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Nilestriol

CAS: 39791-20-3 | C25H32O3

2D Structure

3D Structure

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Basic Information

CAS Registry Number: 39791-20-3
Molecular Formula: C25H32O3
Molecular Mass: 380.53 g/mol

Names and Synonyms:

Nilestriol
19-Norpregna-1,3,5(10)-trien-20-yne-16,17-diol, 3-(cyclopentyloxy)-, (16α,17α)-
(16α,17α)-3-(Cyclopentyloxy)-19-norpregna-1,3,5(10)-trien-20-yne-16,17-diol
17α-Ethynylestriol 3-cyclopentyl ether
3-Cyclopentyloxy-19-nor-17α-pregna-1,3,5(10)-trien-20-yne-16α,17β-diol
Nylestriol
EE3CPE
Nilestriol
WeiNiAn

Identifiers:

SMILES:
C#C[C@]1(O)[C@H](O)C[C@H]2[C@@H]3CCc4cc(OC5CCCC5)ccc4[C@H]3CC[C@@]21C
InChI:
InChI=1S/C25H32O3/c1-3-25(27)23(26)15-22-21-10-8-16-14-18(28-17-6-4-5-7-17)9-11-19(16)20(21)12-13-24(22,25)2/h1,9,11,14,17,20-23,26-27H,4-8,10,12-13,15H2,2H3/t20-,21-,22+,23-,24+,25+/m1/s1

Key Properties

Melting Point
162-165 °C @ Solvent: Diethyl ether, Hexane 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 380.53 g/mol CAS Common Chemistry
380.5280000000002 g/mol RDKit
380.23514488399996 g/mol RDKit
Canonical SMILES C#CC1(O)C(O)CC2C3CCC4=CC(OC5CCCC5)=CC=C4C3CCC21C CAS Common Chemistry
InChI InChI=1S/C25H32O3/c1-3-25(27)23(26)15-22-21-10-8-16-14-18(28-17-6-4-5-7-17)9-11-19(16)20(21)12-13-24(22,25)2/h1,9,11,14,17,20-23,26-27H,4-8,10,12-13,15H2,2H3/t20-,21-,22+,23-,24+,25+/m1/s1 CAS Common Chemistry
InChI Key InChIKey=CHZJRGNDJLJLAW-RIQJQHKOSA-N CAS Common Chemistry
Melting Point 162-165 °C @ Solvent: Diethyl ether, Hexane CAS Common Chemistry
Name Nilestriol CAS Common Chemistry
Heavy Atom Count 28 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 2 RDKit
Rotatable Bonds 2 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 49.69 Ų RDKit
LogP 4.199200000000004 RDKit
Molar Refractivity 109.11560000000007 RDKit

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