D-(-)-3-Acetylthio-2-methylpropionic acid
- CAS NO.：76497-39-7
- Empirical Formula: C6H10O3S
- Molecular Weight: 162.21
- MDL number: MFCD00038563
- EINECS: 278-480-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 03:13:16
What is D-(-)-3-Acetylthio-2-methylpropionic acid?
Chemical properties
clear colourless to slightly yellow liquid
The Uses of D-(-)-3-Acetylthio-2-methylpropionic acid
S-Acetylthio-2-methylpropionic acid (S-AMPA) is a key chiral intermediate for Captopril (C175750) and other hypertension drugs.
The Uses of D-(-)-3-Acetylthio-2-methylpropionic acid
ACE-inhibitors.
Properties of D-(-)-3-Acetylthio-2-methylpropionic acid
| Melting point: | 5 °C |
| Boiling point: | 120-132 °C (1 mmHg) |
| alpha | -46 º (c=1, 96% EtOH) |
| Density | 1.178 g/mL at 20 °C(lit.) |
| refractive index | n |
| Flash point: | >230 °F |
| storage temp. | Store at 0-5°C |
| solubility | Chloroform (Slightly), Ethanol (Sparingly), Methanol (Slightly) |
| pka | 4.22±0.10(Predicted) |
| form | liquid |
| Water Solubility | INSOLUBLE |
| CAS DataBase Reference | 76497-39-7(CAS DataBase Reference) |
Safety information for D-(-)-3-Acetylthio-2-methylpropionic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for D-(-)-3-Acetylthio-2-methylpropionic acid
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