(1R,3S,4S)-tert-Butyl 3-(6-(7-(2-((S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptan-6-yl)-1H-imidazol-5-yl)-9,9-difluoro-9H-fluoren-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate oxalate

(1R,3S,4S)-3-(6-(7-(2-((S)-5-(叔丁氧基羰基)-5-氮杂螺[2.4]庚烷-6-基)-1H-咪唑-5-基)-9,9-二氟-9H-芴-2-基)-1H-苯并[d]咪唑-2-基)-2-氮杂二环[2.2.1]庚烷-2-羧酸叔丁酯草酸盐

Also known as: Ledipasvir intermediate 6, (6S)-6-[5-[7-[2-[(1R,3S,4S)-2-[(2-methylpropan-2-yl)oxycarbonyl]-2-azabicyclo[2.2.1]heptan-3-yl]-1H-benzimidazol-6-yl]-9,9-difluoro-9H-fluoren-2-yl]-1H-imidazol-2-yl]-5-azaspiro[2.4]heptane-5-carboxylic acid tert-butyl ester; oxalic acid, tert-Butyl (1R,3S,4S)-3-(6-(7-(2-((S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptan-6-yl)-1H-imidazol-5-yl)-9,9-difluoro-9H-fluoren-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate oxalate, MFCD30730079

(1R,3S,4S)-tert-Butyl 3-(6-(7-(2-((S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptan-6-yl)-1H-imidazol-5-yl)-9,9-difluoro-9H-fluoren-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate oxalate (CAS 1499193-66-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C35H32F2N6 and a molecular weight of 574.6655864 g/mol. It is also known as Ledipasvir intermediate 6, (6S)-6-[5-[7-[2-[(1R,3S,4S)-2-[(2-methylpropan-2-yl)oxycarbonyl]-2-azabicyclo[2.2.1]heptan-3-yl]-1H-benzimidazol-6-yl]-9,9-difluoro-9H-fluoren-2-yl]-1H-imidazol-2-yl]-5-azaspiro[2.4]heptane-5-carboxylic acid tert-butyl ester; oxalic acid and tert-Butyl (1R,3S,4S)-3-(6-(7-(2-((S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptan-6-yl)-1H-imidazol-5-yl)-9,9-difluoro-9H-fluoren-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate oxalate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1499193-66-6
Jingsj CID: J-1530087-4
Molecular Formula: C₃₅H₃₂F₂N₆
Chinese Name: (1R,3S,4S)-3-(6-(7-(2-((S)-5-(叔丁氧基羰基)-5-氮杂螺[2.4]庚烷-6-基)-1H-咪唑-5-基)-9,9-二氟-9H-芴-2-基)-1H-苯并[d]咪唑-2-基)-2-氮杂二环[2.2.1]庚烷-2-羧酸叔丁酯草酸盐
Molecular Weight: 574.6655864 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (1R,3S,4S)-tert-Butyl 3-(6-(7-(2-((S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptan-6-yl)-1H-imidazol-5-yl)-9,9-difluoro-9H-fluoren-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate oxalate?

The CAS number of (1R,3S,4S)-tert-Butyl 3-(6-(7-(2-((S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptan-6-yl)-1H-imidazol-5-yl)-9,9-difluoro-9H-fluoren-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate oxalate is 1499193-66-6.

What are the molecular formula and molecular weight of (1R,3S,4S)-tert-Butyl 3-(6-(7-(2-((S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptan-6-yl)-1H-imidazol-5-yl)-9,9-difluoro-9H-fluoren-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate oxalate?

(1R,3S,4S)-tert-Butyl 3-(6-(7-(2-((S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptan-6-yl)-1H-imidazol-5-yl)-9,9-difluoro-9H-fluoren-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate oxalate has molecular formula C35H32F2N6 and molecular weight 574.6655864 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(1R,3S,4S)-tert-Butyl 3-(6-(7-(2-((S)-5-(tert-butoxycarbonyl)-5-azaspiro[2.4]heptan-6-yl)-1H-imidazol-5-yl)-9,9-difluoro-9H-fluoren-2-yl)-1H-benzo[d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptane-2-carboxylate oxalate (CAS 1499193-66-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1530087-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.