3,5-dimethyl-4-(thiophen-2-yl)isoxazole

Also known as: 3,5-dimethyl-4-(thiophen-2-yl)isoxazole, 3,5-dimethyl-4-thiophen-2-yl-1,2-oxazole, 3,5-dimethyl-4-thiophen-2-yl-isoxazole, Isoxazole, 3,5-dimethyl-4-(2-thienyl)-

3,5-dimethyl-4-(thiophen-2-yl)isoxazole (CAS 1121529-18-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H9NOS and a molecular weight of 179.23900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1121529-18-7
Jingsj CID: J-1125601-2
Molecular Formula: C₉H₉NOS
Molecular Weight: 179.23900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	179.04000
PSA	54.27000
LogP	3.01990

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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 3,5-dimethyl-4-(thiophen-2-yl)isoxazole?

The CAS number of 3,5-dimethyl-4-(thiophen-2-yl)isoxazole is 1121529-18-7.

What are the molecular formula and molecular weight of 3,5-dimethyl-4-(thiophen-2-yl)isoxazole?

3,5-dimethyl-4-(thiophen-2-yl)isoxazole has molecular formula C9H9NOS and molecular weight 179.23900 g/mol.

What are the upstream and downstream products of 3,5-dimethyl-4-(thiophen-2-yl)isoxazole?

For 3,5-dimethyl-4-(thiophen-2-yl)isoxazole, Upstream Products: 2-Thiophenecarboxaldehyde, 4-Bromo-3,5-dimethylisoxazole, 2-(Tributylstannyl)thiophene; Downstream Products: (5-(3,5-Dimethylisoxazol-4-yl)thiophen-2-yl)boronic acid.

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. "3,5-dimethyl-4-(thiophen-2-yl)isoxazole (CAS 1121529-18-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1125601-2 (accessed 2026-11-09).

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