Raltegravir potassium
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MedKoo CAT#: 300210

CAS#: 871038-72-1 (potassium)

Description: Raltegravir, also known as MK-0518, is an antiretroviral drug used to treat HIV infection. Raltegravir is a human immunodeficiency virus (HIV) integrase strand transfer inhibitor (HIV-1 INSTI) with HIV-1 antiviral activity. Raltegravir binds to and inhibits integrase, an HIV enzyme that inserts viral genetic material into the genetic material of the infected human cell. Inhibition of integrase prevents insertion of HIV DNA into the human DNA genome, thus blocking HIV replication. It received approval by the U.S. Food and Drug Administration (FDA) in October 2007, the first of a new class of HIV drugs, the integrase inhibitors, to receive such approval.


Chemical Structure

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Raltegravir potassium
CAS# 871038-72-1 (potassium)

Theoretical Analysis

MedKoo Cat#: 300210
Name: Raltegravir potassium
CAS#: 871038-72-1 (potassium)
Chemical Formula: C20H20FKN6O5
Exact Mass: 444.15575
Molecular Weight: 482.5137
Elemental Analysis: C, 49.79; H, 4.18; F, 3.94; K, 8.10; N, 17.42; O, 16.58

Price and Availability

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500.0mg USD 150.0 Same day
1.0g USD 250.0 Same day
2.0g USD 450.0 Same day
5.0g USD 850.0 Same day
10.0g USD 1450.0 Same day
20.0g USD 2150.0 Same day
50.0g USD 3450.0 Same day
100.0g USD 4350.0 Same day
200.0g USD 5850.0 2 Weeks
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Related CAS #: 518048-05-0 (free)   871038-72-1 (potassium)    

Synonym: MK0518; MK 0518; MK-0518; HSDB-8124; HSDB 8124; HSDB8124; Raltegravir; brand name: Isentress

IUPAC/Chemical Name: potassium 4-((4-fluorobenzyl)carbamoyl)-1-methyl-2-(2-(5-methyl-1,3,4-oxadiazole-2-carboxamido)propan-2-yl)-6-oxo-1,6-dihydropyrimidin-5-olate

InChi Key: IFUKBHBISRAZTF-UHFFFAOYSA-M

InChi Code: InChI=1S/C20H21FN6O5.K/c1-10-25-26-17(32-10)16(30)24-20(2,3)19-23-13(14(28)18(31)27(19)4)15(29)22-9-11-5-7-12(21)8-6-11;/h5-8,28H,9H2,1-4H3,(H,22,29)(H,24,30);/q;+1/p-1

SMILES Code: O=C(C(N=C(C(NC(C1=NN=C(C)O1)=O)(C)C)N2C)=C([O-])C2=O)NCC3=CC=C(F)C=C3.[K+]

Appearance: solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO.

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 482.5137 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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1: Brogan AJ, Davis AE, Goodwin B. Short-term cost analysis of raltegravir versus atazanavir + ritonavir or darunavir + ritonavir for treatment-naive adults with HIV-1 infection in the United States. PLoS One. 2018 Aug 30;13(8):e0203293. doi: 10.1371/journal.pone.0203293. eCollection 2018. PubMed PMID: 30161205; PubMed Central PMCID: PMC6117059.

2: Trahan MJ, Lamarre V, Metras ME, Kakkar F. Use of Triple Combination Antiretroviral Therapy With Raltegravir as Empiric HIV Therapy in the High-Risk HIV-Exposed Newborn. Pediatr Infect Dis J. 2018 Aug 27. doi: 10.1097/INF.0000000000002180. [Epub ahead of print] PubMed PMID: 30153229.

3: Ammassari A, Stöhr W, Antinori A, Molina JM, Schwimmer C, Domingo P, Thalme A, Di Pietro M, Wallet C, Pozniak A, Richert L, Raffi F; and the NEAT 001/ANRS 143 Trial Study Group. Patient Self-Reported Adherence to Ritonavir-Boosted Darunavir Combined with Either Raltegravir or Tenofovir Disoproxil Fumarate /Emtricitabine in the Neat 001/Anrs 143 Trial. J Acquir Immune Defic Syndr. 2018 Aug 27. doi: 10.1097/QAI.0000000000001834. [Epub ahead of print] PubMed PMID: 30153121.

4: van der Heijden WA, van Crevel R, De Groot PG, Urbanus RT, Koenen HJPM, Bosch M, Keuter M, van der Ven AJ, de Mast Q. A Switch to a raltegravir containing regimen does not lower platelet reactivity in HIV-infected individuals. AIDS. 2018 Aug 20. doi: 10.1097/QAD.0000000000001993. [Epub ahead of print] PubMed PMID: 30134289.

5: Pennington MR, Voorhees IEH, Callaway HM, Dehghanpir SD, Baines JD, Parrish CR, Van de Walle GR. The HIV integrase inhibitor raltegravir inhibits felid alphaherpesvirus 1 (FeHV-1) replication by targeting both DNA replication and late gene expression. J Virol. 2018 Jul 25. pii: JVI.00994-18. doi: 10.1128/JVI.00994-18. [Epub ahead of print] PubMed PMID: 30045987.

6: Jabłonowska E, Pulik P, Kalinowska A, Gąsiorowski J, Parczewski M, Bociąga-Jasik M, Mularska E, Pulik Ł, Siwak E, Wójcik K. Dual therapy based on raltegravir and boosted protease inhibitors - the experience of Polish centers. Arch Med Sci. 2018 Jun;14(4):860-864. doi: 10.5114/aoms.2016.62445. Epub 2016 Sep 22. PubMed PMID: 30002705; PubMed Central PMCID: PMC6040130.

7: Drugs and Lactation Database (LactMed) [Internet]. Bethesda (MD): National Library of Medicine (US); 2006-. Available from http://www.ncbi.nlm.nih.gov/books/NBK501554/ PubMed PMID: 30000614.

8: Gold J, Marta M, Meier UC, Christensen T, Miller D, Altmann D, Holden D, Bianchi L, Adiutori R, MacManus D, Yousry T, Schmierer K, Turner B, Giovannoni G. A phase II baseline versus treatment study to determine the efficacy of raltegravir (Isentress) in preventing progression of relapsing remitting multiple sclerosis as determined by gadolinium-enhanced MRI: The INSPIRE study. Mult Scler Relat Disord. 2018 Aug;24:123-128. doi: 10.1016/j.msard.2018.06.002. Epub 2018 Jun 28. PubMed PMID: 29990894.

9: Stella-Ascariz N, Montejano R, Rodriguez-Centeno J, Alejos B, Schwimmer C, Bernardino JI, Rodes B, Allavena C, Hoffmann C, Gisslén M, de Miguel R, Esteban-Cantos A, Wallet C, Raffi F, Arribas JR; NEAT 001/ ANRS 143 Study Group. Blood Telomere Length Changes after Ritonavir-boosted Darunavir Combined with Raltegravir or Tenofovir-Emtricitabine in Antiretroviral-Naive Adults Infected with HIV-1. J Infect Dis. 2018 Jul 3. doi: 10.1093/infdis/jiy399. [Epub ahead of print] PubMed PMID: 29982509.

10: Krznaric I, Bickel M, Carganico A, De Leuw P, Haberl A, Knecht G, Koegl C, Lauscher P, Schüttfort G, Stephan C, Wolf E, Wolf T. Similar long-term efficacy of dual therapy containing raltegravir and a boosted protease inhibitor versus standard triple therapies in pretreated HIV-1-infected patients in a retrospective, real-life cohort of 14 years. HIV Med. 2018 Oct;19(9):662-667. doi: 10.1111/hiv.12636. Epub 2018 Jul 3. PubMed PMID: 29971922.

11: Rusconi S, Adorni F, Tau P, Borghi V, Pecorari M, Maserati R, Francisci D, Monno L, Punzi G, Meraviglia P, Paolucci S, Di Biagio A, Bruzzone B, Mancon A, Micheli V, Zazzi M; ARCA (Antiviral Response Cohort Analysis). Dolutegravir (DTG)-containing regimens after receiving raltegravir (RAL) or elvitegravir (EVG): Durability and virological response in a large Italian HIV drug resistance network (ARCA). J Clin Virol. 2018 Aug;105:112-117. doi: 10.1016/j.jcv.2018.06.012. Epub 2018 Jun 21. PubMed PMID: 29957545.

12: Pennington MR, Grenier JK, Van de Walle GR. Transcriptome profiling of alphaherpesvirus-infected cells treated with the HIV-integrase inhibitor raltegravir reveals profound and specific alterations in host transcription. J Gen Virol. 2018 Aug;99(8):1115-1128. doi: 10.1099/jgv.0.001090. Epub 2018 Jun 19. PubMed PMID: 29916804.

13: Troya J, Montejano R, Ryan P, Gómez C, Matarranz M, Cabello A, Vera F, Sepúlveda MA, Santos I, Samperiz G, Bachiller P, Boix V, Barrufet P, Cervero M, Sanz J, Solís J, Yllescas M, Valencia E; GESIDA-8715 Study Group. Raltegravir plus abacavir/lamivudine in virologically suppressed HIV-1-infected patients: 48-week results of the KIRAL study. PLoS One. 2018 Jun 14;13(6):e0198768. doi: 10.1371/journal.pone.0198768. eCollection 2018. PubMed PMID: 29902204; PubMed Central PMCID: PMC6002106.

14: Cahn P, Sax PE, Squires K, Molina JM, Ratanasuwan W, Rassool M, Bloch M, Xu X, Zhou Y, Homony B, Hepler D, Teppler H, Hanna GJ, Nguyen BY, Greaves W; ONCEMRK Study Group. Raltegravir 1200 mg Once Daily vs 400 mg Twice Daily, With Emtricitabine and Tenofovir Disoproxil Fumarate, for Previously Untreated HIV-1 Infection: Week 96 Results From ONCEMRK, a Randomized, Double-Blind, Noninferiority Trial. J Acquir Immune Defic Syndr. 2018 Aug 15;78(5):589-598. doi: 10.1097/QAI.0000000000001723. PubMed PMID: 29771789; PubMed Central PMCID: PMC6075877.

15: Krikke M, Tesselaar K, van den Berk GEL, Otto SA, Freriks LH, van Lelyveld SFL, Visseren FJL, Hoepelman AIM, Arends JE. The effect of switching protease inhibitors to raltegravir on endothelial function, in HIV-infected patients. HIV Clin Trials. 2018 Apr;19(2):75-83. doi: 10.1080/15284336.2018.1455366. PubMed PMID: 29770748.

16: Offor O, Utay N, Reynoso D, Somasunderam A, Currier J, Lake J. Adiponectin and the steatosis marker Chi3L1 decrease following switch to raltegravir compared to continued PI/NNRTI-based antiretroviral therapy. PLoS One. 2018 May 10;13(5):e0196395. doi: 10.1371/journal.pone.0196395. eCollection 2018. PubMed PMID: 29746485; PubMed Central PMCID: PMC5944924.

17: Belkhir L, Seguin-Devaux C, Elens L, Pauly C, Gengler N, Schneider S, Ruelle J, Haufroid V, Vandercam B. Impact of UGT1A1 polymorphisms on Raltegravir and its glucuronide plasma concentrations in a cohort of HIV-1 infected patients. Sci Rep. 2018 May 9;8(1):7359. doi: 10.1038/s41598-018-25803-z. PubMed PMID: 29743555; PubMed Central PMCID: PMC5943329.

18: Weber MD, Andrews E, Prince HA, Sykes C, Rosen EP, Bay C, Shaheen NJ, Madanick RD, Dellon ES, De Paris K, Nelson JA, Gay CL, Kashuba AD. Virological and immunological responses to raltegravir and dolutegravir in the gut-associated lymphoid tissue of HIV-infected men and women. Antivir Ther. 2018 May 1. doi: 10.3851/IMP3236. [Epub ahead of print] PubMed PMID: 29714167.

19: Puthanakit T, Thepnarong N, Chaithongwongwatthana S, Anugulruengkitt S, Anunsittichai O, Theerawit T, Ubolyam S, Pancharoen C, Phanuphak P. Intensification of antiretroviral treatment with raltegravir for pregnant women living with HIV at high risk of vertical transmission. J Virus Erad. 2018 Apr 1;4(2):61-65. PubMed PMID: 29682296; PubMed Central PMCID: PMC5892679.

20: Horikawa M, Toyoda M, Saito N, Kimura M, Kobayashi T, Takagi A, Fukagawa M. Raltegravir-associated Diabetic Ketoacidosis in a Patient with HIV Infection: A Case Report. Tokai J Exp Clin Med. 2018 Apr 20;43(1):19-23. PubMed PMID: 29637535.



Additional Information

Related CAS#
518048-05-0 ( Raltegravir free);
871038-72-1 ( Raltegravir potassium salt)