Our large range of pharmaceutical reference standards include active ingredients, their metabolites and impurities together with stable isotope analogues. These reference standards are synthesised, rigorously tested and certified, ready for use.  New compounds are regularly added to the range as synthesis projects progress to meet demand from pharmaceutical, government, clinical and other regulatory and diagnostic laboratories.  If you can't find the compound you require please contact us.

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Qmx Laboratories will be hosting two free one-day seminars for scientists with an interest in spectroscopic analysis, focusing on clean chemistry. 

Presented in conjunction with our colleagues at Savillex, the seminars will introduce new and innovative techniques and products designed to enhance ICP-OES / ICP-MS analysis, eliminate contamination and improve productivity.  A buffet lunch will be provided for all delegates, free of charge.

Registration is free but places are extremely limited and allocated on a strictly first come first served basis, so be sure to register at one of the following venues as soon as possible:

Tuesday 10th September - Durham University 
Thursday 12th September - University of Oxford

CLICK here to reserve your place.

We are pleased to announce that A2S Standards has now been accredited to the the ISO 17034 quality management system for the production of certified reference materials.

To mark this achievement, many A2S individual certified solutions are now available with a price reduction of over 20%* for a limited time period. 

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We also have the expertise to prepare custom reference standards and mixes to your requirements saving you time, money and improving traceability.
As a leading supplier of certified reference materials, we offer standards for all of your chemical analysis, research, product quality testing and calibration needs.

^{*Price reduction for a limited time period, some product exclusions, terms & conditions apply.}

Stable isotope labelled vitamins are used extensively by research and diagnostic laboratories, and are now key compounds as laboratory testing transistions from traditional to advanced techniques such as LC-MS/MS. Vitamin D and related metabolites are of key interest for a variety of diseases ranging from bone health, intestinal absorption, immune diseases and cancer. Vitamin D can be obtained either through dermal synthesis from sunlight or diet. In the liver it is hydroxylated at the 25 position. Then hydroxylation in the kidney at the 1 position produces 1,25-Dihydroxyvitamin D, the most biologically active form.

All products are provided with a Certificate of Analysis confirming isotopic enrichment and chemical purity to meet the highest of standards.

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Our synthetic chemists have established an excellent reputation for the production of high quality, stable isotope labelled Vitamins so if you are unable to locate what you need, please call or email us with your requirements or contact us, we will be delighted to help.

We have a huge range of vials, caps, septa and inserts available to meet all your needs whatever the application: Chromatography, Spectroscopy, Sampling or Storage!

Our comprehensive range includes different volumes of vials in glass or polypropylene, clear or amber with crimp or screwthread finish, with crimp seals, screwthread hole-caps and solid caps, in various colours, complete with a wide range of septa or liners made form rubber, silicone, Viton, PTFE, pre-cut or solid. For low volume sampling we offer many different inserts in glass or polypropylene.

We have many product variations and combinations so if you can’t find what you require simply contact us and we will be pleased to help. We can also make custom products whether a vial or a special septa to suit your needs.

We are able to provide samples for most products so please don’t hesitate to ask!