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News

Stock List of Newly Added Impurities – Updated in 20230721

Stock list of newly added impurities of this week (updated in 20230721). Feel free to contact us and we are confident that we‘ll try our best to

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July 21, 2023 No Comments
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Blogs

What are Residual Solvents and Elemental Impurities?

Residual solvents and elemental impurities are types of impurities that can be present in pharmaceutical products. Here’s a brief explanation of each: What are Residual

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July 18, 2023 No Comments
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Blogs

USP Analytical Standards: Safeguarding Drug Safety and Efficacy

The United States Pharmacopeia (USP) is a non-governmental, non-profit organization that sets quality standards for the identity, strength, quality, and purity of medicines, food ingredients,

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July 18, 2023 No Comments

About Us

Toref is a global manufacturer and supplier of high-quality Impurity Standards for the Pharmaceutical industry. We are specialized in providing Pharmaceutical Impurity Standards. We currently offers an extensive catalogue in excess of 10,000 products with an extensive inventory for immediate shipment.

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