DL-Methionine sulfoxide
- CAS NO.：454-41-1
- Empirical Formula: C5H11NO3S
- Molecular Weight: 165.21
- MDL number: MFCD00002620
- EINECS: 207-225-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-09-12 18:53:17
What is DL-Methionine sulfoxide?
Chemical properties
white to slightly off-white crystalline powder
Definition
ChEBI: Methionine S-oxide is the S-oxide derivative of methionine. It is a biomarker of oxidative stress. It has a role as a biomarker and a human metabolite.
Purification Methods
Likely impurities are dl-methionine sulfone and dl-methionine. Crystallise the sulfoxide by dissolving it in hot H2O and adding excess EtOH. [Lepp & Dunn Biochemical Preparations 4 80 1955, Micheel & Schmitz Chem Ber 72 518 1939, Beilstein 4 III 1650, 4 IV 3192.]
Properties of DL-Methionine sulfoxide
| Melting point: | ~240 °C (dec.) |
| alpha | [α]D20 -1～+1゜ (c=2.5, H2O) |
| Density | 1.183 (estimate) |
| refractive index | 1.5216 (estimate) |
| form | solid |
| CAS DataBase Reference | 454-41-1(CAS DataBase Reference) |
Safety information for DL-Methionine sulfoxide
Computed Descriptors for DL-Methionine sulfoxide
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