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3-(Methylthio)Propanoic Acid

CAS: 646-01-5 | C4H8O2S

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 646-01-5
Molecular Formula: C4H8O2S
Molecular Mass: 120.17 g/mol

Names and Synonyms:

3-(Methylthio)Propanoic Acid
Propanoic acid, 3-(methylthio)-
Propionic acid, 3-(methylthio)-
3-(Methylthio)propanoic acid
3-(Methylthio)propionic acid
3-(Methylmercapto)propionic acid
3-(Methylmercapto)propanoic acid
3-Methylsulfanylpropionic acid
3-Methylthio-1-propanic acid
3-Methylsulfanylpropanoic acid

Identifiers:

SMILES:
CSCCC(=O)O
InChI:
InChI=1S/C4H8O2S/c1-7-3-2-4(5)6/h2-3H2,1H3,(H,5,6)

Key Properties

Boiling Point
102-104 °C @ Press: 0.5 Torr CAS Common Chemistry
Melting Point
53 °C @ Solvent: Ligroine CAS Common Chemistry
Density
1.16 g/cm³ CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 120.17 g/mol CAS Common Chemistry
120.17299999999999 g/mol RDKit
120.024500496 g/mol RDKit
Density 1.16 g/cm³ CAS Common Chemistry
1.158 g/cm3 @ Temp: 20 °C CAS Common Chemistry
Boiling Point 102-104 °C @ Press: 0.5 Torr CAS Common Chemistry
Canonical SMILES O=C(O)CCSC CAS Common Chemistry
InChI InChI=1S/C4H8O2S/c1-7-3-2-4(5)6/h2-3H2,1H3,(H,5,6) CAS Common Chemistry
InChI Key InChIKey=CAOMCZAIALVUPA-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 53 °C @ Solvent: Ligroine CAS Common Chemistry
Name 3-(Methylthio)propanoic acid CAS Common Chemistry
Heavy Atom Count 7 RDKit
Hydrogen Bond Acceptors 2 RDKit
Hydrogen Bond Donors 1 RDKit
Rotatable Bonds 3 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 37.3 Ų RDKit
LogP 0.8241 RDKit
Molar Refractivity 30.634799999999988 RDKit

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