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33325-40-5

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33325-40-5 Structure

33325-40-5 Structure
IdentificationMore
[Name]

3-Acetylthio-2-methylpropanoic acid
[CAS]

33325-40-5
[Synonyms]

3-ACETYLTHIO-2-METHYLPROPANOIC ACID
3-ACETYLTHIO-2-METHYLPROPIONIC ACID
BETA-ACETYLMERCAPTOISOBUTYRIC ACID
DL-BETA-ACETYLTHIO-ALPHA-METHYLPROPIONIC ACID
3-(acetylthio)-2-methyl-propanoicaci
3-Acetylthioisobutylic acid
3-ACETYLSULFUR-2-METHYLPROPIONIC ACID
3-acetylthioisobutyric acid
3-Mercapto-2-methylpropionic acid acetate
B-ACETYLMERCAPTOISOBUTYRIC ACID
3-ACETYLTHIO-2-METHYLPROPIONIC ACIDCAPTOPRIL
(R*)-2-(Acetylthiomethyl)propionic acid
(R,S)-β-Acetylmercaptoisobutyrate
[EINECS(EC#)]

251-458-5
[Molecular Formula]

C6H10O3S
[MDL Number]

MFCD00066543
[Molecular Weight]

162.21
[MOL File]

33325-40-5.mol
Chemical PropertiesBack Directory
[Appearance]

White Solid
[Melting point ]

55-57°C
[Boiling point ]

276.5±23.0 °C(Predicted)
[density ]

1.213±0.06 g/cm3(Predicted)
[storage temp. ]

-20°C Freezer
[solubility ]

Chloroform (Sparingly), Methanol (Slightly)
[form ]

Low-Melting Solid to Solid
[pka]

4.22±0.10(Predicted)
[color ]

White to Off-White
[LogP]

0.880 (est)
[CAS DataBase Reference]

33325-40-5(CAS DataBase Reference)
[EPA Substance Registry System]

33325-40-5(EPA Substance)
Safety DataBack Directory
[Hazard Codes ]

Xi
[TSCA ]

TSCA listed
[HS Code ]

2930909899
Hazard InformationBack Directory
[Chemical Properties]

White Solid
[Uses]

3-Acetylthio-2-methylpropionic acid is a key intermediate for Captopril (C175750) and other hypertension drugs.
[Purification Methods]

Distil the acid under high vacuum and recrystallise it from *C6H6. [Fredga & Mastersson Chem Abstr 38 3616 1944.]
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