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DL-Methionine sulfone

Also known as: DL-2-Amino-4-(methylsulfonyl)butanoic acid, 2-Amino-4-(methylsulfonyl)butyric Acid, Methionine, S,S-dioxide, DL-Methionine S-dioxide, Methionine sulfone, Methioninesulfone, UNII:5503K54L0R, EINECS 212-466-4, MFCD00025079, Butanoic acid, 2-amino-4-(methylsulfonyl)-, Butyric acid, 2-amino-4-(methylsulfonyl)-, DL

DL-Methionine sulfone (CAS 820-10-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H11NO4S and a molecular weight of 181.210 g/mol. Key properties include a melting point of 250ºC, a boiling point of 450.5±40.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 226.3±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
820-10-0
Jingsj CID
J-31647-2
Molecular Formula
C5H11NO4S
Molecular Weight
181.210 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point250ºC
Boiling Point450.5±40.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point226.3±27.3 °C
Exact Mass181.040878
PSA105.84000
LogP-1.27
Vapor Pressure0.0±2.4 mmHg at 25°C
Refractive Index1.512

Activity & Biological Data

Additional Information[1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144.

Customs & Trade Information

HS Code2922499990
SummaryHS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of DL-Methionine sulfone?

The CAS number of DL-Methionine sulfone is 820-10-0.

What are the molecular formula and molecular weight of DL-Methionine sulfone?

DL-Methionine sulfone has molecular formula C5H11NO4S and molecular weight 181.210 g/mol.

What are the upstream and downstream products of DL-Methionine sulfone?

For DL-Methionine sulfone, Upstream Products: DL-Methionine, L-Methionine sulfoxide; Downstream Products: L-Methionine sulfone.

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

Last updated:

How to cite: Jingsj. "DL-Methionine sulfone (CAS 820-10-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31647-2 (accessed 2026-11-09).

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