Welcome to ChemAPI

Source code can be found at GitHub

Program Name Predicted Property ChemAPI Ref
DeepCCS Collision Cross-Sections
Rule GET: https://chemapi.biotransformerdb.ca/deepccs/predict/{smiles string}/{adduct type}
Example GET: https://chemapi.biotransformerdb.ca/deepccs/predict/C1=CC=CN=C1/M+H
Result: { "deepccs": "120.58036" }
Adduct Type ["M+H", "M+Na", "M-H","M-2H"]
PMC6628689
DarkChem Collision Cross-Sections
Rule GET: https://chemapi.biotransformerdb.ca/darkchem/predict/{smiles string}/{adduct type}
Example GET: https://chemapi.biotransformerdb.ca/darkchem/predict/C1=CC=CN=C1/[M+H]+
Result: { "darkchem": { "m/z": [ 40.51393127441406, 36.97358703613281, 39.30131530761719, 40.51393127441406, 40.51393127441406, 39.30131530761719, 40.51393127441406, 40.00201416015625, 39.301361083984375, 40.51393127441406, 36.97361755371094 ], "css": [ 104.25589752197266, 103.90624237060547, 104.61929321289062, 104.25589752197266, 104.25589752197266, 104.61929321289062, 104.25589752197266, 103.04401397705078, 104.61927795410156, 104.25590515136719, 103.90625 ] } }
Adduct Type ["M+H", "M−H", "M+Na"]
ACS
N/A Retention Index (non-lipid only)
Rule GET: https://chemapi.biotransformerdb.ca/rapidminer/predict/{smiles}
Example GET: https://chemapi.biotransformerdb.ca/rapidminer/predict/C1=CC=CN=C1
Result: { "retention_index": "-70.42578" }
ACS
METLIN Retention Time (in second)
Rule GET: https://chemapi.biotransformerdb.ca/metlin/predict/{smiles}
Example GET: https://chemapi.biotransformerdb.ca/metlin/predict/C1=CC=CN=C1
Result: { "retention_time": "61.91741" }
Nature
N/A Chemical Properties
Rule: All properties GET: https://chemapi.biotransformerdb.ca/chemprop/predict/{smiles}
Example GET: https://chemapi.biotransformerdb.ca/chemprop/predict/C1=CC=CN=C1
Result: {"LogP": 1.0816, "Molar Refractivity (MR)": 24.236999999999995, "Molecular Weight": 79.10199999999999, "Exact Molecular Weight": 79.04219916, "Heavy Atom Count": 6, "Heavy Atom Molecular Weight": 74.062, "# of NHOH": 0, "# of NO": 1, "# of H Acceptors": 1, "# of H Donors": 0, "# of Hetero atoms": 1, "# of Rotatable Bonds": 0, "Ring Count": 1, "Polar Surface Area": 12.89, "Solvent-accessible Surface Area": 36.651051100443475, "LogS": 0.619, "LogD": 0.295}
Rule: LogD GET: https://chemapi.biotransformerdb.ca/chemprop/predict/logd/{smiles}
Example GET: https://chemapi.biotransformerdb.ca/chemprop/predict/logd/C1=CC=CN=C1
Result: {"LogD": 0.295}
Rule: LogS GET: https://chemapi.biotransformerdb.ca/chemprop/predict/logs/{smiles}
Example GET: https://chemapi.biotransformerdb.ca/chemprop/predict/logs/C1=CC=CN=C1
Result: {"LogS": 0.619}
RDKit