Eurisotop |

SINCE 1991

Powering Scientific Discovery

35 years of expertise, innovation and trust from the scientific community.

Expertise Innovation 35 Years of Trust

Together, let's continue shaping the future of science.

BREATH TEST SUBSTRATE

Urea 13C

The reference substrate for the ¹³C-Urea Breath Test and non-invasive metabolic diagnostics

USP Grade UBT Grade Reagent Grade

Nearly 35 years of Urea-¹³C manufacturing expertise, with ≥ 99% ¹³C isotopic purity.

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HIGH-PURITY GAS

Deuterium Gas

Trusted by scientists and innovators worldwide for advanced research and industrial applications.

Fusion Research Semiconductors Analytical Chemistry

Discover why deuterium remains essential for next-generation technologies.

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NEW PRODUCT RANGE

Environmental Standards

Now available directly from Euriso-top across Europe.

PFAS Pesticides PCBs

Reference standards for environmental analysis, now easier than ever to access.

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CUSTOMER SUPPORT

Customer Complaint

Your feedback helps us continuously improve our products and services.

Quick Contact Quality Commitment Customer Care

Submit your complaint online and our team will investigate and respond as quickly as possible.

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ISO 9001 CERTIFIED

Quality you can trust

Did you know that we are ISO 9001 certified ?

Consistent quality Better service Continuous improvement

Superior quality, increased confidence and optimal service.

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SUSTAINABILITY PROGRAM

D₂O Recovery Program

Recover, recycle and reduce costs with CIL's heavy water recovery program.

Cost Savings Recycling Sustainability

Designed to help laboratories reduce waste while maximizing the value of their deuterium oxide.

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NEW WEBSITE FEATURE

Card Payment Available

Order faster and more conveniently with our new online card payment option.

Credit Card Payment Secure Checkout Faster Ordering

Our website keeps evolving to make ordering simpler, faster and more convenient.

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Exclusive Offers

Take advantage of our current promotions

-15%

End of Year Promotion

Protected Amino Acids, 15% Off

Fmoc, t-Boc and other protected amino acids, labelled with ¹³C, ¹⁵N or deuterium. Enjoy 15% off on web orders and quotes.

Promo code AMINO15

Valid until December 31, 2026

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Our Featured Products

Explore a selection of our most popular ranges

Deuterated Solvents

High-purity deuterated solvents for NMR, synthesis, and DNP applications

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Urea ¹³C

The reference standard for detecting Helicobacter pylori infection

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Labeled Amino Acids

Wide range of amino acids labeled with ¹³C / ¹⁵N for quantitative proteomics

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Deuterium gas (D₂)

A key gas for advanced research and emerging technologies

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Helium-3 (³He)

A key gas for advanced research

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Environmental Standards

Direct supplier of CIL Environmental Standards in Europe since April 1, 2026

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Distributors & Partners

Discover our international distribution network