4-(Pyridin-1-ium-1-yl)butane-1-sulfonate

吡啶磺酸丁内酯

Also known as: Pyridinium butylsulfonate, BSO3Py, N-Butylsulfonicpyridium, N-sulfopropyridine internal salt, butane-1-sulfonate, pyridin-1-ium, 4-Pyridiniumbutylsultan, SKL1413, SKL1605

4-(Pyridin-1-ium-1-yl)butane-1-sulfonate (CAS 21876-43-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H15NO3S and a molecular weight of 217.28500 g/mol. It is also known as Pyridinium butylsulfonate, BSO3Py and N-Butylsulfonicpyridium. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21876-43-7
Jingsj CID: J-1378183-1
Molecular Formula: C₉H₁₅NO₃S
Chinese Name: 吡啶磺酸丁内酯
Molecular Weight: 217.28500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-(Pyridin-1-ium-1-yl)butane-1-sulfonate?

The CAS number of 4-(Pyridin-1-ium-1-yl)butane-1-sulfonate is 21876-43-7.

What are the molecular formula and molecular weight of 4-(Pyridin-1-ium-1-yl)butane-1-sulfonate?

4-(Pyridin-1-ium-1-yl)butane-1-sulfonate has molecular formula C9H15NO3S and molecular weight 217.28500 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. "4-(Pyridin-1-ium-1-yl)butane-1-sulfonate (CAS 21876-43-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1378183-1 (accessed 2026-10-25).

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