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21-(Acetyloxy)-17-Hydroxypregn-4-Ene-3,20-Dione

CAS: 640-87-9 | C23H32O5

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 640-87-9
Molecular Formula: C23H32O5
Molecular Mass: 388.50 g/mol

Names and Synonyms:

21-(Acetyloxy)-17-Hydroxypregn-4-Ene-3,20-Dione
Pregn-4-ene-3,20-dione, 21-(acetyloxy)-17-hydroxy-
Pregn-4-ene-3,20-dione, 17,21-dihydroxy-, 21-acetate
Corticosterone, 11-deoxy-17-hydroxy-, 21-acetate
21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione
Reichstein-S-acetate
Reichstein's substance S acetate
Reichstein's substance S 21-acetate
21-Acetoxy-17-hydroxypregn-4-ene-3,20-dione
4-Pregnene-17α,21-diol-3,20-dione 21-acetate
17,21-Dihydroxypregn-4-ene-3,20-dione 21-acetate
17α-Hydroxy-11-deoxycorticosterone-21-acetate
Reichstein substance S 21-acetate
17-Hydroxy-21-acetoxyprogesterone
11-Deoxycortisol 21-acetate
Cortodoxon 21-acetate
21-Acetoxy-17α-hydroxyprogesterone
NSC 81196
Cortexolone 21-acetate

Identifiers:

SMILES:
CC(=O)OCC(=O)[C@@]1(O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(C)[C@H]3CC[C@@]21C
InChI:
InChI=1S/C23H32O5/c1-14(24)28-13-20(26)23(27)11-8-19-17-5-4-15-12-16(25)6-9-21(15,2)18(17)7-10-22(19,23)3/h12,17-19,27H,4-11,13H2,1-3H3/t17-,18+,19+,21+,22+,23+/m1/s1

Key Properties

Melting Point
235-238 °C CAS Common Chemistry
Density
1.40 g/cm³ 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 388.50 g/mol CAS Common Chemistry
388.50400000000025 g/mol RDKit
388.224974124 g/mol RDKit
Density 1.40 g/cm³ CAS Common Chemistry
1.4 g/cm3 CAS Common Chemistry
Canonical SMILES O=C(OCC(=O)C1(O)CCC2C3CCC4=CC(=O)CCC4(C)C3CCC21C)C CAS Common Chemistry
InChI InChI=1S/C23H32O5/c1-14(24)28-13-20(26)23(27)11-8-19-17-5-4-15-12-16(25)6-9-21(15,2)18(17)7-10-22(19,23)3/h12,17-19,27H,4-11,13H2,1-3H3/t17-,18+,19+,21+,22+,23+/m1/s1 CAS Common Chemistry
InChI Key InChIKey=HPAKILCZTKWIFK-JZTHCNPZSA-N CAS Common Chemistry
Melting Point 235-238 °C CAS Common Chemistry
Name 21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione CAS Common Chemistry
Heavy Atom Count 28 RDKit
Hydrogen Bond Acceptors 5 RDKit
Hydrogen Bond Donors 1 RDKit
Rotatable Bonds 3 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 80.67000000000002 Ų RDKit
LogP 3.3816000000000024 RDKit
Molar Refractivity 103.29980000000005 RDKit

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