Ginkgolide K 98% Purity Ginkgo Terpene Lactone Standard CAS 153355-70-5 Research Grade Reference Standard

• • • • • • Product Overview

            Ginkgolide K is a naturally occurring diterpene lactone found in Ginkgo biloba leaves. It is a minor terpene lactone component and serves as an important reference standard for quality control of Ginkgo products.

            With the molecular formula C₂₀H₂₂O₉ and a molecular weight of 406.38 g/mol, this compound appears as a white to off-white crystalline powder. It is soluble in methanol, ethanol, and DMSO. The product is supplied at ≥98% purity as determined by HPLC analysis.

            Synthetic Process

            Ginkgolide K is obtained through isolation from Ginkgo biloba leaves:

            1. Extraction: Ginkgo leaves are extracted with organic solvents.

            2. Chromatographic Separation: The extract is fractionated using column chromatography.

            3. Purification: Preparative HPLC yields the pure compound.

            4. Identity Confirmation: Structure is confirmed by NMR and mass spectrometry.

            Mechanism of Action & Applications

            This compound is primarily used as:

            • Reference Standard: For the quantification of terpene lactones in Ginkgo biloba extracts.

            • Quality Control: Used in the quality assessment of Ginkgo products.

            • Natural Product Chemistry: Serves as a reference for diterpene lactone identification.

            Quality Specifications

            • Purity: ≥98.0% determined by HPLC.

            • Identity: Confirmed by NMR and mass spectrometry.

            • Loss on Drying: ≤1.0%.

            • Each batch is accompanied by a comprehensive COA.

            • Stable for 24 months when stored at 2-8°C in sealed containers, protected from light.

            Packaging & Storage

            • Standard packaging: 2mg, 5mg, 10mg amber glass vials.

            • Store at 2-8°C, protected from light and moisture.

Jinan Topfull Chemical Co., Ltd. is an international company rooted in China, specializing in the export of chemical products.

Our company is committed to making every effort to provide ideal chemical products to potential customers worldwide, including but not limited to: organic/inorganic reagents, biological reagents, plant extracts, pharmaceutical intermediates, active pharmaceutical ingredients (APIs), reference standards, reference substances, peptides, and more. Meanwhile, we have established long-term and stable cooperative relationships with university laboratories and off-campus research institutions, enabling us to offer tailored product services based on customers' actual needs.

We currently support customized services for most product categories, with supply quantities ranging from milligram (mg), gram (g) to kilogram (kg) levels, as well as wholesale. Product purity covers the full spectrum from 90% to 99.9%, providing customers with one-stop convenient services.

To date, our products have been exported to developed countries such as the United States, Australia, Canada, Mexico, as well as EU member states including France, Germany, and many other countries and regions such as Nigeria, Ghana, Southeast Asia, and other parts of Asia. Our product quality and services have consistently received high praise.

Looking ahead, our company will continue to serve as a bridge connecting China and the world, delivering high-quality products and services to global customers.