For any VWR Chemical eg Potassium iodide 26850.296

1.Go to the Avantor Sciences Cetral website for Asia region https://www.avantorsciences.com/sg/en/ 

2.Choose  Certificates 

3.Enter part number  with VWRC as a prefix for chemicals

4.eg VWRC26850.296

5. Enter Lot No. ( see just below product code) - eg 24C044124 ( NB upper case for letters)

6. Click Certificate of Analysis

7. Print

Other suppliers will be entered as relevant on the long description of the product at the website. For COAs not yet available, please contact Customer services at sales@ecpltd.co.nz