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Butanoic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-3-methyl-, 1,1-dimethylethyl ester, (2R)-

Also known as: (2R)-2-[(1,3-Dioxoisoindolin-2-yl)oxy]-3-methylbutanoic acid tert-butyl ester, tert-Butyl (2R)-2-[(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)oxy]-3-methylbutanoate, D-tert-butyl 2-phthalimido-N-oxy-3-methylbutanoate, JSUWPTFAHGCIFF-CYBMUJFWSA-N

Butanoic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-3-methyl-, 1,1-dimethylethyl ester, (2R)- (CAS 380886-38-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C17H21NO5 and a molecular weight of 319.35200 g/mol. Key properties include a boiling point of 416.922ºC at 760 mmHg, a density of 1.217g/cm3 and a flash point of 205.947ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
380886-38-4
Jingsj CID
J-1578723-2
Molecular Formula
C17H21NO5
Molecular Weight
319.35200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point416.922ºC at 760 mmHg
Density1.217g/cm3
Flash Point205.947ºC
Exact Mass319.14200
PSA72.91000
LogP2.51840
Refractive Index1.547

Frequently Asked Questions

What is the CAS number of Butanoic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-3-methyl-, 1,1-dimethylethyl ester, (2R)-?

The CAS number of Butanoic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-3-methyl-, 1,1-dimethylethyl ester, (2R)- is 380886-38-4.

What are the molecular formula and molecular weight of Butanoic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-3-methyl-, 1,1-dimethylethyl ester, (2R)-?

Butanoic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-3-methyl-, 1,1-dimethylethyl ester, (2R)- has molecular formula C17H21NO5 and molecular weight 319.35200 g/mol.

What are the upstream and downstream products of Butanoic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-3-methyl-, 1,1-dimethylethyl ester, (2R)-?

For Butanoic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-3-methyl-, 1,1-dimethylethyl ester, (2R)-, Upstream Products: N-Hydroxyphthalimide, (S)-tert-Butyl 2-hydroxy-3-methylbutanoate, L-Valine; Downstream Products: Butanoic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-3-methyl-, (2R)-.

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

Last updated:

How to cite: Jingsj. "Butanoic acid, 2-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-3-methyl-, 1,1-dimethylethyl ester, (2R)- (CAS 380886-38-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1578723-2 (accessed 2026-11-09).

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