DL-METHIONINE SULFOXIDE
- CAS NO.：62697-73-8
- Empirical Formula: C5H11NO3S
- Molecular Weight: 165.21
- MDL number: MFCD00002620
- EINECS: 263-700-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-16 07:06:08
What is DL-METHIONINE SULFOXIDE?
The Uses of DL-METHIONINE SULFOXIDE
DL-Methionine sulfoxide is used as pharmaceutical intermediates.
Definition
ChEBI: The S-oxide derivative of methionine. It is a biomarker of oxidative stress.
General Description
DL-Methionine sulfoxide is an oxidation product of DL-methionine.
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.) |
| Boiling point: | 434.3±40.0 °C(Predicted) |
| Density | 1.385 |
| storage temp. | Store at -20°C |
| solubility | Soluble in DMSO |
| form | Solid |
| pka | 2.14±0.10(Predicted) |
| color | White to off-white |
| Water Solubility | Soluble in water and Hcl. |
| BRN | 1723793 |
| EPA Substance Registry System | Butanoic acid, 2-amino-4-(methylsulfinyl)- (62697-73-8) |
Safety information for DL-METHIONINE SULFOXIDE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. |
Computed Descriptors for DL-METHIONINE SULFOXIDE
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