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PHR2705

Kaempferol

Name: Kaempferol
Brand: SIAL

Pharmaceutical Secondary Standard; Certified Reference Material, certified reference material, pharmaceutical secondary standard, pkg of 30 mg

Synonym(s):

3,4′,5,7-Tetrahydroxyflavone, 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one, Robigenin

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About This Item

Empirical Formula (Hill Notation):

C₁₅H₁₀O₆

CAS Number:

520-18-3

Molecular Weight:

286.24

NACRES:

NA.24

UNSPSC Code:

41116107

Beilstein/REAXYS Number:

304401

MDL number:

MFCD00016938

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Properties

Quality Level

300

grade

certified reference material, pharmaceutical secondary standard

agency

traceable to USP 1354900

API family

kaempferol

form

solid

CofA

current certificate can be downloaded

packaging

pkg of 30 mg

application(s)

pharmaceutical small molecule

storage temp.

2-8°C

SMILES string

Oc1ccc(cc1)C2=C(O)C(=O)c3c(O)cc(O)cc3O2

InChI

1S/C15H10O6/c16-8-3-1-7(2-4-8)15-14(20)13(19)12-10(18)5-9(17)6-11(12)21-15/h1-6,16-18,20H

InChI key

IYRMWMYZSQPJKC-UHFFFAOYSA-N

Description

General description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards.

This compound can be found as a component in plants of the genus: allium, cinnamomum, crataegus, echinacea, eucalyptus, ginkgo, glycyrrhiza, hypericum, lycium, pimpinella, primula, sambucus

Application

Chromogenic reagent for antimony in the low ppm range and for gallium and indium in the sub-ppm range.

Biochem/physiol Actions

Potent inhibitor of osteoclastic bone resorption. The effect is believed to be attributable to both the antioxidant and estrogenic activities of kaempferol.

Analysis Note

These secondary standards offer multi-traceability to the USP and EP primary standards, where they are available.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.

To see an example of a Certificate of Analysis for this material enter LRAC5726 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

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Warning

Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c