(2S,4S)-1-tert-butyl 2-(2-(9-((2S,5S)-1-((S)-2-(methoxycarbonylamino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carbonyloxy)-8-oxo-8,9,10,11-tetrahydro-5H-dibenzo[c,g]chromen-3-yl)-2-oxoethyl) 4-(methoxymethyl)pyrrolidine-1,2-dicarboxylate

维帕他韦中间体N-3

Also known as: Velpatasvir intermediate N-3, VP N-3, Velpatasvir intermediate, (2S,4S)-1-tert-butyl 2-(2-(9-(((2S,5S)-1-((S)-2-((methoxycarbonyl)amino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carbonyl)oxy)-8-oxo-8,9,10,11-tetrahydro-5H-dibenzo[c,g]chromen-3-yl)-2-oxoethyl) 4-(methoxymethyl)pyrrolidine-1,2-dicarboxylate, 1-tert-Butyl 2-[2-[9-[[[(2S,5S)-1-[(S)-2-(methoxycarbonylamino)-3-methylbutanoyl]-5-methylpyrrolidin-2-yl]carbonyl]oxy]-8-oxo-8,9,10,11-tetrahydro-5H-dibenzo[c,g]chromen-3-yl]-2-oxoethyl] (2S,4S)-4-(methoxymethyl)pyrrolidine-1,2-dicarboxylate, 3-{[(2S,4S)-2-Carboxy-4-(methoxymethyl)-1-{[(2-methyl-2-propanyl)oxy]carbonyl}-2-pyrrolidinyl]acetyl}-8-oxo-8,9,10,11-tetrahydro-5H-dibenzo[c,g]chromen-9-yl N-(methoxycarbonyl)-L-valyl-(5S)-5-methylprolinate, L-Proline, N-(methoxycarbonyl)-L-valyl-5-methyl-, 3-[2-[[[(2S,4S)-1-[(1,1-dimethylethoxy)carbonyl]-4-(methoxymethyl)-2-pyrrolidinyl]carbonyl]oxy]acetyl]-8,9,10,11-tetrahydro-8-oxo-5H-benzo[d]naphtho[2,3-b]pyran-9-yl ester, (5S)-, Proline, N-(methoxycarbonyl)-L-valyl-5-methyl-, 3-[2-[(2S,4S)-2-carboxy-1-[(1,1-dimethylethoxy)carbonyl]-4-(methoxymethyl)-2-pyrrolidinyl]acetyl]-8,9,10,11-tetrahydro-8-oxo-5H-benzo[d]naphtho[2,3-b]pyran-9-yl ester, (5S)-

(2S,4S)-1-tert-butyl 2-(2-(9-((2S,5S)-1-((S)-2-(methoxycarbonylamino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carbonyloxy)-8-oxo-8,9,10,11-tetrahydro-5H-dibenzo[c,g]chromen-3-yl)-2-oxoethyl) 4-(methoxymethyl)pyrrolidine-1,2-dicarboxylate (CAS 1378391-43-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C44H55N3O13 and a molecular weight of 833.920 g/mol. It is also known as Velpatasvir intermediate N-3, VP N-3 and Velpatasvir intermediate. Key properties include a boiling point of 963.0±65.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 536.2±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1378391-43-5
Jingsj CID: J-1527649-4
Molecular Formula: C₄₄H₅₅N₃O₁₃
Chinese Name: 维帕他韦中间体N-3
Molecular Weight: 833.920 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	963.0±65.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	536.2±34.3 °C

Frequently Asked Questions

What is the CAS number of (2S,4S)-1-tert-butyl 2-(2-(9-((2S,5S)-1-((S)-2-(methoxycarbonylamino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carbonyloxy)-8-oxo-8,9,10,11-tetrahydro-5H-dibenzo[c,g]chromen-3-yl)-2-oxoethyl) 4-(methoxymethyl)pyrrolidine-1,2-dicarboxylate?

The CAS number of (2S,4S)-1-tert-butyl 2-(2-(9-((2S,5S)-1-((S)-2-(methoxycarbonylamino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carbonyloxy)-8-oxo-8,9,10,11-tetrahydro-5H-dibenzo[c,g]chromen-3-yl)-2-oxoethyl) 4-(methoxymethyl)pyrrolidine-1,2-dicarboxylate is 1378391-43-5.

What are the molecular formula and molecular weight of (2S,4S)-1-tert-butyl 2-(2-(9-((2S,5S)-1-((S)-2-(methoxycarbonylamino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carbonyloxy)-8-oxo-8,9,10,11-tetrahydro-5H-dibenzo[c,g]chromen-3-yl)-2-oxoethyl) 4-(methoxymethyl)pyrrolidine-1,2-dicarboxylate?

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

Last updated: 8/21/2026

How to cite: Jingsj. "(2S,4S)-1-tert-butyl 2-(2-(9-((2S,5S)-1-((S)-2-(methoxycarbonylamino)-3-methylbutanoyl)-5-methylpyrrolidine-2-carbonyloxy)-8-oxo-8,9,10,11-tetrahydro-5H-dibenzo[c,g]chromen-3-yl)-2-oxoethyl) 4-(methoxymethyl)pyrrolidine-1,2-dicarboxylate (CAS 1378391-43-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1527649-4 (accessed 2026-10-25).

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