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High-Purity Impurity Reference Standards for Pharma Registration

We provide impurity reference standards, custom synthesis, and complete analytical solutions for the pharmaceutical registration process. ISO-certified laboratories, complete documentation, globally trusted.

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500+ Reference Standards
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About LANNING Biotechnology

Guangzhou Lanning Biotechnology Co., Ltd. is a technology-driven enterprise focused on developing impurity reference standards for pharmaceutical registration. We provide custom synthesis, preparative separation, and comprehensive impurity research solutions.

With our own R&D laboratory and quality inspection department, we ensure controllable quality and complete analytical documentation including COA, H-NMR, C-NMR, MS, HPLC, UV, and IR spectra.

โœ“ In-house R&D Lab
โœ“ Complete COA & Spectra
โœ“ Custom Synthesis
โœ“ Global Shipping
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Product Categories

High-purity impurity reference standards across 7 major categories

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Our most requested impurity reference standards

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News & Updates

Latest news from LANNING Biotechnology

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November 2023

Nitrosamine Impurities โ€” New Products Launched

Our R&D lab has successfully developed a new series of nitrosamine impurity reference standards...

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May 2023

We Are Hiring โ€” Organic Synthesis Researchers

Join our R&D team! Multiple positions available for organic synthesis assistant researchers...

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April 2023

New Official Website Launched

We are proud to announce the launch of ourๅ…จๆ–ฐ็š„ English website, providing better service...

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