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    2,055,424 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,392 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Chemical Science

    Mod

    An addon with new chemistry machines, recipes, and decorations.

    A91/ 100
    • OverviewA
    • SecurityPassed
    • PrivacyNone found
    • AINone found
    • CompatibilityUp to 1.21.1
    • ModpacksIn 59
    • ReleasesLatest 13 Oct

    Download

    chemicalscience-1.21.1-3.1.3.jar

    Released 13 Oct 2026 · 3.3 MB

    Passed: our checks found nothing harmful in this file.

    Download

    Required to run

    • ElectrodynamicsAMinecraft 1.21.1 · NeoForge (release 1.1.0)
    • VoltaicAMinecraft 1.21.1 · NeoForge (release 1.2.0)
    OverviewSecurityPrivacyAICompatibilityModpacksReleases

    Why grade A

    How grades work

    Strengths

    • Security checks passed
    • Regular releases for Minecraft 1.21.1, a version many recently updated mods still support
    • Around for years

    Points lost

    • No public issue tracker−3 points
    • Some modpacks removed it−2 points
    • Under 5 million downloads−1 point
    All 11 criteria

    • Maintenance

      Full points27 / 27
      Last releaseHow long ago the newest file came out, or an existing file was marked as working on a new Minecraft version.11 days ago (13 Oct 2026) 12 / 12
      Supports popular versionsWhether the project has a file for a Minecraft version that 15% or more of the popular mods updated in the last 6 months also support. A version many modpacks use, like 1.20.1 or 1.21.1, also counts after a release in the last 12 months.1.21.1 on NeoForge, 1.20.1 on Forge. 65% of the 995 popular NeoForge mods updated in the last 6 months also have files for 1.21.1. Latest Minecraft: 26.3. 9 / 9
      Regular releasesIn how many of the last 24 months a new file came out. Full points at 8 months.Releases in 9 of the last 24 months 6 / 6

    • Stability

      2 points lost20 / 22
      Removed from modpacksHow many modpacks removed it in a later version of the pack. We can only see this in modpacks with two or more versions. A pack that swaps it for another edition of the same project, or that is rebuilt from scratch, does not count.8 of the 50 modpacks with two or more versions removed it in a later one (16%) See the 8 modpacks8 / 10
      Quick fixesHow often a release needed a quick fix: a new release within 3 days to fix a problem in it.1 of its 16 releases in 2 years needed a quick fix (6%) 7 / 7
      Known conflictsHow many projects say they do not work with it, compared with how widely it is used. Packs, small projects, forks, ports, add-ons, alternatives and old versions do not count.None 5 / 5

    • Transparency

      3 points lost7 / 10
      Source codeWhether the project page links to its source code, so anyone can read what it does.GitHub · roipasteque/ChemicalScience 7 / 7
      Place to report problemsWhether the project page links to a place where players can report problems: an issue tracker.No link to report problems 0 / 3

    • Popularity

      1 point lost3 / 4
      DownloadsDownloads on Modrinth and CurseForge. Full points from 5 million.63,429 3 / 4

    • Track record

      Full points8 / 8
      AgeHow long the project has existed. It counts less when no new file came out recently.2.3 years, 22 releases 8 / 8

    • Security

      Passed
      File checksThis check adds no points. It can only take points away.Our checks found nothing harmful in all 4 latest files for recent Minecraft versions. See Security
    Total91 / 100

    64.9 of the 71 points that apply = 91 out of 100. The points above are rounded to whole numbers.

    Images

    • Chemical Science
    • Flamethrower
    • Periodic Table
    • Fission reactor with Nuclear Science
    • Compatibility with Stellaris
    • Bunker
    • Version 2.0

    About

    Chemical Science is an Electrodynamics addon focused on expanding chemistry, especially organic chemistry, with additional ores, recipes, machines, equipment, and laboratory decorations. Its machinery includes oil-processing equipment such as a 13-block-tall fractionating column, a Redox Furnace that can quadruple ore yield, and a circuit maker for producing circuits while conserving insulation. A Spin Coater produces polymer films used to craft organic solar panels and organic circuits; the panels generate more energy than advanced solar panels, take up less space, and can become nearly invisible. Other equipment includes tungsten tools and a flamethrower, while storage options include organizing racks, laboratory storage with customizable hazard symbols, and a compact-access laboratory bench. The Chemist’s Roadmap helps players get started with a clear progression path, detailed explanations, visuals, and multiblock animations. The addon also supports Create, Stellaris, Immersive Engineering, Nuclear Science, Ballistix, and Simple Planes, with features including doubled or tripled ore processing, Chemical Science ores on Stellaris planets, improved Electrodynamics recipe handling through Create, and dropping Ballistix explosives from Simple Planes aircraft.

    Written from Modrinth , CurseForge and the GitHub README . How we write it

    In-game changes

    Does not change the game's code directly.

    Adds 303 blocks, 265 items, 903 recipes, 19 advancements, 2 sounds and 1 key binding.

    Counted from the names and data files in the mod, so the list may not be complete.

    Keeps all of vanilla Minecraft's textures, models and sounds.

    Often used with it

    See all 30
    ElectrodynamicsANuclear ScienceABallistixAMekanism GeneratorsBsparkA

    Details

    Creator
    Roi_Pasteque
    License
    All rights reserved
    Downloads
    63K
    Created
    12 Jul 2024
    Official pages
    Modrinth , CurseForge
    Links
    Source code

    Security

    No harmful code found

    We checked its files and read their code, without running it.

    Why we show this: a mod runs on your computer like any program, so harmful code in it can take your accounts or files. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: malware means no grade, and a Warning in a latest file for a recent Minecraft version lowers it.

    How we checked · All 4 latest files checked, last on 16 Oct 2026
    • FilesWe download the files from Modrinth or CurseForge and look at what is inside them and what their code can do, without running them. Fixed rules tell what is harmful.
      4 latest files: the newest file for each Minecraft version and loader. All 4 are for recent versions. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks. See each file in Releases
    • Their codeWe turn the code of the files back into readable code and follow what it does, without running it. This shows what it downloads, what it sends and where your login goes.
      Read without running it
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares that the project reads or edits things on your system outside the game. Since 13 Aug 2026, Modrinth's rules require it when this applies.
      Nothing declared about your system outside the game.
    • Looked for, not foundWe looked for these in the file and did not find them.
      The internet, folders outside the game, other programs, updating itself, the webcam or microphone, an AI service.

    Privacy

    We found nothing it sends

    We read its code without running it: it contacts no web address while you play.

    Why we show this: a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · All 4 files read
    • Files readWe read the code without running it. We list each web address the code contacts while you play, and what it sends. Code that is never used is left out.
      The code of all 4 files, for recent Minecraft versions. See each file in Releases
    • Author on ModrinthThe disclosure form on Modrinth, where the author declares crash reports, usage data and advertisements. Since 13 Aug 2026, Modrinth's rules require it when a project collects data on its users or shows advertisements.
      Nothing declared about crash reports, usage data or advertisements.

    AI

    No sign so far that AI was used to make it

    We looked for AI tools in its texts, files, images and sounds and found none.

    We have not read its code history yet.

    No sign of AI in the game

    We found no AI service, AI library or AI model file in its code.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 6 places read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      No AI content or AI features declared.
    • Code historyThe public code on GitHub: who made each change, credit lines such as "Co-authored-by", and its files.
      Not read yet
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found
      2 of 40 changelogs read
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Nothing found
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Nothing found
      706 images read
    • Sounds in its filesThe tags of the sound files in the files you download, where some AI music tools write their name.
      Nothing found
      2 sounds read
    • Code of the modThe code and files of the mod, read without running it: addresses of AI services, AI libraries, AI model files and a place for your own AI key.
      No AI service, AI library or AI model file
      277 code files read

    Compatibility

    See all 22 files
    NeoForge
    Forge
    1.201.2126.126.3

    Point at or tap a version to see its loaders.

    Runs onWhere to install it: in your game, on the server, or both. As the author says on Modrinth.Needed in your game and on the server, or you cannot join.
    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.
    ElectrodynamicsAVoltaicA
    OptionalProjects it can work with but does not need. The author lists them.
    Nuclear Sciencein some filesA
    IncludesProjects packed inside its files.Nothing
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.It has no file for Minecraft versions newer than 1.21.1. Many recently updated mods still support 1.21.1.

    Modpacks using this project

    Find modpacks with it
    Modpacks that released a new version with this project, each month
    20100
    Oct 2024: 0 modpacksNov 2024: 0 modpacksDec 2024: 0 modpacksJan 2025: 0 modpacksFeb 2025: 1 modpackMar 2025: 1 modpackApr 2025: 2 modpacksMay 2025: 4 modpacksJun 2025: 4 modpacksJul 2025: 2 modpacksAug 2025: 7 modpacksSep 2025: 6 modpacksOct 2025: 7 modpacksNov 2025: 3 modpacksDec 2025: 7 modpacksJan 2026: 8 modpacksFeb 2026: 3 modpacksMar 2026: 5 modpacksApr 2026: 9 modpacksMay 2026: 9 modpacksJun 2026: 9 modpacksJul 2026: 8 modpacksAug 2026: 12 modpacksSep 2026: 6 modpacks
    Oct 2024Oct 2025Sep 2026
    Modpacks that released a new version with this project, each month
    Oct 20240
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    Jan 20268
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    Aug 202612
    Sep 20266

    More modpacks put it in their new versions than a year ago: 9 a month now, 4 a year agoThe average of the last 6 months, compared with the same 6 months a year before. We say it only when the change is large..

    59 modpacks include Chemical Science in at least one of their versions. Here are the 30 most downloaded.

    ModpackDownloadsLast version with it
    Mystic's Monstrosity84K downloadslast version with it 3 Dec 2025Ampz (Voltz for 1.21) (Official Server)29K downloadslast version with it 14 Oct 2026Ascension of Ages24K downloadslast version with it 3 Sep 2026WildLouna3.5K downloadslast version with it 25 Apr 2026Voltz (Volts) Reimagined - Official Server2.9K downloadslast version with it 31 Jan 2026Volts Next Generation & Official Server 2.8K downloadslast version with it 29 Dec 2025Unique Block 1 - UB 12.7K downloadslast version with it 19 Jun 2025LuxeCraft SMP2.7K downloadslast version with it 23 Oct 2025The CUBE2.6K downloadslast version with it 30 Apr 2026Ampz2.4K downloadslast version with it 14 Oct 2026
    1 to 10 of 30123

    Often in the same modpacks

    Mods that modpacks often add together with Chemical Science. Share: how many of the modpacks with Chemical Science also have that mod.

    ProjectTypeShareGrade
    ElectrodynamicsAModin 98% of the modpacks with Chemical ScienceNuclear ScienceAModin 83% of the modpacks with Chemical ScienceBallistixAModin 73% of the modpacks with Chemical ScienceMekanism GeneratorsBModin 64% of the modpacks with Chemical SciencesparkAModin 64% of the modpacks with Chemical ScienceSophisticated StorageAModin 56% of the modpacks with Chemical ScienceFTB Chunks (NeoForge)AModin 56% of the modpacks with Chemical ScienceBuilding GadgetsAModin 54% of the modpacks with Chemical ScienceAmendmentsAModin 54% of the modpacks with Chemical ScienceChippedCModin 54% of the modpacks with Chemical Science
    1 to 10 of 30123

    Latest files

    The newest file for each Minecraft version and loader. The files for recent versions come first. Recent versions: those released in the last 2 years, plus 1.20.1 and 1.21.1, among the most played in modpacks.

    MinecraftLoaderVersionSecuritySendsRequires
    1.21.1·NeoForge3.1.33.1.3 · chemicalscience-1.21.1-3.1.3.jarSends: None foundRequires:Electrodynamics, VoltaicElectrodynamics, VoltaicPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge3.0.23.0.2 · chemicalscience-1.20.1-3.0.2.jarSends: None foundRequires:Electrodynamics, VoltaicElectrodynamics, VoltaicPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·NeoForge3.0.03.0.0 · chemicalscience-1.20.1-3.0.0.jarSends: None foundRequires:Electrodynamics, VoltaicElectrodynamics, VoltaicPassedOur checks found nothing harmful in this file. Its code was read too.
    1.20.1·Forge3.0.23.0.2 · chemicalscience-1.20.1-3.0.3.jarSends: None foundRequires:Electrodynamics, VoltaicElectrodynamics, VoltaicPassedOur checks found nothing harmful in this file. Its code was read too.

    22 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.21.1The latest file for its Minecraft version and loader·NeoForge3.1.33.1.3 · chemicalscience-1.21.1-3.1.3.jar (main file)·13 Oct 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.3 MB
    1.20.1The latest file for its Minecraft version and loader·Forge3.0.23.0.2 · chemicalscience-1.20.1-3.0.3.jar (main file)·12 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.2 MB
    1.21.1·NeoForge3.1.23.1.2 · chemicalscience-1.21.1-3.1.2.jar (main file)·10 Jul 2026PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.3 MB
    1.21.1·NeoForge3.1.13.1.1 · chemicalscience-1.21.1-3.1.1.jar (main file)·11 Mar 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.3 MB
    1.21.1·NeoForge3.1.03.1.0 · chemicalscience-1.21.1-3.1.0.jar (main file)·7 Feb 2026PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 3.3 MB
    1.20.1The latest file for its Minecraft version and loader·Forge, NeoForge3.0.23.0.2 · chemicalscience-1.20.1-3.0.2.jar (main file)·27 Sep 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.2 MB
    1.20.1·Forge3.0.13.0.1 · chemicalscience-1.20.1-3.0.1.jar (main file)·7 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.2 MB
    1.21.1·NeoForge3.0.53.0.5 · chemicalscience-1.21.1-3.0.5.jar (main file)·3 Aug 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.3 MB
    1.20.1The latest file for its Minecraft version and loader·Forge, NeoForge3.0.03.0.0 · chemicalscience-1.20.1-3.0.0.jar (main file)·25 Jul 2025PassedOur checks found nothing harmful in this file. Its code was read too.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.2 MB
    1.21.1·NeoForge3.0.43.0.4 · chemicalscience-1.21.1-3.0.4.jar (main file)·24 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.3 MB
    1.21.1·NeoForge3.0.33.0.3 · chemicalscience-1.21.1-3.0.3.jar (main file)·20 Jul 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.2 MB
    1.21.1·NeoForge3.0.23.0.2 · chemicalscience-1.21.1-3.0.2.jar (main file)·21 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.2 MB
    1.21.1·NeoForge3.0.13.0.1 · chemicalscience-1.21.1-3.0.1.jar (main file)·6 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.2 MB
    1.21.1·NeoForge3.0.03.0.0 · chemicalscience-1.21.1-3.0.0.jar (main file)·6 Jun 2025PassedOur checks found nothing harmful in this file.Open this file on ModrinthOpen this file on CurseForgeDownload · Stable · 2.2 MB
    1.21.1·NeoForge2.0.02.0.0 · chemicalscience-1.21.1-2.0.0.jar·25 Jan 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 501.4 KB
    1.21.1·NeoForge2.0.02.0.0 · chemicalscience-1.21.1-prerelease-2.0.0.jar·19 Jan 2025PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 181.6 KB
    1.20.1·Forge1.0.01.0.0 · chemicalscience-1.0.0-1.20.1.jar·4 Aug 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 447.5 KB
    1.20.1·Forge0.1.40.1.4 · chemicalscience-0.1.4-1.20.1.jar·20 Jul 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 175.5 KB
    1.20.1·Forge0.1.30.1.3 · chemicalscience-0.1.3-1.20.1.jar·17 Jul 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 174.5 KB
    1.20.1·Forge0.1.20.1.2 · chemicalscience-0.1.2-1.20.1.jar·15 Jul 2024PassedOur checks found nothing harmful in this file.Not on ModrinthOpen this file on CurseForgeDownload · Stable · 137.6 KB
    1 to 20 of 2212

    Quick fixes

    In the last 2 years, 1 release needed a quick fix: a new release within 3 days to fix a problem. This counts in the grade, but it is too few to lose points.

    See them, newest first

    Quick fixesReleases followed within 3 days by a new release that fixes a problem in them.1

    • chemicalscience-1.21.1-3.0.1.jar6 Jun 2025Fixed incompatiblity with Mekanism