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4-Acetylbenzo[d]oxazol-2(3H)-one

Also known as: 4-Acetyl-2-benzoxazolinone, 4-Acetyl-2(3H)-benzoxazolone, 4-Acetyl-3H-1,3-benzoxazol-2-one, 4-Acetylbenzoxazolin-2-one, 4-Acetyl-2-hydroxybenzoxazole, 4-Acetyl-3H-benzooxazol-2-one, 2(3H)-Benzoxazolone, 4-acetyl-

4-Acetylbenzo[d]oxazol-2(3H)-one (CAS 70735-79-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H7NO3 and a molecular weight of 177.15700 g/mol. Key properties include a melting point of 202-204ºC and a density of 1.325. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
70735-79-4
Jingsj CID
J-1326336-0
Molecular Formula
C9H7NO3
Molecular Weight
177.15700 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Melting Point202-204ºC
Density1.325
Exact Mass177.04300
PSA63.07000
LogP1.32370

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 4-Acetylbenzo[d]oxazol-2(3H)-one?

The CAS number of 4-Acetylbenzo[d]oxazol-2(3H)-one is 70735-79-4.

What are the molecular formula and molecular weight of 4-Acetylbenzo[d]oxazol-2(3H)-one?

4-Acetylbenzo[d]oxazol-2(3H)-one has molecular formula C9H7NO3 and molecular weight 177.15700 g/mol.

What are the upstream and downstream products of 4-Acetylbenzo[d]oxazol-2(3H)-one?

For 4-Acetylbenzo[d]oxazol-2(3H)-one, Upstream Products: Bis(trichloromethyl) carbonate, 2'-Amino-3'-hydroxyacetophenone, 1-(3-Hydroxy-2-nitrophenyl)ethanone.

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-Acetylbenzo[d]oxazol-2(3H)-one (CAS 70735-79-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1326336-0 (accessed 2026-11-09).

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