.:	CFN92597
Molecular Formula:	C₁₉H₁₈O₆
Molecular Weight:	342.4 g/mol
Purity:	>=98%
Type of Compound:	Coumarins
Physical Desc.:	Cryst.
Source:	The herbs of Peucedanum harry-smithii var. subglabrum
Solvent:	Chloroform, Dichloromethane, Ethyl Acetate, DMSO, Acetone, etc.
Download:	COA MSDS SDF
Similar structural:	Comparison (Web) (SDF)
Guestbook:

Size /Price /Stock	10 mM * 100 uL in DMSO / Inquiry / In-stock 10 mM * 1 mL in DMSO / Inquiry / In-stock
Related Libraries	Coumarins Compound Library

	1 mg	5 mg	10 mg	20 mg	25 mg
1 mM	2.9206 mL	14.6028 mL	29.2056 mL	58.4112 mL	73.014 mL
5 mM	0.5841 mL	2.9206 mL	5.8411 mL	11.6822 mL	14.6028 mL
10 mM	0.2921 mL	1.4603 mL	2.9206 mL	5.8411 mL	7.3014 mL
50 mM	0.0584 mL	0.2921 mL	0.5841 mL	1.1682 mL	1.4603 mL
100 mM	0.0292 mL	0.146 mL	0.2921 mL	0.5841 mL	0.7301 mL

CFN90570	Selinidin	19427-82-8	328.4	C₁₉H₂₀O₅
CFN92597	Qianhucoumarin E	156041-02-0	342.4	C₁₉H₁₈O₆
CFN92709	Qianhucoumarin A	150135-35-6	344.4	C₁₉H₂₀O₆
CFN96394	Khellactone	24144-61-4	262.3	C₁₄H₁₄O₅
CFN89413	cis-Methylkhellactone	20107-13-5	276.28	C₁₅H₁₆O₅
CFN96695	Praeroside II	86940-46-7	424.40	C₂₀H₂₄O₁₀
CFN96375	Samidin	477-33-8	386.4	C₂₁H₂₂O₇
CFN89402	Hyuganin D	77331-76-1	374.38	C₂₀H₂₂O₇
CFN89386	(-)-Praeruptorin A	14017-71-1	386.39	C₂₁H₂₂O₇
CFN98143	Praeruptorin C	72463-77-5	428.48	C₂₄H₂₈O₇