N-(p-Toluenesulfonyl)-3-pyrroline

Also known as: 1-(4-Methylphenylsulfonyl)-2,5-dihydropyrrole, 1-(4-Methylbenzenesulfonyl)-2,5-dihydro-1H-pyrrole, 1-(4-methylphenyl)sulfonyl-2,5-dihydropyrrole, 1-(Toluene-4-sulfonyl)-2,5-dihydro-1H-pyrrole, 1-(p-Tolylsulfonyl)-3-pyrroline, 1-Tosyl-2,5-dihydro-1H-pyrrole, 1-[(4-Methylphenyl)sulfonyl]-2,5-dihydro-1H-pyrrole, 1H-Pyrrole, 2,5-dihydro-1-[(4-methylphenyl)sulfonyl]-, 2,5-Dihydro-1-[(4-methylphenyl)sulfonyl]-1H-pyrrole, N-Tosyl-3-pyrroline, N-TOSYL-3-PYRROLINE, QC-924

N-(p-Toluenesulfonyl)-3-pyrroline (CAS 16851-72-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C11H13NO2S and a molecular weight of 223.291 g/mol. Key properties include a melting point of 127ºC, a boiling point of 354.2±52.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 168.0±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16851-72-2
Jingsj CID: J-48985-0
Molecular Formula: C₁₁H₁₃NO₂S
Molecular Weight: 223.291 g/mol
Category: Solvents
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	127ºC
Boiling Point	354.2±52.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	168.0±30.7 °C
Exact Mass	223.066696
PSA	45.76000
LogP	2.15
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.601

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 N-(p-Toluenesulfonyl)-3-pyrroline?

The CAS number of N-(p-Toluenesulfonyl)-3-pyrroline is 16851-72-2.

What are the molecular formula and molecular weight of N-(p-Toluenesulfonyl)-3-pyrroline?

N-(p-Toluenesulfonyl)-3-pyrroline has molecular formula C11H13NO2S and molecular weight 223.291 g/mol.

What are the upstream and downstream products of N-(p-Toluenesulfonyl)-3-pyrroline?

For N-(p-Toluenesulfonyl)-3-pyrroline, Upstream Products: 1-Tosyl-1H-pyrrole, Formaldehyde; Downstream Products: 1-Tosyl-1H-pyrrole, 3-Tosyl-6-oxa-3-azabicyclo[3.1.0]hexane, 4-Bromo-1-tosylpyrrolidin-3-one.

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. "N-(p-Toluenesulfonyl)-3-pyrroline (CAS 16851-72-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48985-0 (accessed 2026-11-09).

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