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Nabumetone Basic information
Nabumetone Chemical Properties
  • Melting point:80-810C
  • Boiling point:330.1°C (rough estimate)
  • Density 1.0657 (rough estimate)
  • refractive index 1.5542 (estimate)
  • storage temp. Refrigerator
  • solubility Soluble in alcohol or chloroform
  • form neat
  • Water Solubility 6mg/L(22.5 ºC)
  • CAS DataBase Reference42924-53-8(CAS DataBase Reference)
  • NIST Chemistry ReferenceNabumetone(42924-53-8)
Safety Information
  • Hazard Codes Xn
  • Risk Statements 22-40
  • Safety Statements 36/37
  • WGK Germany 2
  • RTECS EL9085000
  • HS Code 2914500000
Nabumetone Usage And Synthesis
  • DescriptionNabumetone is a non-acidic, nonsteroidal antiinflammatory agent formally related to naproxen. Its main circulating metabolite is 6-methoxy-2-naphthylacetic acid (α-nornaproxen). Administered once daily (Tsub>1/2 * 30 hrs), nabumetone is reported to be effective in the treatment of rheumatoid and osteoarthritis.
  • Chemical PropertiesWhite Powder
  • OriginatorBeecham (United Kingdom)
  • UsesAnti-inflamatory. Antibacterial
  • UsesAnti-inflammatory. Antibacterial.
  • Usesanesthetic (local)
  • DefinitionChEBI: A methyl ketone that is 2-butanone in which one of the methyl hydrogens at position 4 is replaced by a 6-methoxy-2-naphthyl group. A prodrug that is converted to the active metabolite, 6-methoxy-2-naphthylacetic acid, following oral administration. It is s own to have a slightly lower risk of gastrointestinal side effects than most other non-steroidal anti-inflammatory drugs.
  • IndicationsNabumetone (Relafen) is approved for rheumatoid arthritis, osteoarthritis, and pain management. Its long half-life allows for once-daily dosing. Although this drug is a weak inhibitor of COX, it is metabolized in the liver to 6-methoxy-2-naphthylacetic acid (6-MNA), a strong COX inhibitor that is chemically similar to naproxen. As with most NSAIDs, GI side effects are most commonly reported. The incidence of gastric ulceration is lower with nabumetone than with many other NSAIDs.This is due to its nature as a prodrug, not to COX-2 selectivity. Lower-bowel complaints, rashes, and CNS disturbances are common adverse effects.
  • brand nameRelafen (Smith-Kline Beecham);RELIFEX.
  • General DescriptionNabumetone (Relafen), a nonacidic NSAID prodrug, isclassified as an arylacetic acid, because it undergoes rapidhepatic metabolism to its active metabolite, 6-methoxy-2-naphthylacetic acid. Similar to the other arylacetic aciddrugs, it is used in short- or long-term management of RAand OA. Being nonacidic, it does not produce significantprimary insult to the GI mucosa lining and also has no effecton prostaglandin synthesis in gastric mucosa, thus producingminimum secondary GI damage when comparedwith other conventional NSAIDs.
Nabumetone Preparation Products And Raw materials
Nabumetone(42924-53-8)Related Product Information
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