WHO Custodian Centre for Antibiotics
The EDQM currently prepares, stores and distributes WHO ISA Reference Standards.
Please consult the International Reference Standards database to:
- Find information on availability of standards
- Download the leaflet and safety data sheet
Click on the 'Category Number' to obtain more detailed information.
Catalogue available to Download
The catalogue lists all the reference standards officially valid for the uses prescribed in the European Pharmacopoeia monographs. It gives a list of newly adopted standards, a Batch Validity Statement (BVS) for reference standards, 2687 Safety Data Sheets, and 1386 leaflets are available to download. It is updated daily in English only.
Reference Standards Catalogue (pdf)
(pdf Bilingual version English and French).
Place an order
If you wish to place an order, you can send your request to us:
- web store. The form can also be used to confirm a proforma invoice or a quotation you have already received from the EDQM.
- by email to firstname.lastname@example.org – Please ensure that your order is on your company letter headed paper stating both the catalogue code and substance name and attached to your email.
Please select only one of the above options for sending your order and do not submit it multiple times via email, fax or online.
For more detailed instructions about ordering, please read How to order reference standards
If you exceptionally need a quotation, you can send your request by email (see Place your order above) or complete this form.