- Molecular NameAspirin
- SynonymNA
- Weight180.159
- Drugbank_IDDB00945
- ACS_NO50-78-2
- Show 2D model
- LogP (experiment)1.19
- LogP (predicted, AB/LogP v2.0)1.39
- pka3.5
- LogD (pH=7, predicted)-2.01
- Solubility (experiment)3.33 mg/ml
- LogS (predicted, ACD/Labs)(ph=7)0.74
- LogSw (predicted, AB/LogsW2.0)2.66
- Sw (mg/ml) (predicted, ACD/Labs)2.38
- No.of HBond Donors1
- No.of HBond Acceptors4
- No.of Rotatable Bonds3
- TPSA63.6
- StatusFDA approved
- AdministrationMost commonly oral, also rectal. Lysine acetylsalicylate may be given IV or IM
- PharmacologyA salicylate drug, often used as an analgesic to relieve minor aches and pains, as an antipyretic to reduce fever, and as an anti-inflammatory medication.
- Absorption_value91.0
- Absorption (description)Readily absorbed after oral administration
- Caco_2N/A
- Bioavailability53.5
- Protein binding99.5
- Volume of distribution (VD)0.15 L/kg
- Blood/Plasma Partitioning ratio (D_blood)N/A
- Metabollsm80% of therapeutic doses of salicylic acid is metabolized in the liver.
- Half life0.25 h
- ExcretionSalicylates are excreted mainly by the kidneys as salicyluric acid (75%), free salicylic acid (10%), salicylic phenol (10%) and acyl (5%) glucuronides, and gentisic acid (< 1%).
- Urinary Excretion1.4
- Clerance9.3 ml.min-1.kg-1
- ToxicityOral, mouse: LD50 = 250 mg/kg; Oral, rabbit: LD50 = 1010 mg/kg; Oral, rat: LD50 = 200 mg/kg. Effects of overdose include: tinnitus, abdominal pain, hypokalemia, hypoglycemia, pyrexia, hyperventilation, dysrhythmia, hypotension, hallucination, renal failure, confusion, seizure, coma, and death.
- LD50 (rat)N/A
- LD50 (mouse)N/A