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(±)-Thiopental
CAS: 76-75-5 | C11H18N2O2S
2D Structure
3D Structure
Loading 3D structure...
Basic Information
CAS Registry Number:
76-75-5
Molecular Formula:
C11H18N2O2S
Molecular Mass:
242.34 g/mol
Names and Synonyms:
(±)-Thiopental
4,6(1H,5H)-Pyrimidinedione, 5-ethyldihydro-5-(1-methylbutyl)-2-thioxo-
Barbituric acid, 5-ethyl-5-(1-methylbutyl)-2-thio-
5-Ethyldihydro-5-(1-methylbutyl)-2-thioxo-4,6(1H,5H)-pyrimidinedione
Intraval
Penthiobarbital
Thiomebumal
Thiopental
Thiopentone
Thiothal
5-Ethyl-5-(1-methylbutyl)-2-thiobarbituric acid
Thiopentobarbital
2-Thio-5-ethyl-5-sec-pentylbarbituric acid
Thiopentobarbituric acid
Pentothiobarbital
Thiopentobarbitone
Thionembutal
(±)-Thiopental
Identifiers:
SMILES:
CCCC(C)C1(CC)C(O)=NC(=S)N=C1O
InChI:
InChI=1S/C11H18N2O2S/c1-4-6-7(3)11(5-2)8(14)12-10(16)13-9(11)15/h7H,4-6H2,1-3H3,(H2,12,13,14,15,16)
Key Properties
Melting Point
158-159 °C
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 | 242.34 g/mol | CAS Common Chemistry |
| 242.34400000000002 g/mol | RDKit | |
| 242.108898816 g/mol | RDKit | |
| Canonical SMILES | O=C1NC(=S)NC(=O)C1(CC)C(C)CCC | CAS Common Chemistry |
| InChI | InChI=1S/C11H18N2O2S/c1-4-6-7(3)11(5-2)8(14)12-10(16)13-9(11)15/h7H,4-6H2,1-3H3,(H2,12,13,14,15,16) | CAS Common Chemistry |
| InChI Key | InChIKey=IUJDSEJGGMCXSG-UHFFFAOYSA-N | CAS Common Chemistry |
| Melting Point | 158-159 °C | CAS Common Chemistry |
| Name | (±)-Thiopental | CAS Common Chemistry |
| Heavy Atom Count | 16 | RDKit |
| Hydrogen Bond Acceptors | 1 | RDKit |
| Hydrogen Bond Donors | 2 | RDKit |
| Rotatable Bonds | 4 | RDKit |
| Aromatic Ring Count | 0 | RDKit |
| Topological Polar Surface Area | 65.18 Ų | RDKit |
| LogP | 3.030500000000001 | RDKit |
| Molar Refractivity | 69.52160000000003 | RDKit |
