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3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide

Also known as: (dihydro-3,3-diphenyl-3H-furan-2-ylidene)dimethylammonium bromide, Dihydro-N,N-dimethyl-3,3-diphenyl-2(3H)-furaniminium bromide, (3,3-diphenyloxolan-2-ylidene)-dimethylazanium bromide, Dimethyl-(3,3-diphenyltetrahydro-2-furylidene)ammonium bromide, 3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide, N-(dihydro-3,3-diphenyl-2(3H)-furanylidene)-N-methylmethanaminium bromide, Dimethyl(tetrahydro-3,3-diphenyl-2-furylidene)ammonium bromide

3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide (CAS 37743-18-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H20BrNO and a molecular weight of 346.26200 g/mol. Key property: a melting point of 174.2-177.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
37743-18-3
Jingsj CID
J-27789-4
Molecular Formula
C18H20BrNO
Molecular Weight
346.26200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point174.2-177.4 °C
Exact Mass345.07300
PSA12.24000
LogP0.06760
Additional Property>500 G/L (20 ºC)

Customs & Trade Information

HS Code2932190090
Summary2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide?

The CAS number of 3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide is 37743-18-3.

What are the molecular formula and molecular weight of 3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide?

3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide has molecular formula C18H20BrNO and molecular weight 346.26200 g/mol.

What are the upstream and downstream products of 3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide?

For 3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide, Upstream Products: Dimethylamine, 4-Bromo-2,2-diphenylbutyric acid, sodium carbonate; Downstream Products: Loperamide hydrochloride, Loperamide.

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

Last updated:

How to cite: Jingsj. "3,3-Diphenyltetrahydrofuran-2-ylidene(dimethyl)ammonium bromide (CAS 37743-18-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27789-4 (accessed 2026-11-09).

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