Quality Control

Yuhao Chemical attaches super importance to quality control and assurance. We take customer satisfactions as our company's principle. Besides, we are consistently upgrading every aspect of our quality system so as to achieve highest quality standards. Every product we deliver includes a Certificate of Analysis with complete detailed information including lot number, product information, specification and typical analysis data. 

We have the following procedures in our quality system to monitor the quality of products throughout the whole synthesis process: 

─  Raw Material Quality Inspection (RMQ)

─  In-Process Quality Inspection (IPQ)

─  Final Product Quality Inspection (FPQ)

─  Maintain retained samples of each lot for analysis

NMR and HPLC results will be attached with every delivery. Besides, the following examination can be performed as required:

─  MS Analysis

─  UV-Vis

─  IR

─  Elemental Analysis

─  Acid-Base Titration

─  Thin Layer Chromatography (TLC)

─  Specific Optical Rotation

─  Karl Fischer Titration

─  Stability Test

─  Melting Point Test