Al's Notebook:
https://www.wll.com/al’s-notebook/
Evans' pKa Table:
Download PDF file
e-EROS:
https://onlinelibrary.wiley.com/doi/book/10.1002/047084289X
IUPAC Compendium:
https://goldbook.iupac.org/
Name Reaction List:
http://www.monomerchem.com/display4.html
NIST Chemistry WebBook:
https://webbook.nist.gov/chemistry/
Not Voodoo:
http://www.chem.rochester.edu/notvoodoo/
Mass Spec Calculator:
https://www.sisweb.com/mstools/isotope.htm
Optical Rotation Calculator:
http://www-jmg.ch.cam.ac.uk/tools/magnus/optRot.html
Organic Synthesis:
http://www.orgsyn.org/
Periodic Table:
https://www.webelements.com/
https://ptable.com/
PDB (Protein Data Bank):
https://www.rcsb.org/pdb/home/home.do
Synthesis Literacy Group:
https://chem.columbia.edu/content/synthesis-literacy-group
SBDS (Spectral Database):
https://sdbs.db.aist.go.jp/sdbs/cgi-bin/cre_index.cgi
Web of Knowledge:
https://apps.webofknowledge.com/