Back to Search
L-Cysteic Acid
CAS: 498-40-8 | C3H7NO5S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
498-40-8
Molecular Formula:
C3H7NO5S
Molecular Mass:
169.16 g/mol
Names and Synonyms:
L-Cysteic Acid
L-Alanine, 3-sulfo-
Alanine, 3-sulfo-, L-
3-Sulfo-L-alanine
L-Cysteic acid
Cysteinesulfonic acid
Cysteic acid
Cysteinesulfonate
NSC 254030
(2R)-2-Amino-3-sulfopropanoic acid
Identifiers:
SMILES:
N[C@@H](CS(=O)(=O)O)C(=O)O
InChI:
InChI=1S/C3H7NO5S/c4-2(3(5)6)1-10(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)/t2-/m0/s1
Key Properties
Melting Point
245 °C (decomp) @ Solvent: Water, Ethanol
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.
All Properties
Comprehensive physical and chemical properties
| Property | Value | Source |
|---|---|---|
| Molecular Mass | 169.16 g/mol | CAS Common Chemistry |
| 169.158 g/mol | RDKit | |
| 169.004493324 g/mol | RDKit | |
| Canonical SMILES | O=C(O)C(N)CS(=O)(=O)O | CAS Common Chemistry |
| InChI | InChI=1S/C3H7NO5S/c4-2(3(5)6)1-10(7,8)9/h2H,1,4H2,(H,5,6)(H,7,8,9)/t2-/m0/s1 | CAS Common Chemistry |
| InChI Key | InChIKey=XVOYSCVBGLVSOL-REOHCLBHSA-N | CAS Common Chemistry |
| Melting Point | 245 °C (decomp) @ Solvent: Water, Ethanol | CAS Common Chemistry |
| Name | L-Cysteic acid | CAS Common Chemistry |
| Heavy Atom Count | 10 | RDKit |
| Hydrogen Bond Acceptors | 4 | RDKit |
| Hydrogen Bond Donors | 3 | RDKit |
| Rotatable Bonds | 3 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 117.69000000000001 Ų | RDKit |
| LogP | -1.7138999999999998 | RDKit |
| Molar Refractivity | 32.0268 | RDKit |