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Molecule

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

CAS: 299-45-6 · C14H17O5PS

2D Structure

3D Structure

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Basic Information

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

Identifiers

CAS Registry Number

299-45-6

SMILES

CCOP(=S)(OCC)Oc1ccc2c(C)cc(=O)oc2c1

InChI Key

KNIUHBNRWZGIQQ-UHFFFAOYSA-N

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

Names and Synonyms

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

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 328.33 g/mol CAS Common Chemistry
328.3260000000001 g/mol RDKit
328.326 g/mol RDKit
328.319 g/mol chempirical lib
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
57.9 Ų RDKit
LogP 3.777720000000003 RDKit
3.7777 RDKit
Molar Refractivity 85.38600000000002 cm³/mol RDKit
Ring Count 2 RDKit
Formal Charge 0 RDKit
Fraction Csp3 0.3571 RDKit
0.36 chempirical lib
Exact Mass 328.053431274 g/mol RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment

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

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MW = 328.33 g/mol. Edit any field — others recompute live.

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