1-(3-Sulfopropyl)-2-vinylpyridinium hydroxide inner salt

Also known as: 1-(3-sulfopropyl)-2-vinylpyridinium betaine, 1-(3-sulphonatopropyl)-2-vinylpyridinium, 3-(2-vinylpyridin-1-ium-1-yl)propane-1-sulfonate, SPV

1-(3-Sulfopropyl)-2-vinylpyridinium hydroxide inner salt (CAS 6613-64-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H13NO3S and a molecular weight of 227.28000 g/mol. Key property: a melting point of 220ºC (dec.)(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6613-64-5
Jingsj CID: J-23098-2
Molecular Formula: C₁₀H₁₃NO₃S
Molecular Weight: 227.28000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	220ºC (dec.)(lit.)
Exact Mass	227.06200
PSA	69.46000
LogP	1.63320

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-(3-Sulfopropyl)-2-vinylpyridinium hydroxide inner salt?

The CAS number of 1-(3-Sulfopropyl)-2-vinylpyridinium hydroxide inner salt is 6613-64-5.

What are the molecular formula and molecular weight of 1-(3-Sulfopropyl)-2-vinylpyridinium hydroxide inner salt?

1-(3-Sulfopropyl)-2-vinylpyridinium hydroxide inner salt has molecular formula C10H13NO3S and molecular weight 227.28000 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(3-Sulfopropyl)-2-vinylpyridinium hydroxide inner salt (CAS 6613-64-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23098-2 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.