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4,5-dihydro-1,5,5-trimethyl-3-[(4-methylphenyl)sulfonyl]-1H-imidazol-1-ium iodide

Also known as: 1H-Imidazolium,4,5-dihydro-1,5,5-trimethyl-3-[(4-methylphenyl)sulfonyl]-, iodide (1:1), 1-(p-Tosyl)-3,4,4-trimethyl-2-imidazolinium iodide, 1-tosyl-3,4,4-trimethyl-2-imidazolinium iodide, 1,5,5-trimethyl-3-(4-methylphenyl)sulfonyl-4H-imidazol-1-ium,iodide, 1,5,5-trimethyl-3-tosyl-1-imidazolidinium iodide, 3,4,4-Trimethyl-1-tosyl-4,5-dihydro-1H-imidazol-3-ium iodide, 1-(P-tosyl)-3,4,4-trimethyl-2-imidazolinium iodid

4,5-dihydro-1,5,5-trimethyl-3-[(4-methylphenyl)sulfonyl]-1H-imidazol-1-ium iodide (CAS 71254-91-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H19IN2O2S and a molecular weight of 394.27200 g/mol. Key property: a melting point of 178-181ºC(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71254-91-6
Jingsj CID
J-32230-5
Molecular Formula
C13H19IN2O2S
Molecular Weight
394.27200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point178-181ºC(lit.)
Exact Mass394.02100
PSA48.77000

Customs & Trade Information

HS Code2933290090
Summary2933290090. other compounds containing an unfused imidazole 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 4,5-dihydro-1,5,5-trimethyl-3-[(4-methylphenyl)sulfonyl]-1H-imidazol-1-ium iodide?

The CAS number of 4,5-dihydro-1,5,5-trimethyl-3-[(4-methylphenyl)sulfonyl]-1H-imidazol-1-ium iodide is 71254-91-6.

What are the molecular formula and molecular weight of 4,5-dihydro-1,5,5-trimethyl-3-[(4-methylphenyl)sulfonyl]-1H-imidazol-1-ium iodide?

4,5-dihydro-1,5,5-trimethyl-3-[(4-methylphenyl)sulfonyl]-1H-imidazol-1-ium iodide has molecular formula C13H19IN2O2S and molecular weight 394.27200 g/mol.

What are the upstream and downstream products of 4,5-dihydro-1,5,5-trimethyl-3-[(4-methylphenyl)sulfonyl]-1H-imidazol-1-ium iodide?

For 4,5-dihydro-1,5,5-trimethyl-3-[(4-methylphenyl)sulfonyl]-1H-imidazol-1-ium iodide, Upstream Products: iodomethane, 4,4-Dimethyl-2-imidazoline, p-Toluenesulfonyl chloride; Downstream Products: Benzimidazole, Benzothiazole, 3,3'-Diindolylmethane.

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

Last updated:

How to cite: Jingsj. "4,5-dihydro-1,5,5-trimethyl-3-[(4-methylphenyl)sulfonyl]-1H-imidazol-1-ium iodide (CAS 71254-91-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32230-5 (accessed 2026-11-09).

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