(2S)-4-methoxy-3-methyl-4-oxobutanoic acid

Also known as: (S)-2-METHYLSUCCINIC ACID 1-METHYL ESTER, (S)-1-Methoxy-2-methylbutanedioicacid, Butanedioic acid, 2-methyl-, 1-methyl ester, (2S)-, (S)-4-Methoxy-3-methyl-4-oxobutanoic acid, (S)-2-methyl-Butanedioic acid-1-methyl ester, (s)-2-methylsuccinic acid 1-methyl ester

(2S)-4-methoxy-3-methyl-4-oxobutanoic acid (CAS 111266-16-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H10O4 and a molecular weight of 146.14100 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 111266-16-1
Jingsj CID: J-1092490-0
Molecular Formula: C₆H₁₀O₄
Molecular Weight: 146.14100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	146.05800
PSA	63.60000
LogP	0.27020

Customs & Trade Information

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (2S)-4-methoxy-3-methyl-4-oxobutanoic acid?

The CAS number of (2S)-4-methoxy-3-methyl-4-oxobutanoic acid is 111266-16-1.

What are the molecular formula and molecular weight of (2S)-4-methoxy-3-methyl-4-oxobutanoic acid?

(2S)-4-methoxy-3-methyl-4-oxobutanoic acid has molecular formula C6H10O4 and molecular weight 146.14100 g/mol.

What are the upstream and downstream products of (2S)-4-methoxy-3-methyl-4-oxobutanoic acid?

For (2S)-4-methoxy-3-methyl-4-oxobutanoic acid, Upstream Products: Methanol, Methylsuccinic anhydride, 1-Propanol; Downstream Products: Dimethyl 2-methylsuccinate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(2S)-4-methoxy-3-methyl-4-oxobutanoic acid (CAS 111266-16-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1092490-0 (accessed 2026-11-09).

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