8H-7,10-Methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadecino[11,12-b]quinoxaline-8-carboxylic acid, 5-(1,1-dimethylethyl)-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-tetradecahydro-14-methoxy-3,6-dioxo-, methyl ester, (1aR,5S,8S,10R,22aR)-

(1aR,5S,8S,10R,22aR)-5-(叔丁基)-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-十四氢-14-甲氧基-3,6-二氧代-8H-7,10-甲桥环丙烯并[18,19][1,10,3,6]二氧杂二氮杂环十九碳九烯并[11,12-b]喹喔啉-8-羧酸甲酯

Also known as: MK-5172 intermediate, Grazoprevir intermediate, Methyl (1aR,5S,8S,10R,22aR)-5-tert-butyl-14-methoxy-3,6-dioxo-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-tetradecahydro-8H-7,10-methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadecino[11,12-b]quinoxaline-8-carboxylate, Methyl (1R,18R,20R,24S,27S)-7-methoxy-24-(2-methyl-2-propanyl)-22,25-dioxo-2,21-dioxa-4,11,23,26-tetraazapentacyclo[24.2.1.0.0.0]nonacosa-3,5,7,9,11-pentaene-27-carboxylate, 8H-7,10-Methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadecino[11,12-b]quinoxaline-8-carboxylic acid, 5-(1,1-dimethylethyl)-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-tetradecahydro-14-methoxy-3,6-dioxo-, methyl ester, MK-5172 Intermediate 1

8H-7,10-Methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadecino[11,12-b]quinoxaline-8-carboxylic acid, 5-(1,1-dimethylethyl)-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-tetradecahydro-14-methoxy-3,6-dioxo-, methyl ester, (1aR,5S,8S,10R,22aR)- (CAS 1206524-84-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C30H40N4O7 and a molecular weight of 568.661 g/mol. It is also known as MK-5172 intermediate, Grazoprevir intermediate and Methyl (1aR,5S,8S,10R,22aR)-5-tert-butyl-14-methoxy-3,6-dioxo-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-tetradecahydro-8H-7,10-methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadecino[11,12-b]quinoxaline-8-carboxylate. Key properties include a boiling point of 778.9±60.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 424.9±32.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1206524-84-6
Jingsj CID: J-1527310-9
Molecular Formula: C₃₀H₄₀N₄O₇
Chinese Name: (1aR,5S,8S,10R,22aR)-5-(叔丁基)-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-十四氢-14-甲氧基-3,6-二氧代-8H-7,10-甲桥环丙烯并[18,19][1,10,3,6]二氧杂二氮杂环十九碳九烯并[11,12-b]喹喔啉-8-羧酸甲酯
Molecular Weight: 568.661 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	778.9±60.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	424.9±32.9 °C

Frequently Asked Questions

What is the CAS number of 8H-7,10-Methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadecino[11,12-b]quinoxaline-8-carboxylic acid, 5-(1,1-dimethylethyl)-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-tetradecahydro-14-methoxy-3,6-dioxo-, methyl ester, (1aR,5S,8S,10R,22aR)-?

The CAS number of 8H-7,10-Methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadecino[11,12-b]quinoxaline-8-carboxylic acid, 5-(1,1-dimethylethyl)-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-tetradecahydro-14-methoxy-3,6-dioxo-, methyl ester, (1aR,5S,8S,10R,22aR)- is 1206524-84-6.

What are the molecular formula and molecular weight of 8H-7,10-Methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadecino[11,12-b]quinoxaline-8-carboxylic acid, 5-(1,1-dimethylethyl)-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-tetradecahydro-14-methoxy-3,6-dioxo-, methyl ester, (1aR,5S,8S,10R,22aR)-?

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

Last updated: 8/21/2026

How to cite: Jingsj. "8H-7,10-Methanocyclopropa[18,19][1,10,3,6]dioxadiazacyclononadecino[11,12-b]quinoxaline-8-carboxylic acid, 5-(1,1-dimethylethyl)-1,1a,3,4,5,6,9,10,18,19,20,21,22,22a-tetradecahydro-14-methoxy-3,6-dioxo-, methyl ester, (1aR,5S,8S,10R,22aR)- (CAS 1206524-84-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1527310-9 (accessed 2026-10-25).

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