MadSci Smart Stoich Calculator icon

MadSci Smart Stoich Calculator

by Brock Lynch · Tools
Manifest V3 Free
View in Chrome Web Store Data as of 19 Oct 2026

MadSci Smart Stoich: Chemistry with a Kick Take the headache out of stoichiometry with the MadSci Smart Stoich Calculator.…

Users
5
+2 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#252K
#210K among extensions
Version
1.0
updated 29 Apr 2026

Users

monthly, 6 months
025Apr 2026Aug 2026Oct 2026
Latest, 19 Oct 2026: 5 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months
001Apr 2026Aug 2026Oct 2026
Latest, 19 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About MadSci Smart Stoich Calculator

MadSci Smart Stoich: Chemistry with a Kick Take the headache out of stoichiometry with the MadSci Smart Stoich Calculator. Designed for chemistry students, hobbyists, and lab-rats alike, this extension turns your browser’s side panel into a high-powered reaction analyzer.No more flipping between tabs to find molar masses or manually balancing "Mole Island" conversions. Just highlight a chemical equation on any webpage, right-click, and let the Mad Scientist do the heavy lifting. Key Features: Instant Equation Parsing: Highlight any reaction (e.g., 2NaOH + H2SO4 -> Na2SO4 + 2H2O) to automatically identify reactants and products. Live PubChem Integration: Automatically fetches precise molecular weights directly from the PubChem database for real-time accuracy. Limiting Reagent Logic: Input your available grams and instantly identify which reactant is holding back your yield. Theoretical Yield Results: Get instant calculations for the maximum amount of product your reaction can produce. Manual Overrides: Not finding a rare compound? Encountering a diatomic element like $O_2$? Easily edit molar masses directly in the panel. Clean & Intuitive UI: A dark-themed, streamlined interface built specifically for Chrome’s Side Panel—perfect for multitasking while you study.Stop guessing your yields and start calculating like a Mad Scientist. Whether you’re prepping for a chemistry exam or working in a home lab, MadSci Smart Stoich is the bridge you need to cross "Mole Island" with confidence.

Growth

WindowUsersChangeRatingsRating
7 days−1−16.7%00.00
30 days+2+66.7%00.00

Version history

1 versions recorded
1.029 Apr 2026

Details

Category
Tools
First seen
29 Apr 2026
Size
85 KB
Languages
en
Pricing
Free
Extension ID
efmedolbdckffjfpedjnnfhgccgnmmba

Permissions and risk

Low riskimpact 1, likelihood 2
Permissions
contextMenussidePanel
Site access
https://pubchem.ncbi.nlm.nih.gov/*

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