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Version5.0
StatusExpected but not Quantified
Creation Date2012-09-06 15:16:51 UTC
Update Date2022-03-07 02:51:49 UTC
HMDB IDHMDB0014999
Secondary Accession Numbers
  • HMDB14999
Metabolite Identification
Common NameDiflunisal
DescriptionDiflunisal, a salicylate derivative, is a nonsteroidal anti-inflammatory agent (NSAIA) with pharmacologic actions similar to other prototypical NSAIAs. Diflunisal possesses anti-inflammatory, analgesic and antipyretic activity. Though its mechanism of action has not been clearly established, most of its actions appear to be associated with inhibition of prostaglandin synthesis via the arachidonic acid pathway. Diflunisal is used to relieve pain accompanied with inflammation and in the symptomatic treatment of rheumatoid arthritis and osteoarthritis.
Structure
Data?1582753246
Synonyms
ValueSource
2',4'-Difluoro-4-hydroxy-3-biphenylcarboxylic acidChEBI
2-(Hydroxy)-5-(2,4-difluorophenyl)benzoic acidChEBI
5-(2,4-Difluorophenyl)salicylic acidChEBI
DolobidChEBI
2',4'-Difluoro-4-hydroxy-3-biphenylcarboxylateGenerator
2-(Hydroxy)-5-(2,4-difluorophenyl)benzoateGenerator
5-(2,4-Difluorophenyl)salicylateGenerator
Diflunisal novopharm brandHMDB
DolocidHMDB
Frosst sa brand OF diflunisalHMDB
Novopharm brand OF diflunisalHMDB
Nu pharm brand OF diflunisalHMDB
Nu-diflunisalHMDB
Merck brand OF diflunisalHMDB
Novo-diflunisalHMDB
Apo-diflunisalHMDB
DolobisHMDB
Merck sharp and dohme brand OF diflunisalHMDB
Nu-pharm brand OF diflunisalHMDB
Apotex brand OF diflunisalHMDB
Cahill may roberts brand OF diflunisalHMDB
Apo diflunisalHMDB
ApoDiflunisalHMDB
Novo diflunisalHMDB
Nu diflunisalHMDB
NovoDiflunisalHMDB
NuDiflunisalHMDB
Chemical FormulaC13H8F2O3
Average Molecular Weight250.1976
Monoisotopic Molecular Weight250.044150532
IUPAC Name5-(2,4-difluorophenyl)-2-hydroxybenzoic acid
Traditional Namediflunisal
CAS Registry Number22494-42-4
SMILES
OC(=O)C1=C(O)C=CC(=C1)C1=C(F)C=C(F)C=C1
InChI Identifier
InChI=1S/C13H8F2O3/c14-8-2-3-9(11(15)6-8)7-1-4-12(16)10(5-7)13(17)18/h1-6,16H,(H,17,18)
InChI KeyHUPFGZXOMWLGNK-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as biphenyls and derivatives. These are organic compounds containing to benzene rings linked together by a C-C bond.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassBiphenyls and derivatives
Direct ParentBiphenyls and derivatives
Alternative Parents
Substituents
  • Biphenyl
  • Hydroxybenzoic acid
  • Salicylic acid or derivatives
  • Salicylic acid
  • Benzoic acid or derivatives
  • Benzoic acid
  • Benzoyl
  • 1-hydroxy-2-unsubstituted benzenoid
  • Fluorobenzene
  • Halobenzene
  • Phenol
  • Aryl fluoride
  • Aryl halide
  • Vinylogous acid
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Organohalogen compound
  • Organofluoride
  • Organooxygen compound
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
Process
Role
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting Point210 - 221 °CNot Available
Boiling PointNot AvailableNot Available
Water Solubility0.071 g/LNot Available
LogP4.7Not Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.071 g/LALOGPS
logP3.11ALOGPS
logP3.91ChemAxon
logS-3.6ALOGPS
pKa (Strongest Acidic)2.69ChemAxon
pKa (Strongest Basic)-6.3ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area57.53 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity60.86 m³·mol⁻¹ChemAxon
Polarizability22.29 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+163.81230932474
DeepCCS[M-H]-161.43430932474
DeepCCS[M-2H]-194.3230932474
DeepCCS[M+Na]+169.88530932474
AllCCS[M+H]+153.432859911
AllCCS[M+H-H2O]+149.432859911
AllCCS[M+NH4]+157.032859911
AllCCS[M+Na]+158.132859911
AllCCS[M-H]-150.632859911
AllCCS[M+Na-2H]-150.032859911
AllCCS[M+HCOO]-149.532859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
DiflunisalOC(=O)C1=C(O)C=CC(=C1)C1=C(F)C=C(F)C=C13168.7Standard polar33892256
DiflunisalOC(=O)C1=C(O)C=CC(=C1)C1=C(F)C=C(F)C=C11997.1Standard non polar33892256
DiflunisalOC(=O)C1=C(O)C=CC(=C1)C1=C(F)C=C(F)C=C12000.3Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Diflunisal,1TMS,isomer #1C[Si](C)(C)OC(=O)C1=CC(C2=CC=C(F)C=C2F)=CC=C1O1962.6Semi standard non polar33892256
Diflunisal,1TMS,isomer #2C[Si](C)(C)OC1=CC=C(C2=CC=C(F)C=C2F)C=C1C(=O)O2036.1Semi standard non polar33892256
Diflunisal,2TMS,isomer #1C[Si](C)(C)OC(=O)C1=CC(C2=CC=C(F)C=C2F)=CC=C1O[Si](C)(C)C2057.7Semi standard non polar33892256
Diflunisal,1TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)C1=CC(C2=CC=C(F)C=C2F)=CC=C1O2250.5Semi standard non polar33892256
Diflunisal,1TBDMS,isomer #2CC(C)(C)[Si](C)(C)OC1=CC=C(C2=CC=C(F)C=C2F)C=C1C(=O)O2303.7Semi standard non polar33892256
Diflunisal,2TBDMS,isomer #1CC(C)(C)[Si](C)(C)OC(=O)C1=CC(C2=CC=C(F)C=C2F)=CC=C1O[Si](C)(C)C(C)(C)C2549.7Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Diflunisal GC-MS (Non-derivatized) - 70eV, Positivesplash10-0pc0-1190000000-37ea5d58644c01ef5b1e2017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Diflunisal GC-MS (2 TMS) - 70eV, Positivesplash10-05fr-5019000000-223530358c78521d83132017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Diflunisal GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Diflunisal GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
MSMass Spectrum (Electron Ionization)splash10-0fai-1690000000-d231ff5a9ac7d9769d2d2014-09-20Not AvailableView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - Diflunisal LC-ESI-QQ , negative-QTOFsplash10-0002-2690000000-64056c9dc4e2f14d3c592017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Diflunisal LC-ESI-QQ , negative-QTOFsplash10-0a4j-5590000000-462ea99995ea9238bf942017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Diflunisal LC-ESI-QQ , negative-QTOFsplash10-0a4i-5490000000-ec23e03578a95364b7482017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Diflunisal LC-ESI-QQ , negative-QTOFsplash10-0a4i-9550000000-2fa065aea811fa7b6c5a2017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Diflunisal LC-ESI-QQ , negative-QTOFsplash10-000t-9000000000-01d2c7c75ab3756b3df72017-09-14HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 10V, Positive-QTOFsplash10-0udi-0090000000-e1009fb8e100faed20652016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 20V, Positive-QTOFsplash10-0f89-0090000000-e9bcdf3ba0212ee28f452016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 40V, Positive-QTOFsplash10-0fc0-1970000000-baed3c5d64825d6b04b22016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 10V, Negative-QTOFsplash10-052b-0090000000-6427bf95a0116aa621f12016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 20V, Negative-QTOFsplash10-0a4i-0090000000-83af00a8dd308410951d2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 40V, Negative-QTOFsplash10-0a4i-0690000000-a756057c6442130830ef2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 10V, Positive-QTOFsplash10-0ue9-0090000000-645b3ae2575f112278132021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 20V, Positive-QTOFsplash10-001i-0090000000-78fd25facb031cdb643f2021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 40V, Positive-QTOFsplash10-056r-0940000000-9920437171fca6936f282021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 10V, Negative-QTOFsplash10-0002-0090000000-3e0ed3bddcaf7a500b102021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 20V, Negative-QTOFsplash10-052b-0090000000-4ac100e6866826f4e00a2021-10-11Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Diflunisal 40V, Negative-QTOFsplash10-0kdi-1930000000-6c51e381123d99125d702021-10-11Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
  • Membrane
Biospecimen Locations
  • Blood
  • Urine
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableTaking drug identified by DrugBank entry DB00861 details
UrineExpected but not QuantifiedNot QuantifiedNot AvailableNot AvailableTaking drug identified by DrugBank entry DB00861 details
Abnormal Concentrations
Not Available
Predicted Concentrations
BiospecimenValueOriginal ageOriginal sexOriginal conditionComments
Blood0.000 uMAdult (>18 years old)BothNormalPredicted based on drug qualities
Blood0.000 umol/mmol creatinineAdult (>18 years old)BothNormalPredicted based on drug qualities
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDDB00861
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider ID2951
KEGG Compound IDC01691
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkDiflunisal
METLIN IDNot Available
PubChem Compound3059
PDB ID1FL
ChEBI ID39669
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Download (PDF)
General ReferencesNot Available

Enzymes

General function:
Involved in transferase activity, transferring hexosyl groups
Specific function:
UDPGT is of major importance in the conjugation and subsequent elimination of potentially toxic xenobiotics and endogenous compounds.
Gene Name:
UGT1A8
Uniprot ID:
Q9HAW9
Molecular weight:
59741.035
References
  1. Cheng Z, Radominska-Pandya A, Tephly TR: Studies on the substrate specificity of human intestinal UDP- lucuronosyltransferases 1A8 and 1A10. Drug Metab Dispos. 1999 Oct;27(10):1165-70. [PubMed:10497143 ]
General function:
Involved in peroxidase activity
Specific function:
Mediates the formation of prostaglandins from arachidonate. May have a role as a major mediator of inflammation and/or a role for prostanoid signaling in activity-dependent plasticity.
Gene Name:
PTGS2
Uniprot ID:
P35354
Molecular weight:
68995.625
References
  1. Cappon GD, Cook JC, Hurtt ME: Relationship between cyclooxygenase 1 and 2 selective inhibitors and fetal development when administered to rats and rabbits during the sensitive periods for heart development and midline closure. Birth Defects Res B Dev Reprod Toxicol. 2003 Feb;68(1):47-56. [PubMed:12852483 ]
  2. Jeske AH: COX-2 inhibitors and dental pain control. J Gt Houst Dent Soc. 1999 Nov;71(4):39-40. [PubMed:10825891 ]
  3. Mao H, Hajduk PJ, Craig R, Bell R, Borre T, Fesik SW: Rational design of diflunisal analogues with reduced affinity for human serum albumin. J Am Chem Soc. 2001 Oct 31;123(43):10429-35. [PubMed:11673972 ]
  4. Moore PA, Hersh EV: Celecoxib and rofecoxib. The role of COX-2 inhibitors in dental practice. J Am Dent Assoc. 2001 Apr;132(4):451-6. [PubMed:11315375 ]
  5. Young JM, Panah S, Satchawatcharaphong C, Cheung PS: Human whole blood assays for inhibition of prostaglandin G/H synthases-1 and -2 using A23187 and lipopolysaccharide stimulation of thromboxane B2 production. Inflamm Res. 1996 May;45(5):246-53. [PubMed:8737748 ]
  6. Chen X, Ji ZL, Chen YZ: TTD: Therapeutic Target Database. Nucleic Acids Res. 2002 Jan 1;30(1):412-5. [PubMed:11752352 ]
General function:
Involved in peroxidase activity
Specific function:
May play an important role in regulating or promoting cell proliferation in some normal and neoplastically transformed cells.
Gene Name:
PTGS1
Uniprot ID:
P23219
Molecular weight:
68685.82
References
  1. Cappon GD, Cook JC, Hurtt ME: Relationship between cyclooxygenase 1 and 2 selective inhibitors and fetal development when administered to rats and rabbits during the sensitive periods for heart development and midline closure. Birth Defects Res B Dev Reprod Toxicol. 2003 Feb;68(1):47-56. [PubMed:12852483 ]
  2. Chen QH, Rao PN, Knaus EE: Design, synthesis, and biological evaluation of N-acetyl-2-carboxybenzenesulfonamides: a novel class of cyclooxygenase-2 (COX-2) inhibitors. Bioorg Med Chem. 2005 Apr 1;13(7):2459-68. [PubMed:15755648 ]
  3. Young JM, Panah S, Satchawatcharaphong C, Cheung PS: Human whole blood assays for inhibition of prostaglandin G/H synthases-1 and -2 using A23187 and lipopolysaccharide stimulation of thromboxane B2 production. Inflamm Res. 1996 May;45(5):246-53. [PubMed:8737748 ]

Transporters

General function:
Involved in ion transmembrane transporter activity
Specific function:
Involved in the renal elimination of endogenous and exogenous organic anions. Functions as organic anion exchanger when the uptake of one molecule of organic anion is coupled with an efflux of one molecule of endogenous dicarboxylic acid (glutarate, ketoglutarate, etc). Mediates the sodium-independent uptake of 2,3-dimercapto-1-propanesulfonic acid (DMPS). Mediates the sodium-independent uptake of p- aminohippurate (PAH), ochratoxin (OTA), acyclovir (ACV), 3'-azido- 3-'deoxythymidine (AZT), cimetidine (CMD), 2,4-dichloro- phenoxyacetate (2,4-D), hippurate (HA), indoleacetate (IA), indoxyl sulfate (IS) and 3-carboxy-4-methyl-5-propyl-2- furanpropionate (CMPF), cidofovir, adefovir, 9-(2- phosphonylmethoxyethyl) guanine (PMEG), 9-(2- phosphonylmethoxyethyl) diaminopurine (PMEDAP) and edaravone sulfate. PAH uptake is inhibited by p- chloromercuribenzenesulphonate (PCMBS), diethyl pyrocarbonate (DEPC), sulindac, diclofenac, carprofen, glutarate and okadaic acid. PAH uptake is inhibited by benzothiazolylcysteine (BTC), S-chlorotrifluoroethylcysteine (CTFC), cysteine S-conjugates S-dichlorovinylcysteine (DCVC), furosemide, steviol, phorbol 12-myristate 13-acetate (PMA), calcium ionophore A23187, benzylpenicillin, furosemide, indomethacin, bumetamide, losartan, probenecid, phenol red, urate, and alpha-ketoglutarate
Gene Name:
SLC22A6
Uniprot ID:
Q4U2R8
Molecular weight:
61815.8
References
  1. Mulato AS, Ho ES, Cihlar T: Nonsteroidal anti-inflammatory drugs efficiently reduce the transport and cytotoxicity of adefovir mediated by the human renal organic anion transporter 1. J Pharmacol Exp Ther. 2000 Oct;295(1):10-5. [PubMed:10991954 ]
  2. Apiwattanakul N, Sekine T, Chairoungdua A, Kanai Y, Nakajima N, Sophasan S, Endou H: Transport properties of nonsteroidal anti-inflammatory drugs by organic anion transporter 1 expressed in Xenopus laevis oocytes. Mol Pharmacol. 1999 May;55(5):847-54. [PubMed:10220563 ]