D-(-)-3-Acetylthio-2-methylpropionic acid

Product Name: (s)-(-)-3-(Acetylthio)isobutyric acid (CAS NO.76497-39-7)

Molecular Formula: C₆H₁₀O₃S
Molecular Weight: 162.21g/mol
Mol File: 76497-39-7.mol
Einecs: 278-480-8
Appearance: Clear colourless to slightly yellow liquid
Melting Point: 5 °C
Boiling point: 276.5 °C at 760 mmHg
Alpha: -46 º (c=1, 96% EtOH)
Storage Temperature: Store at 0-5°C
Flash Point: 121 °C
Density: 1.178 g/mL at 20 °C(lit.)
Refractive index: n20/D 1.490
Water Solubility: Insoluble
Surface Tension: 44.7 dyne/cm
Enthalpy of Vaporization: 56.67 kJ/mol
Vapour Pressure: 0.0013 mmHg at 25°C
XLogP3-AA: 0.7
H-Bond Donor: 1
H-Bond Acceptor: 3
Product Categories: Carboxylic Acids (Chiral); Chiral Building Blocks; Synthetic Organic Chemistry

 (s)-(-)-3-(Acetylthio)isobutyric acid (CAS NO.76497-39-7) is used as a pharmaceutical intermediate, mainly for the production of bulk drugs such as captopril.

Safety Information of (s)-(-)-3-(Acetylthio)isobutyric acid (CAS NO.76497-39-7):
Hazard Codes: C,T
Risk Statements: 34-36-24/25 
24:  Toxic in contact with skin 
25:  Toxic if swallowed
34:  Causes burns 
36:  Irritating to the eyes
Safety Statements: 26-36/37/39-45
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36:  Wear suitable protective clothing  
37:  Wear suitable gloves 
39:  Wear eye/face protection 
45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)

 (s)-(-)-3-(Acetylthio)isobutyric acid ,its CAS NO. is 76497-39-7,the synonyms is D(-)s-acetyl-beta-mercapto isobutyric acid ; D-(s)-3-acetyl-3-mercapto-2-methyl propanoic acid ; D-(-)-3-acetylsulfanyl-2-methylpropionic acid ; D-(-)-3-acetylthio-2-methylpropionic acid ; (s)-Beta-(acetylmercapto)isobutyric acid ; (s)-(-)-Beta-acetylthio-2-methylpropionic acid ; (s)-(-)-3-Acetylthio-2-methylpropanoic acid .