(E)-4-oxo-4-(2-oxo-3'-thiophen-2-ylspiro[1H-indole-3,5'-4H-pyrazole]-1'-yl)but-2-enoic acid

(E)-4-oxo-4-(2-oxo-3'-thiophen-2-ylspiro[1H-indole-3,5'-4H-pyrazole]-1'-yl)but-2-enoic acid (CAS 929871-20-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H13N3O4S and a molecular weight of 367.4 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 929871-20-5
Jingsj CID: J-1239007-2
Molecular Formula: C₁₈H₁₃N₃O₄S
Molecular Weight: 367.4 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of (E)-4-oxo-4-(2-oxo-3'-thiophen-2-ylspiro[1H-indole-3,5'-4H-pyrazole]-1'-yl)but-2-enoic acid?

The CAS number of (E)-4-oxo-4-(2-oxo-3'-thiophen-2-ylspiro[1H-indole-3,5'-4H-pyrazole]-1'-yl)but-2-enoic acid is 929871-20-5.

What are the molecular formula and molecular weight of (E)-4-oxo-4-(2-oxo-3'-thiophen-2-ylspiro[1H-indole-3,5'-4H-pyrazole]-1'-yl)but-2-enoic acid?

(E)-4-oxo-4-(2-oxo-3'-thiophen-2-ylspiro[1H-indole-3,5'-4H-pyrazole]-1'-yl)but-2-enoic acid has molecular formula C18H13N3O4S and molecular weight 367.4 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. "(E)-4-oxo-4-(2-oxo-3'-thiophen-2-ylspiro[1H-indole-3,5'-4H-pyrazole]-1'-yl)but-2-enoic acid (CAS 929871-20-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1239007-2 (accessed 2026-10-24).

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