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2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid

Also known as: PHT-DL-VAL-OH, Phthaloyl-DL-valine, N-Phthalyl-DL-valine, Phthalyl-DL-valine, 3-Methyl-2-(phthalimido)butanoic acid, 2-(1,3-Dioxo-1,3-dihydro-2H-isoindol-2-yl)-3-methylbutanoic acid, 2-(1,3-Dioxoisoindolin-2-yl)-3-methyl-butanoic acid, 2-(1,3-Dioxo-2-isoindolinyl)-3-methylbutanoic acid

2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid (CAS 5115-65-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H13NO4 and a molecular weight of 247.24700 g/mol. Key property: a density of 1.353. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5115-65-1
Jingsj CID
J-1376718-5
Molecular Formula
C13H13NO4
Molecular Weight
247.24700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Density1.353
Exact Mass247.08400
PSA74.68000
LogP1.32970
Storage Conditions2-8°C

Customs & Trade Information

HS Code2925190090
Summary2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid?

The CAS number of 2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid is 5115-65-1.

What are the molecular formula and molecular weight of 2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid?

2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid has molecular formula C13H13NO4 and molecular weight 247.24700 g/mol.

What are the upstream and downstream products of 2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid?

For 2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid, Upstream Products: Phthalic anhydride, DL-Valine, N-Carbethoxyphthalimide; Downstream Products: L-Valine, Phthalide, 2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid.

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

Last updated:

How to cite: Jingsj. "2-(1,3-Dioxoisoindolin-2-yl)-3-methylbutanoic acid (CAS 5115-65-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1376718-5 (accessed 2026-11-09).

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