# CompTox Mobile

> Chemical structure and data lookup for EPA CompTox database. (iPhone/iPad app by Kirill Blinov.)

- Source: https://appshunter.io/ios/app/comptox-mobile/id1179517689 (this page in markdown: same URL + `.md`)
- Developer: [Kirill Blinov](https://appshunter.io/developer/630833420)
- Category: Productivity, Reference
- Price: Free
- Rating: 3.80/5 from 4 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 6.0 · 254 MB
- Languages: American English
- Released: 2017-01-16
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/comptox-mobile/id1179517689/reviews.md

## What is CompTox Mobile?

Find chemical structure instantly by exact mass (m/z), ¹³C NMR chemical shifts, structure name or CAS Registry Number in a database of about 720,000 EPA CompTox structures. 

The Chemistry Dashboard is part of a suite of dashboards developed by EPA to help evaluate the safety of chemicals. The Chemistry Dashboard provides access to a variety of information on over 720,000 chemicals. Within the Chemistry Dashboard, users can access chemical structures, experimental and predicted physicochemical and toxicity data, and additional links to relevant websites and applications. It maps curated physicochemical property data associated with chemical substances to their corresponding chemical structures. This data are compiled from sources including the EPA’s computational toxicology research databases, and public domain databases such as the National Center for Biotechnology Information’s PubChem database.

## Key features

- Chemical structure search
- Exact mass lookup
- ¹³C NMR chemical shift search
- CAS Registry Number search
- Physicochemical property data
- Toxicity data access

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/comptox-mobile/id1179517689/reviews.md

### 5/5 — 700000 chemicals in my hand

*2017-01-22*

This app provides access to the entire chemical structure set from the CompTox chemistry dashboard website. It is easy to navigate, fast to load and the linking goes right into the website page. The NMR predictions are very useful to have immediately available. Looking forward to additional data and updates!

## Frequently asked questions about CompTox Mobile

### What is CompTox Mobile?

CompTox Mobile allows you to instantly find chemical structures by exact mass (m/z), ¹³C NMR chemical shifts, structure name, or CAS Registry Number within a database of approximately 720,000 EPA CompTox structures.

### What kind of data does CompTox Mobile provide?

It provides access to chemical structures, experimental and predicted physicochemical data, and toxicity data. It also includes links to relevant external websites and applications.

### Where does the data in CompTox Mobile come from?

The data is compiled from sources including the EPA’s computational toxicology research databases and public domain databases like the National Center for Biotechnology Information’s PubChem database.

### Is CompTox Mobile available on Android?

CompTox Mobile is currently supported on iPhone, iPad, and iPod, as indicated by the supported devices list.

### How often is CompTox Mobile updated?

The application was last updated on January 16, 2017, with version 1.0. There have been no subsequent updates listed.

### What is the age rating for CompTox Mobile?

CompTox Mobile has an age rating of 4+, making it suitable for a wide range of users.

### Does CompTox Mobile have ads?

No, CompTox Mobile does not contain advertisements. The app is free to use without any ad interruptions.

### What is the user rating for CompTox Mobile?

CompTox Mobile has a user rating of 3.8 stars based on 4 ratings.

## Version history (last 1 release)

### 1.0 — 2017-01-16

This app has been updated by Apple to display the Apple Watch app icon.

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## More apps by Kirill Blinov

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- [Orange NMR](https://appshunter.io/ios/app/orange-nmr/id662859811)
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- [All NMR](https://appshunter.io/ios/app/all-nmr/id808434461)
- [m/z](https://appshunter.io/ios/app/mz/id1117272212)
- [Find Molecule](https://appshunter.io/ios/app/find-molecule/id1140792040)

All apps by Kirill Blinov: https://appshunter.io/developer/630833420

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*