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O,O-Diethyl O-(4-Methyl-2-Oxo-2H-1-Benzopyran-7-Yl) Phosphorothioate

CAS: 299-45-6 | C14H17O5PS

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 299-45-6
Molecular Formula: C14H17O5PS
Molecular Mass: 328.33 g/mol

Names and Synonyms:

O,O-Diethyl O-(4-Methyl-2-Oxo-2H-1-Benzopyran-7-Yl) Phosphorothioate
Diethyl (4-methylumbelliferyl) thionophosphate
7-Hydroxy-4-methylcoumarin diethoxythiophosphoric acid ester
4-Methyl-7-hydroxycoumarin diethoxythiophosphate
4-Methylumbelliferone O,O-diethyl thiophosphate
Potasan
Potasan-G-liquid
Phosphorothioic acid, O,O-diethyl O-(4-methyl-2-oxo-2H-1-benzopyran-7-yl) ester
Coumarin, 7-hydroxy-4-methyl-, O-ester with O,O-diethyl phosphorothioate
Umbelliferone, 4-methyl-, O,O-diethyl phosphorothioate
O,O-Diethyl O-(4-methyl-2-oxo-2H-1-benzopyran-7-yl) phosphorothioate
E 838
O,O-Diethyl O-(2-keto-4-methyl-7-α′,β′-benzo-α′-pyranyl) thiophosphate
O,O-Diethyl O-(4-methyl-7-coumarinyl) phosphorothioate
Diethyl methylcoumarinyl thiophosphate
O,O-Diethyl O-(4-methylumbelliferone) phosphorothioate

Identifiers:

SMILES:
CCOP(=S)(OCC)Oc1ccc2c(C)cc(=O)oc2c1
InChI:
InChI=1S/C14H17O5PS/c1-4-16-20(21,17-5-2)19-11-6-7-12-10(3)8-14(15)18-13(12)9-11/h6-9H,4-5H2,1-3H3

Key Properties

Boiling Point
210 °C CAS Common Chemistry
Melting Point
38 °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.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 328.33 g/mol CAS Common Chemistry
328.3260000000001 g/mol RDKit
328.053431274 g/mol RDKit
Boiling Point 210 °C CAS Common Chemistry
Canonical SMILES O=C1OC=2C=C(OP(=S)(OCC)OCC)C=CC2C(=C1)C CAS Common Chemistry
InChI InChI=1S/C14H17O5PS/c1-4-16-20(21,17-5-2)19-11-6-7-12-10(3)8-14(15)18-13(12)9-11/h6-9H,4-5H2,1-3H3 CAS Common Chemistry
InChI Key InChIKey=KNIUHBNRWZGIQQ-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 38 °C CAS Common Chemistry
Name O,O-Diethyl O-(4-methyl-2-oxo-2H-1-benzopyran-7-yl) phosphorothioate CAS Common Chemistry
Heavy Atom Count 21 RDKit
Hydrogen Bond Acceptors 6 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 6 RDKit
Aromatic Ring Count 2 RDKit
Topological Polar Surface Area 57.900000000000006 Ų RDKit
LogP 3.777720000000003 RDKit
Molar Refractivity 85.38600000000002 RDKit

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