3-(4-Methoxyphenyl)-5-methylisoxazole-4-carboxaldehyde

3-(4-甲氧苯基)-5-甲基异噁唑-4-甲醛

Also known as: 4-Isoxazolecarboxaldehyde,3-(4-methoxyphenyl)-5-methyl-(9CI), 4-Isoxazolecarboxaldehyde, 3-(4-methoxyphenyl)-5-methyl-, 3-(4-methoxyphenyl)-5-methyl-1,2-oxazole-4-carbaldehyde

3-(4-Methoxyphenyl)-5-methylisoxazole-4-carboxaldehyde (CAS 273223-12-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H11NO3 and a molecular weight of 217.22100 g/mol. It is also known as 4-Isoxazolecarboxaldehyde,3-(4-methoxyphenyl)-5-methyl-(9CI), 4-Isoxazolecarboxaldehyde, 3-(4-methoxyphenyl)-5-methyl- and 3-(4-methoxyphenyl)-5-methyl-1,2-oxazole-4-carbaldehyde. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
273223-12-4
Jingsj CID
J-1488842-5
Molecular Formula
C12H11NO3
Chinese Name
3-(4-甲氧苯基)-5-甲基异噁唑-4-甲醛
Molecular Weight
217.22100 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Exact Mass217.07400
PSA52.33000
LogP2.47110

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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-(4-Methoxyphenyl)-5-methylisoxazole-4-carboxaldehyde?

The CAS number of 3-(4-Methoxyphenyl)-5-methylisoxazole-4-carboxaldehyde is 273223-12-4.

What are the molecular formula and molecular weight of 3-(4-Methoxyphenyl)-5-methylisoxazole-4-carboxaldehyde?

3-(4-Methoxyphenyl)-5-methylisoxazole-4-carboxaldehyde has molecular formula C12H11NO3 and molecular weight 217.22100 g/mol.

Is 3-(4-Methoxyphenyl)-5-methylisoxazole-4-carboxaldehyde hazardous?

3-(4-Methoxyphenyl)-5-methylisoxazole-4-carboxaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

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

Last updated:

How to cite: Jingsj. "3-(4-Methoxyphenyl)-5-methylisoxazole-4-carboxaldehyde (CAS 273223-12-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1488842-5 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.