1
name-reaction
name-reaction.comAlso covers chemistry · same kind of website
Name-Reaction.com provides information about organic chemistry name reactions and their mechanisms.
Alternatives
The Best PubChem Alternatives in 2026
16 alternatives1 free · 0 open source
Looking for something like PubChem? Here are 16 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan.
PubChem lets users search chemical information by name, molecular formula, structure and other identifiers.
Top picks at a glance
First suggestionname-reactionName-Reaction.com provides information about organic…Free or freemium optionChemQuizChemQuiz helps high school and introductory college…Another optionChemTube3DChemTube3D teaches chemistry through interactive 3D…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | name-reaction | — | Not stated | Web |
| 2 | ChemTube3D | — | Not stated | Web |
| 3 | ChemSpider | — | Not stated | Web |
| 4 | NIST | — | Not stated | Web |
| 5 | Arkivoc | — | Not stated | Web |
| 6 | ChemistrySteps | — | Not stated | Web |
| 7 | Organic Chemistry | — | Not stated | Web |
| 8 | Wolfram Alpha Chemistry | — | Not stated | Web |
| 9 | Organic Chemistry Data | — | Not stated | Web |
| 10 | CommonOrganicChemistry | — | Not stated | Web |
All PubChem alternatives
2
ChemTube3D
chemtube3d.comAlso covers chemistry · same kind of website
ChemTube3D teaches chemistry through interactive 3D animations of molecular structures and reactions.
3
ChemSpider
chemspider.comAlso covers chemistry · same kind of website
Search chemical structures and text records in ChemSpider, a database of more than 130 million compounds.
4
NIST
webbook.nist.gov/chemistryAlso covers chemistry · same kind of website
The NIST Chemistry WebBook provides online property data for chemical species.
5
Arkivoc
arkat-usa.orgAlso covers chemistry · same kind of website
ARKIVOC provides chemistry journal content, with browsing and search for articles and conference material.
6
ChemistrySteps
chemistrysteps.comAlso covers chemistry · same kind of website
Chemistry Steps provides organic chemistry study materials, practice problems, summary sheets and multiple-choice quizzes.
7
Organic Chemistry
organic-chemistry.orgAlso covers chemistry · same kind of website
The Organic Chemistry Portal summarizes recent literature and resources about organic chemistry reactions.
8
Wolfram Alpha Chemistry
wolframalpha.com/examples/science-and-technolo…Also covers chemistry · same kind of website
Chemistry examples from Wolfram Alpha cover data and computations for compounds, reactions, thermodynamics, quantum chemistry, and more.
9
Organic Chemistry Data
organicchemistrydata.orgAlso covers chemistry · same kind of website
Organic Chemistry Data collects chemistry information, reference data, and resources and currently displays a site upgrade notice.
10
CommonOrganicChemistry
commonorganicchemistry.comAlso covers chemistry · same kind of website
CommonOrganicChemistry provides mechanisms, procedures and details for commonly encountered organic chemistry reactions.
11
LibreTexts Chemistry
chem.libretexts.orgAlso covers chemistry · same kind of website
The LibreTexts Chemistry library presents online instructional material organized into topics and sections.
12
PeriodicVideos
periodicvideos.comAlso covers chemistry · same kind of website
PeriodicVideos shares short videos about each element in the periodic table and links to related science video channels.
13
chemguide
chemguide.co.ukAlso covers chemistry · same kind of website
Chemguide explains chemistry concepts for students in upper-level courses.
14
Also covers chemistry · same kind of website · free
ChemQuiz helps high school and introductory college students practice chemistry skills.
15
Science Geek
sciencegeek.netAlso covers chemistry · same kind of website
ScienceGeek.net supports high-school science study in chemistry, AP Chemistry and biology.
16
Zperiod
zperiod.appAlso covers chemistry
Zperiod is an educational web application with an interactive periodic table covering 118 elements, 3D atom models, ions, chemistry tools, and worksheet practice.
No alternatives match this filter.
Alternatives to similar tools
name-reaction16 alternativesChemistrySteps16 alternativesOrganic Chemistry16 alternativesLibreTexts Chemistry23 alternativesChemTube3D21 alternativesWolfram Alpha Chemistry17 alternatives
What is the best alternative to PubChem?
Based on features, tags and platforms, the closest alternatives to PubChem are name-reaction, ChemTube3D, and ChemSpider.
Is there a free alternative to PubChem?
Yes. ChemQuiz is free or offer a free plan.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative