The 1000-question book (PDF)
All 40 practice sets, 25 questions each, every question in English and in Bangla. A5, 283 pages, made to be printed cheaply at any local shop. Free to copy and hand out.
Download, 654 KBFree from Chem2Cure
Everything on this page is free. No charge, no account needed.
A thousand practice questions as a printable book, posters for a classroom wall, the published routes to four approved drugs, and the tools we use ourselves. Everything listed here is free to download, print, copy and hand out, and if you teach from it you do not need to ask us first. The paid part of Chem2Cure is the live training and the model tests; this page is the part that is not.
- Free to print and share
- Made to be printed cheaply
- English and বাংলা
Students
The answer key (PDF)
Every answer with its explanation, in both languages, as a separate file so a teacher can print the questions for a class and keep this half.
Download, 553 KBPractise online
The same 1000 questions, marked as you go, with your streak, your weak topics and your badges kept on your account.
Open the question bankCheat sheets
One page each on the things that are hard to hold in your head.
See the sheetsPhone wallpapers
A pack of structures sized for a phone screen.
In preparationTeachers
Classroom posters
Printable posters in Bangla and English for the wall of a classroom or a lab.
Browse the postersClassroom pack, one per chapter
Twelve files, one for each chapter of the NCTB book: every question for that chapter in English and Bangla, then the answers and explanations at the back. Teaching chapter 7 this week? Print that one.
See the twelve packsA class code and a weak-topic report
Register a class, give students one code, and see which sections of the syllabus the class as a whole keeps getting wrong.
In preparationA teacher kit by post
Posters, stickers and a mug for the first schools that register a class. Limited, and we will say when it opens.
In preparationIndustry chemists
Published API routes
Olaparib, omeprazole, sitagliptin and enzalutamide, drawn step by step with conditions, yields, SMILES and CAS, and the paper or patent cited.
Open the routesCompound screener
Paste a SMILES and get the drug-likeness numbers, with the rules they come from.
Open the screenerThe drug discovery timeline
Three thousand years of it, in order, with what each step actually changed.
Read the timelineBench one-pagers
Solvent selection, ICH impurity limits, an HPLC troubleshooting flowchart. The things worth pinning above a bench.
In preparationOwners and decision makers
Make-it-here briefs
What it would take to make one specific API in Bangladesh: the steps, the key raw materials, where the import dependency sits, and the rough scale of the investment.
In preparationA 30-minute feasibility call
If you are weighing up an API or a formulation and want a straight answer about the chemistry, write and ask. No charge, no pitch.
Ask for a callTell us which you are, and we will send only what fits
The items marked in preparation go out as they are finished: the classroom pack, the class code, the bench one-pagers, the briefs. One email when something lands, nothing else, and one click to stop.