Product Name

Raltegravir Potassium

CAS Number


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Product Name:
Raltegravir Potassium
CAS Number:
For the treatment of HIV-1 infection in conjunction with other antiretrovirals.
Mode of Action:

Raltegravir targets integrase, an HIV enzyme that integrates the viral genetic material into human chromosomes, a critical step in the pathogenesis of HIV. The drug is metabolized away via glucuronidation.


Hepatic (UGT1A1)

4-Pyrimidinecarboxamide, N-((4-fluorophenyl)methyl)-1, 6-dihydro-5-hydroxy-1-methyl-2-(1-methyl-1-(((5-methyl-1, 3, 4-oxadiazol-2-yl)carbonyl)amino)ethyl)-6-oxo-, monopotassium salt
Molecular Mass:
Isentress, MK 0518, MK-0518, MK0518, N-((4-Fluorophenyl)methyl)-1,6-dihydro-5-hydroxy-1-methyl-2-(1-methyl-1-(((5-methyl-1,3,4-oxadiazol-2-yl)carbonyl)amino)ethyl)-6-oxo-4-pyrimidinecarboxamide monopotassium salt, Potassium 4-((4-fluorobenzyl)carbamoyl)-1-methyl-2-(1-methyl-1-(((5-methyl-1,3,4-oxadiazol-2-yl)carbonyl)amino)ethyl)-6-oxo-1,6-dihydropyrimidin-5-olate, Raltegravir potassium, UNII-43Y000U234
General Reference:
General Reference:


  1. Nachman S, Zheng N, Acosta E, Teppler H, Homony B, Graham B, Fenton T, Xu X, Wenning L, Spector SA, Frenkel LM, Alvero C, Worrell C, Handelsman E, Wiznia A: Pharmacokinetics, Safety and 48 Week Efficacy of Oral Raltegravir in Human Immunodeficiency Virus type-1 (HIV) infected Children 2 through 18 years of Age. Clin Infect Dis. 2013 Oct 21. Pubmed
  2. Barau C, Furlan V, Yazdanpanah Y, Fagard C, Molina JM, Taburet AM, Barrail-Tran A: Characterization of binding of raltegravir to plasma proteins. Antimicrob Agents Chemother. 2013 Oct;57(10):5147-50. doi: 10.1128/AAC.00625-13. Epub 2013 Jul 15. Pubmed
  3. Arora R, de Beauchene IC, Polanski J, Laine E, Tchertanov L: Raltegravir flexibility and its impact on recognition by the HIV-1 IN targets. J Mol Recognit. 2013 Sep;26(9):383-401. doi: 10.1002/jmr.2277. Pubmed
  4. Eron JJ, Cooper DA, Steigbigel RT, Clotet B, Gatell JM, Kumar PN, Rockstroh JK, Schechter M, Markowitz M, Yeni P, Loutfy MR, Lazzarin A, Lennox JL, Strohmaier KM, Wan H, Barnard RJ, Nguyen BY, Teppler H: Efficacy and safety of raltegravir for treatment of HIV for 5 years in the BENCHMRK studies: final results of two randomised, placebo-controlled trials. Lancet Infect Dis. 2013 Jul;13(7):587-96. doi: 10.1016/S1473-3099(13)70093-8. Epub 2013 May 7. Pubmed
  5. Winston A, Mallon PW, Boffito M: The clinical pharmacology of antiretrovirals in development. Expert Opin Drug Metab Toxicol. 2006 Jun;2(3):447-58. Pubmed
  6. O’Neal R: MK-0518 and GS-9137: two promising integrase inhibitors in the pipeline. BETA. 2006 Summer;18(4):13-6. Pubmed
  7. James JS: Integrase inhibitor MK-0518: Merck opens expanded-access program. AIDS Treat News. 2006 Jul-Sep;(419):5. Pubmed
  8. Markowitz M, Morales-Ramirez JO, Nguyen BY, Kovacs CM, Steigbigel RT, Cooper DA, Liporace R, Schwartz R, Isaacs R, Gilde LR, Wenning L, Zhao J, Teppler H: Antiretroviral activity, pharmacokinetics, and tolerability of MK-0518, a novel inhibitor of HIV-1 integrase, dosed as monotherapy for 10 days in treatment-naive HIV-1-infected individuals. J Acquir Immune Defic Syndr. 2006 Dec 15;43(5):509-15. Pubmed
  9. Colquitt AR, Pham PA: Expanded access drug profile: raltegravir (RAL, MK-0518). Hopkins HIV Rep. 2007 Jan;19(1):11-2. Pubmed
  10. Raltegravir demonstrates potency. AIDS Patient Care STDS. 2007 Apr;21(4):288. Pubmed
  11. Anti-HIV agents. Raltegravir—other issues. TreatmentUpdate. 2007 Feb;19(2):9-10. Pubmed
  12. Anti-HIV agents. Integrase inhibitor raltegravir makes its mark. TreatmentUpdate. 2007 Feb;19(2):8-9. Pubmed
  13. Cahn P, Sued O: Raltegravir: a new antiretroviral class for salvage therapy. Lancet. 2007 Apr 14;369(9569):1235-6. Pubmed


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