News
  • Aug 2018: Initiation.
  • March 2019: Added search by name function.
  • July 2019: Updated Gateway user interface.
1. Input structure format

If you upload a file with one of these extensions, this value will be set automatically.

2. Auxiliary options

If the input structure is a 2D structure, you can check this box to get a 3D project of the structure:

If hydrogen atoms are missing from the structure, you can check this box to add hydrogen atoms:

3. Upload or paste input structure

Upload a structure file (one compound per submit):

File

OR Paste a structure (if a file has been uploaded we process the uploaded file)

You can download an example input file.
4. Submit

Or view an example results page.

Search by name
Search by InChI
Hint: You can use '?' to specify unknown chirality.
InChI Most common names Image
InChI=1S/C5H8O2/c1-4(2)3-5(6)7/h3H,1-2H3,(H,6,7) 3-Methyl-2-butenoic-acid

Database Records for 3-Methyl-2-butenoic-acid

Standard InChI=1S/C5H8O2/c1-4(2)3-5(6)7/h3H,1-2H3,(H,6,7)

Compound name: 3-Methyl-2-butenoic-acid
GISSMO Entries

GISSMO enables the efficient calculation and refinement of spin system matrices (chemical shift and coupling constants) against experimental 1D-1H NMR spectra of small molecules

bmse000581
BMOD Entries

Biomolecular Modeling Database (BMOD) is designed to archive and provide force field parameters of small molecules for different molecular modeling software packages.

BMOD0000000539 BMOD0000276070 BMOD0000354016