[B015]Compound Physicochemical Properties
Retrieve physicochemical properties of a single chemical structure (such as molecular weight, compound lipophilicity parameter, number of hydrogen bond donors, Topological Polar Surface Area (TPSA), isotopic mass, acidity/basicity, etc.) by inputting Structure ID, InChIKey, or SMILES (returns based on physicochemical properties displayed on the product side)
Request Parameters
List of parameters supported by this API endpoint
| Name | Type | Example | Description |
|---|---|---|---|
Required | string | BSYNRYMUTXBXSQ-UHFFFAOYSA-N | Chemical Structure InChIKey |
Response Schema
Structure of the API response data
| Field Name | Type | Example | Description |
|---|---|---|---|
data | object | - | response data |
cbu | integer<int32> | 1 | Covalently-Bonded Unit Count |
das | integer<int32> | - | Defined Atom Stereocenter Count |
dbs | integer<int32> | - | Defined Bond Stereocenter Count |
hba | integer<int32> | - | Hydrogen Bond Acceptor Count |
hbd | integer<int32> | - | Hydrogen Bond Donor Count |
psa | number<double> | - | Topological Polar Surface Area |
ro5 | integer<int32> | - | Ro5 Violations (Lipinski) |
rtb | integer<int32> | 2 | Rotatable Bond Count |
uas | integer<int32> | - | Undefined Atom Stereocenter Count |
ubs | integer<int32> | - | Undefined Bond Stereocenter Count |
charge | integer<int32> | - | Formal Charge |
source | string | pubchem | source |
xlogp3 | number<double> | 1.64 | LogP |
acd_logd | number<double> | 2.05 | ACD LogD pH7.4 |
acd_logp | number<double> | 2.05 | ACD LogP |
complexity | number<double> | 12.4 | Complexity |
exact_mass | number<double> | 111.98 | Exact Mass |
heavy_atom | integer<int32> | 5 | Heavy Atom Count |
mol_weight | number<double> | 112.98 | Molecular Weight |
source_url | string | https://pubchem.ncbi.nlm.nih.gov/compound/61902106 | source url |
mol_species | string | NULL | Molecular Species |
isotope_atom | integer<int32> | - | Isotope Atom Count |
chemical_toxnets | array | Please check the form:ChemicalToxnet | Chemical Toxnet |
bp | array | [
"334 deg C at 760 mm Hg[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** "
] | Boiling Point |
mp | array | [
"49.3 deg C[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** "
] | Melting Point |
ctp | array | [
"Critical temperature = 761 K; Critical pressure = 1.51E+06 Pa[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** "
] | Critical Temperature and Pressure |
den | array | [
"0.8187 at 50 deg C/4 deg C[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** "
] | Density/Specific Gravity |
dsc | array | [
"pKa = 16.20[Burkhard LP et al; Chemosphere 14: 1551-60 (1985)] **PEER REVIEWED** "
] | Dissociation Constants |
htc | array | [
"-9.797X10+09 J/kmol[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** "
] | Heat of Combustion |
htv | array | [
"9.9829X10+07 J/kmol at melting point[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** "
] | Heat of Vaporization |
sol | array | [
"Slightly soluble in alcohol; soluble in acetone; very soluble in ether, benzene, chloroform[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** ",
"Soluble in alcohol, chloroform, ether[O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 347] **PEER REVIEWED** ",
"In water, 4.1X10-2 mg/L at 25 deg C[Yalkowsky, S.H., He, Yan., Handbook of Aqueous Solubility Data: An Extensive Compilation of Aqueous Solubility Data for Organic Compounds Extracted from the AQUASOL dATAbASE. CRC Press LLC, Boca Raton, FL. 2003., p. 1063] **PEER REVIEWED** "
] | Solubilities |
vap | array | [
"6X10-6 mm Hg at 25 deg C[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** "
] | Vapor Pressure |
cofo | array | [
"FLAKES FROM ETHYL ACETATE[Weast, R.C. (ed.). Handbook of Chemistry and Physics. 57th ed. Cleveland: CRC Press Inc., 1976., p. C-332] **PEER REVIEWED** ",
"SOLID OR LEAF-LIKE CRYSTALS[Sax, N.I. Dangerous Properties of Industrial Materials. 4th ed. New York: Van Nostrand Reinhold, 1975., p. 532] **PEER REVIEWED** ",
"White crystals[O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 347] **PEER REVIEWED** ",
"UNCTUOUS, WHITE FLAKES, GRANULES, CUBES, OR CASTINGS[Osol, A. and J.E. Hoover, et al. (eds.). Remington's Pharmaceutical Sciences. 15th ed. Easton, Pennsylvania: Mack Publishing Co., 1975., p. 1250] **PEER REVIEWED** ",
"White, waxy solid[Lewis, R.J., Sr (Ed.). Hawley's Condensed Chemical Dictionary. 12th ed. New York, NY: Van Nostrand Rheinhold Co., 1993, p. 246] **PEER REVIEWED** "
] | Color/Form |
fpot | array | [
"Flammable when exposed to heat or flame[Lewis, R.J. Sr. (ed) Sax's Dangerous Properties of Industrial Materials. 11th Edition. Wiley-Interscience, Wiley & Sons, Inc. Hoboken, NJ. 2004., p. 1923] **PEER REVIEWED** "
] | Fire Potential |
name | string | 1-HEXADECANOL | name |
ocpp | array | [
"Congealing point: 46 deg C[Burdock, G.A. (ed.). Fenaroli's Handbook of Flavor Ingredients. 3rd Edition, Volumes 1-2. Boca Raton, FL: CRC Press 1994-1995., p. 326] **PEER REVIEWED** ",
"Liquid molar volume = 0.296365 cu m/kmol; Heat of formation = -5.1421X10+08 J/kmol; Heat of fusion = 5.838X10+07 J/kmol[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** ",
"Henry's Law constant = 4.65X10-5 atm-cu m/mol at 25 deg C (est)[SRC; The Physical Properties Database (PHYSPROP). Syracuse, NY: Syracuse Res Corp. Available from, as of Apr 11, 2006: http://www.syrres.com/esc/physprop.htm] **PEER REVIEWED** ",
"Hydroxyl radical reaction rate constant = 2.8X10-11 cu cm/molec-sec at 25 deg C (est)[US EPA; Estimation Program Interface (EPI) Suite. Ver.3.12. Nov 30, 2004. Available from, as of Apr 11, 2006: http://www.epa.gov/oppt/exposure/pubs/episuitedl.htm] **PEER REVIEWED** "
] | Other Chemical/Physical Properties |
owpc | array | [
"log Kow = 6.83 (est)[US EPA; Estimation Program Interface (EPI) Suite. Ver.3.12. Nov 30, 2004. Available from, as of Apr 11, 2006: http://www.epa.gov/oppt/exposure/pubs/episuitedl.htm] **PEER REVIEWED** "
] | Octanol/Water Partition Coefficient |
spec | array | [
"Index of refraction = 1.4283 at 79 deg C/D[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** ",
"CRYSTALS: SADTLER REFERENCE NUMBER: 222 (IR, PRISM); 5175 (NMR)[Weast, R.C. (ed.). Handbook of Chemistry and Physics. 57th ed. Cleveland: CRC Press Inc., 1976., p. C-332] **PEER REVIEWED** ",
"IR: 2106 (Coblentz Society Spectral Collection)[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** ",
"MASS: 63476 (NIST/EPA/MSDC Mass Spectral database, 1990 version); 1677 (National Bureau of Standards)[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** ",
"Raman: 614 (Sadtler Research Laboratories Spectral Collection)[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** "
] | Spectral Properties |
surf | array | [
"0.028449 Newtons/m at melting point[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** "
] | Surface Tension |
tast | array | [
"BLAND, MILD TASTE[Osol, A. and J.E. Hoover, et al. (eds.). Remington's Pharmaceutical Sciences. 15th ed. Easton, Pennsylvania: Mack Publishing Co., 1975., p. 1250] **PEER REVIEWED** "
] | Taste |
vapd | array | [
"8.360 (AIR= 1)[Patty, F. (ed.). Industrial Hygiene and Toxicology: Volume II: Toxicology. 2nd ed. New York: Interscience Publishers, 1963., p. 1470] **PEER REVIEWED** "
] | Vapor Density |
visc | array | [
"53 mPa-s (=cP) at 75 deg C[Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley and Sons, 1991-Present., p. V1: 868 (1991)] **PEER REVIEWED** "
] | Viscosity |
monoisotopic_mass | number<double> | 111.985 | Mononisotopic Mass |
statusRequired | boolean | false | Status |
error_msg | string | The request parameter format is incorrect! | Error Message |
error_codeRequired | integer | 0 | Error Code |
Success Response Example
Example of a successful API response
JSON
{
"data": {
"cbu": 1,
"das": 0,
"dbs": 0,
"hba": 0,
"hbd": 0,
"psa": 0,
"ro5": 0,
"rtb": 2,
"uas": 0,
"ubs": 0,
"charge": 0,
"source": "pubchem",
"xlogp3": 1.64,
"acd_logd": 2.05,
"acd_logp": 2.05,
"complexity": 12.4,
"exact_mass": 111.98,
"heavy_atom": 5,
"mol_weight": 112.98,
"source_url": "https://pubchem.ncbi.nlm.nih.gov/compound/61902106",
"mol_species": "NULL",
"isotope_atom": 0,
"chemical_toxnets": [
{
"bp": [
"334 deg C at 760 mm Hg[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** "
],
"mp": [
"49.3 deg C[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** "
],
"ctp": [
"Critical temperature = 761 K; Critical pressure = 1.51E+06 Pa[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** "
],
"den": [
"0.8187 at 50 deg C/4 deg C[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** "
],
"dsc": [
"pKa = 16.20[Burkhard LP et al; Chemosphere 14: 1551-60 (1985)] **PEER REVIEWED** "
],
"htc": [
"-9.797X10+09 J/kmol[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** "
],
"htv": [
"9.9829X10+07 J/kmol at melting point[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** "
],
"sol": [
"Slightly soluble in alcohol; soluble in acetone; very soluble in ether, benzene, chloroform[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** ",
"Soluble in alcohol, chloroform, ether[O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 347] **PEER REVIEWED** ",
"In water, 4.1X10-2 mg/L at 25 deg C[Yalkowsky, S.H., He, Yan., Handbook of Aqueous Solubility Data: An Extensive Compilation of Aqueous Solubility Data for Organic Compounds Extracted from the AQUASOL dATAbASE. CRC Press LLC, Boca Raton, FL. 2003., p. 1063] **PEER REVIEWED** "
],
"vap": [
"6X10-6 mm Hg at 25 deg C[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** "
],
"cofo": [
"FLAKES FROM ETHYL ACETATE[Weast, R.C. (ed.). Handbook of Chemistry and Physics. 57th ed. Cleveland: CRC Press Inc., 1976., p. C-332] **PEER REVIEWED** ",
"SOLID OR LEAF-LIKE CRYSTALS[Sax, N.I. Dangerous Properties of Industrial Materials. 4th ed. New York: Van Nostrand Reinhold, 1975., p. 532] **PEER REVIEWED** ",
"White crystals[O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. 13th Edition, Whitehouse Station, NJ: Merck and Co., Inc., 2001., p. 347] **PEER REVIEWED** ",
"UNCTUOUS, WHITE FLAKES, GRANULES, CUBES, OR CASTINGS[Osol, A. and J.E. Hoover, et al. (eds.). Remington's Pharmaceutical Sciences. 15th ed. Easton, Pennsylvania: Mack Publishing Co., 1975., p. 1250] **PEER REVIEWED** ",
"White, waxy solid[Lewis, R.J., Sr (Ed.). Hawley's Condensed Chemical Dictionary. 12th ed. New York, NY: Van Nostrand Rheinhold Co., 1993, p. 246] **PEER REVIEWED** "
],
"fpot": [
"Flammable when exposed to heat or flame[Lewis, R.J. Sr. (ed) Sax's Dangerous Properties of Industrial Materials. 11th Edition. Wiley-Interscience, Wiley & Sons, Inc. Hoboken, NJ. 2004., p. 1923] **PEER REVIEWED** "
],
"name": "1-HEXADECANOL",
"ocpp": [
"Congealing point: 46 deg C[Burdock, G.A. (ed.). Fenaroli's Handbook of Flavor Ingredients. 3rd Edition, Volumes 1-2. Boca Raton, FL: CRC Press 1994-1995., p. 326] **PEER REVIEWED** ",
"Liquid molar volume = 0.296365 cu m/kmol; Heat of formation = -5.1421X10+08 J/kmol; Heat of fusion = 5.838X10+07 J/kmol[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** ",
"Henry's Law constant = 4.65X10-5 atm-cu m/mol at 25 deg C (est)[SRC; The Physical Properties Database (PHYSPROP). Syracuse, NY: Syracuse Res Corp. Available from, as of Apr 11, 2006: http://www.syrres.com/esc/physprop.htm] **PEER REVIEWED** ",
"Hydroxyl radical reaction rate constant = 2.8X10-11 cu cm/molec-sec at 25 deg C (est)[US EPA; Estimation Program Interface (EPI) Suite. Ver.3.12. Nov 30, 2004. Available from, as of Apr 11, 2006: http://www.epa.gov/oppt/exposure/pubs/episuitedl.htm] **PEER REVIEWED** "
],
"owpc": [
"log Kow = 6.83 (est)[US EPA; Estimation Program Interface (EPI) Suite. Ver.3.12. Nov 30, 2004. Available from, as of Apr 11, 2006: http://www.epa.gov/oppt/exposure/pubs/episuitedl.htm] **PEER REVIEWED** "
],
"spec": [
"Index of refraction = 1.4283 at 79 deg C/D[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** ",
"CRYSTALS: SADTLER REFERENCE NUMBER: 222 (IR, PRISM); 5175 (NMR)[Weast, R.C. (ed.). Handbook of Chemistry and Physics. 57th ed. Cleveland: CRC Press Inc., 1976., p. C-332] **PEER REVIEWED** ",
"IR: 2106 (Coblentz Society Spectral Collection)[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** ",
"MASS: 63476 (NIST/EPA/MSDC Mass Spectral database, 1990 version); 1677 (National Bureau of Standards)[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** ",
"Raman: 614 (Sadtler Research Laboratories Spectral Collection)[Lide, D.R., G.W.A. Milne (eds.). Handbook of Data on Organic Compounds. Volume I. 3rd ed. CRC Press, Inc. Boca Raton ,FL. 1994., p. V3: 3026] **PEER REVIEWED** "
],
"surf": [
"0.028449 Newtons/m at melting point[Daubert, T.E., R.P. Danner. Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis, 1989.] **PEER REVIEWED** "
],
"tast": [
"BLAND, MILD TASTE[Osol, A. and J.E. Hoover, et al. (eds.). Remington's Pharmaceutical Sciences. 15th ed. Easton, Pennsylvania: Mack Publishing Co., 1975., p. 1250] **PEER REVIEWED** "
],
"vapd": [
"8.360 (AIR= 1)[Patty, F. (ed.). Industrial Hygiene and Toxicology: Volume II: Toxicology. 2nd ed. New York: Interscience Publishers, 1963., p. 1470] **PEER REVIEWED** "
],
"visc": [
"53 mPa-s (=cP) at 75 deg C[Kirk-Othmer Encyclopedia of Chemical Technology. 4th ed. Volumes 1: New York, NY. John Wiley and Sons, 1991-Present., p. V1: 868 (1991)] **PEER REVIEWED** "
]
}
],
"monoisotopic_mass": 111.985
},
"status": true,
"error_code": 0
}Error Codes
List of possible error codes returned by this endpoint
Business Errors
| Error Code | Description |
|---|---|
68300004 | Invalid parameter! |
68300005 | Search api failure! |
68300006 | Analytic basic access error! |
68300007 | Bad request! |
68300008 | Service error, please try again later! |
68300010 | The file does not comply with upload specifications! |
Platform Errors
| Error Code | Description |
|---|---|
67200000 | API call exceeds the total limit set by the platform! |
67200001 | API call exceeds the total limit set by the platform! |
67200002 | The current call rate is too fast, exceeding the current configuration limit QPS! |
67200003 | The key and secret parameters for applying for the token are incorrect or the client has been disabled! |
67200004 | The requested api does not have permission. Please contact our support personnel! |
67200005 | Insufficient account balance/number of calls! |
67200006 | The client has exceeded the activation validity period! |
67200007 | The current call exceeds the configured usage limit of the day! |
67200008 | Please check if the required apikey in the query parameter has been transmitted! |
67200009 | The apikey does not match the passed bearerToken. Please check if a valid token is being used! |
67200012 | The request is illegal! |
67200100 | The current server status is busy, request response timeout! |
67200101 | The API requested currently does not exist. Please check the request path! |
HTTP Status Codes
| Status Code | Description |
|---|---|
0 | Success |
401 | Unauthorized |
403 | Forbidden |
404 | Not Found |
Performance Metrics
Expected performance characteristics for this endpoint
Normal Response Time
5000 ms
Max Response Time
10000 ms