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Fexofenadine

CAS: 83799-24-0 | C32H39NO4

2D Structure

3D Structure

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Basic Information

CAS Registry Number: 83799-24-0
Molecular Formula: C32H39NO4
Molecular Mass: 501.67 g/mol

Names and Synonyms:

Fexofenadine
Benzeneacetic acid, 4-[1-hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α-dimethyl-
4-[1-Hydroxy-4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]butyl]-α,α-dimethylbenzeneacetic acid
Terfenadine acid metabolite
MDL 16455
Carboxyterfenadine
Terfenadine carboxylate
Fexofenadine
4-[4-[4-(Hydroxydiphenylmethyl)-1-piperidinyl]-1-hydroxybutyl]-α,α-dimethylphenylacetic acid
Telfast 120
Fexet
2-(4-[1-Hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl)-2-methylpropanoic acid
2-(4-[1-Hydroxy-4-[4-(hydroxy-diphenyl-methyl)-piperidin-1-yl]-butyl]-phenyl)-2-methyl-propionic acid

Identifiers:

SMILES:
CC(C)(C(=O)O)c1ccc(C(O)CCCN2CCC(C(O)(c3ccccc3)c3ccccc3)CC2)cc1
InChI:
InChI=1S/C32H39NO4/c1-31(2,30(35)36)25-17-15-24(16-18-25)29(34)14-9-21-33-22-19-28(20-23-33)32(37,26-10-5-3-6-11-26)27-12-7-4-8-13-27/h3-8,10-13,15-18,28-29,34,37H,9,14,19-23H2,1-2H3,(H,35,36)

Key Properties

Melting Point
142.5 °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 501.67 g/mol CAS Common Chemistry
501.66700000000014 g/mol RDKit
501.287908728 g/mol RDKit
Canonical SMILES O=C(O)C(C1=CC=C(C=C1)C(O)CCCN2CCC(CC2)C(O)(C=3C=CC=CC3)C=4C=CC=CC4)(C)C CAS Common Chemistry
InChI InChI=1S/C32H39NO4/c1-31(2,30(35)36)25-17-15-24(16-18-25)29(34)14-9-21-33-22-19-28(20-23-33)32(37,26-10-5-3-6-11-26)27-12-7-4-8-13-27/h3-8,10-13,15-18,28-29,34,37H,9,14,19-23H2,1-2H3,(H,35,36) CAS Common Chemistry
InChI Key InChIKey=RWTNPBWLLIMQHL-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 142.5 °C CAS Common Chemistry
Name Fexofenadine CAS Common Chemistry
Heavy Atom Count 37 RDKit
Hydrogen Bond Acceptors 4 RDKit
Hydrogen Bond Donors 3 RDKit
Rotatable Bonds 10 RDKit
Aromatic Ring Count 3 RDKit
Topological Polar Surface Area 81.0 Ų RDKit
LogP 5.510500000000006 RDKit
Molar Refractivity 146.3443999999998 RDKit

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