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Homocysteine

CAS: 454-29-5 | C4H9NO2S

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 454-29-5
Molecular Formula: C4H9NO2S
Molecular Mass: 135.19 g/mol

Names and Synonyms:

Homocysteine
Homocysteine
Butyric acid, 2-amino-4-mercapto-, DL-
DL-Homocysteine
(±)-Homocysteine
NSC 206252
2-Amino-4-sulfanylbutanoic acid
2-Amino-4-mercaptobutyric acid
2-Amino-4-mercaptobutanoic acid

Identifiers:

SMILES:
NC(CCS)C(=O)O
InChI:
InChI=1S/C4H9NO2S/c5-3(1-2-8)4(6)7/h3,8H,1-2,5H2,(H,6,7)

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 135.19 g/mol CAS Common Chemistry
135.188 g/mol RDKit
135.035399528 g/mol RDKit
Wikipedia Url https://en.wikipedia.org/wiki/Homocysteine CAS Common Chemistry
Canonical SMILES O=C(O)C(N)CCS CAS Common Chemistry
InChI InChI=1S/C4H9NO2S/c5-3(1-2-8)4(6)7/h3,8H,1-2,5H2,(H,6,7) CAS Common Chemistry
InChI Key InChIKey=FFFHZYDWPBMWHY-UHFFFAOYSA-N CAS Common Chemistry
Name (±)-Homocysteine CAS Common Chemistry
Homocysteine CAS Common Chemistry
Heavy Atom Count 8 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 3 RDKit
Rotatable Bonds 3 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 63.32000000000001 Ų RDKit
LogP -0.28180000000000033 RDKit
Molar Refractivity 34.081199999999995 RDKit

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