Narlaprevir

Also known as: Narlaprevir (USAN/INN), SCH 900518, SCH-900518, SCH900518, CS-0445, (1R,2S,5S)-N-[(1S)-1-[(Cyclopropylamino)oxoacetyl]pentyl]-3-[(2S)-2-[[[[1-[[(1,1-dimethylethyl)sulfonyl]methyl]cyclohexyl]amino]carbonyl]amino]-3,3-dimethyl-1-oxobutyl]-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide, (1R,2S,5S)-3-((S)-2-(3-(1-(tert-butylsulfonylmethyl)cyclohexyl)ureido)-3,3-dimethylbutanoyl)-N-((S)-1-(cyclopropylamino)-1,2-dioxoheptan-3-yl)-6,6-dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxamide, (1R,2S,5S)-N-[(3S)-1-(Cyclopropylamino)-1,2-dioxo-3-heptanyl]-6,6-dimethyl-3-{3-methyl-N-[(1-{[(2-methyl-2-propanyl)sulfonyl]methyl}cyclohexyl)carbamoyl]-L-valyl}-3-azabicyclo[3.1.0]hexane-2-carboxamide

Narlaprevir (CAS 865466-24-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C36H61N5O7S and a molecular weight of 707.964 g/mol. Key property: a density of 1.2±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 865466-24-6
Jingsj CID: J-1978770-3
Molecular Formula: C₃₆H₆₁N₅O₇S
Molecular Weight: 707.964 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.2±0.1 g/cm3
Exact Mass	707.429199
PSA	186.21000
LogP	3.61
Refractive Index	1.558

Activity & Biological Data

Additional Information	[1]. Ashok Arasappan, et al. Discovery of Narlaprevir (SCH 900518): A Potent, Second Generation HCV NS3 Serine Protease Inhibitor. ACS Med. Chem. Lett., 2010, 1 (2), pp 64–69 [2]. Tong X, Arasappan A, Bennett F, Chase R, Feld B, Guo Z, Hart A, Madison V, Malcolm B, Pichardo J, Prongay A, Ralston R, Skelton A, Xia E, Zhang R, Njoroge FG.Preclinical characterization of the antiviral activity of SCH 900518 (narlaprevir), a novel mechanism-based inhibitor of hepatitis C virus NS3 protease.Antimicrob Agents Chemother. 2010 Jun;54(6):2365-70. Epub 2010 Mar 22. [3]. Zhu J, Li Y, Yu H, Zhang L, Mao X, Hou T.Insight into the structural requirements of narlaprevir-type inhibitors of NS3/NS4A protease based on HQSAR and molecular field analyses.Comb Chem High Throughput Screen. 2012 Jul;15(6):439-50. [4]. de Bruijne J, Bergmann JF, Reesink HW, Weegink CJ, Molenkamp R, Schinkel J, Tong X, Li J, Treitel MA, Hughes EA, van Lier JJ, van Vliet AA, Janssen HL, de Knegt RJ.Antiviral activity of narlaprevir combined with ritonavir and pegylated interferon in chronic hepatitis C patients.Hepatology. 2010 Nov;52(5):1590-9. [5]. Tomillero A, Moral MA.Gateways to clinical trials.Methods Find Exp Clin Pharmacol. 2010 Nov;32(9):675-703.

Additional Information

[1]. Ashok Arasappan, et al. Discovery of Narlaprevir (SCH 900518): A Potent, Second Generation HCV NS3 Serine Protease Inhibitor. ACS Med. Chem. Lett., 2010, 1 (2), pp 64–69 [2]. Tong X, Arasappan A, Bennett F, Chase R, Feld B, Guo Z, Hart A, Madison V, Malcolm B, Pichardo J, Prongay A, Ralston R, Skelton A, Xia E, Zhang R, Njoroge FG.Preclinical characterization of the antiviral activity of SCH 900518 (narlaprevir), a novel mechanism-based inhibitor of hepatitis C virus NS3 protease.Antimicrob Agents Chemother. 2010 Jun;54(6):2365-70. Epub 2010 Mar 22. [3]. Zhu J, Li Y, Yu H, Zhang L, Mao X, Hou T.Insight into the structural requirements of narlaprevir-type inhibitors of NS3/NS4A protease based on HQSAR and molecular field analyses.Comb Chem High Throughput Screen. 2012 Jul;15(6):439-50. [4]. de Bruijne J, Bergmann JF, Reesink HW, Weegink CJ, Molenkamp R, Schinkel J, Tong X, Li J, Treitel MA, Hughes EA, van Lier JJ, van Vliet AA, Janssen HL, de Knegt RJ.Antiviral activity of narlaprevir combined with ritonavir and pegylated interferon in chronic hepatitis C patients.Hepatology. 2010 Nov;52(5):1590-9. [5]. Tomillero A, Moral MA.Gateways to clinical trials.Methods Find Exp Clin Pharmacol. 2010 Nov;32(9):675-703.

Frequently Asked Questions

What is the CAS number of Narlaprevir?

The CAS number of Narlaprevir is 865466-24-6.

What are the molecular formula and molecular weight of Narlaprevir?

Narlaprevir has molecular formula C36H61N5O7S and molecular weight 707.964 g/mol.

What are the upstream and downstream products of Narlaprevir?

For Narlaprevir, Upstream Products: Valeraldehyde, Methyl cyclohexanecarboxylate, 2-Heptenoic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Narlaprevir (CAS 865466-24-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1978770-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.