Infrared Spectrum Search & AI Interpretation – Free online

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New users receive free trial credits upon registration. After logging in, your search results are saved under Personal Data → Topics or Private Topics for easy review.

Make IR spectrum interpretation easier — a complement to existing commercial infrared spectra databases

• Regularly updating infrared spectra from published literature and user uploads, including the newest substances and materials.

• AI-based peak analysis with multiple matching methods provides more accurate and informative results.

• Get free trial by signing up or adding a spectrum. Flexible pay-per-use and subscription options.

• Expert analysis of complex infrared spectra, and other customized services.

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Qualitative Analysis Comparison with specified spectrum Comparison of similarity between two samples

Analysis mode:(know more)

Need AI conclusion

Publish the results as a topic for subsequent analysis

Click to view file types that can be read directly.Images can also be processed, but they must be clear and free of distortion, and processing will take longer.

Search the database for infrared spectra using one or more keywords and download CSV data

Sharing is optional. By sharing, you can gain additional database trial attempts for your account.Prefer uploading data files; clear, undistorted images are also acceptable.

By uploading, you confirm you have the legal right to share the data and agree to our Terms.