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1-Oxo-1,3-dihydroisobenzofuran-5-carbonyl chloride

Also known as: 5-Isobenzofurancarbonyl chloride, 1,3-dihydro-1-oxo-, 1,3-Dihydro-1-oxo-5-isobenzofurancarbonyl chloride, 1-Oxo-1,3-dihydro-2-benzofuran-5-carbonyl chloride, 1-Oxo-3H-2-benzofuran-5-carbonyl chloride, 5-Chlorocarbonylphthalide, 1-Oxo-phthalan-5-carbonyl chloride, 5-Isobenzofurancarbonylchloride,1,3-dihydro-1-oxo-(9CI), 5-Chlorocarbonylphthalid

1-Oxo-1,3-dihydroisobenzofuran-5-carbonyl chloride (CAS 227954-90-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H5ClO3 and a molecular weight of 196.58700 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
227954-90-7
Jingsj CID
J-1590757-0
Molecular Formula
C9H5ClO3
Molecular Weight
196.58700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass195.99300
PSA43.37000
LogP1.73600

Frequently Asked Questions

What is the CAS number of 1-Oxo-1,3-dihydroisobenzofuran-5-carbonyl chloride?

The CAS number of 1-Oxo-1,3-dihydroisobenzofuran-5-carbonyl chloride is 227954-90-7.

What are the molecular formula and molecular weight of 1-Oxo-1,3-dihydroisobenzofuran-5-carbonyl chloride?

1-Oxo-1,3-dihydroisobenzofuran-5-carbonyl chloride has molecular formula C9H5ClO3 and molecular weight 196.58700 g/mol.

What are the upstream and downstream products of 1-Oxo-1,3-dihydroisobenzofuran-5-carbonyl chloride?

For 1-Oxo-1,3-dihydroisobenzofuran-5-carbonyl chloride, Upstream Products: 1-oxo-1,3-dihydroisobenzofuran-5-carboxylic acid, 5-Aminophthalide, 5-Cyanophthalide; Downstream Products: Phthalide, 5-Cyanophthalide, 1-Oxo-1,3-dihydroisobenzofuran-5-carbaldehyde.

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

Last updated:

How to cite: Jingsj. "1-Oxo-1,3-dihydroisobenzofuran-5-carbonyl chloride (CAS 227954-90-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1590757-0 (accessed 2026-11-09).

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