CAS 640-87-9: 21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione
Formula:C23H32O5
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
InChI key:InChIKey=HPAKILCZTKWIFK-JZTHCNPZSA-N
SMILES:O=C(OCC(=O)C1(O)CCC2C3CCC4=CC(=O)CCC4(C)C3CCC21C)C
- Synonyms:
- 11-Deoxycortisol 21-acetate
- 17,21-Dihydroxypregn-4-ene-3,20-dione 21-acetate
- 17-Alpha,21-Dihydroxypregn-4-Ene-3,20-Dione 21-Acetate
- 17-Hydroxy-21-acetoxyprogesterone
- 17-Hydroxy-3,20-Dioxopregn-4-En-21-Yl Acetate
- 17α-Hydroxy-11-deoxycorticosterone-21-acetate
- 21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione
- 21-Acetoxy-17-hydroxypregn-4-ene-3,20-dione
- 21-Acetoxy-17α-hydroxyprogesterone
- 4-Pregnene-17α,21-diol-3,20-dione 21-acetate
- See more synonyms
- Cortexolone 21-acetate
- Corticosterone,11-deoxy-17-hydroxy-, 21-acetate
- Cortodoxon 21-acetate
- NSC 81196
- Pregn-4-ene-3,20-dione, 21-(acetyloxy)-17-hydroxy-
- Pregn-4-ene-3,20-dione,17,21-dihydroxy-, 21-acetate
- RSA
- Reichstein substance S 21-acetate
- Reichstein's substance S acetate
- Reichstein-S-acetate

21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione
CAS:640-87-9
Formula:
C23H32O5
Purity:
99%
Color and Shape:
Solid
Molecular weight:
388.49718
Ref: IN-DA00JNTF
1g | 97.00 € | ||
5g | 204.00 € | ||
25g | 574.00 € | ||
100g | To inquire | ||
250mg | 49.00 € |
Estimated delivery in United States, on Wednesday 9 Apr 2025

Ref: 54-OR1028743
1g | 71.00 € | ||
5g | 224.00 € | ||
25g | 631.00 € | ||
100g | 1,603.00 € | ||
250mg | 32.00 € |
Estimated delivery in United States, on Thursday 10 Apr 2025

Hydrocortisone EP Impurity K
CAS:640-87-9
Formula:
C23H32O5
Color and Shape:
White To Off-White Solid
Molecular weight:
388.51
Ref: 4Z-C-2727
5mg | 456.00 € | ||
10mg | 780.00 € | ||
25mg | 1,288.00 € | ||
50mg | 2,237.00 € | ||
100mg | 3,524.00 € |
Estimated delivery in United States, on Thursday 10 Apr 2025

21-(Acetyloxy)-17-hydroxypregn-4-ene-3,20-dione
CAS:640-87-9
Formula:
C23H32O5
Purity:
>97.0%(HPLC)
Color and Shape:
White to Almost white powder to crystal
Molecular weight:
388.50
Ref: 3B-A3212
1g | 63.00 € | ||
5g | 184.00 € |
Estimated delivery in United States, on Monday 14 Apr 2025

17-Hydroxy-3,20-dioxopregn-4-en-21-yl Acetate (Reichstein's Substance S 21-Acetate)
Controlled ProductCAS:640-87-9
Formula:
C23H32O5
Color and Shape:
Neat
Molecular weight:
388.4972
Ref: 86-MM0185.27-0025
25mg | To inquire |
Estimated delivery in United States, on Monday 14 Apr 2025

17a-Hydroxy-11-deoxycorticosterone-21-acetate
Controlled ProductCAS:640-87-9
Impurity Hydrocortisone EP Impurity K Applications 17α-Hydroxy-11-deoxycorticosterone-21-acetate (Hydrocortisone EP Impurity K) is an acetate substance …
Formula:
C23H32O5
Color and Shape:
White
Molecular weight:
388.4972
Ref: TR-H934800
1g | 940.00 € | ||
50mg | 328.00 € | ||
500mg | 619.00 € |
Estimated delivery in United States, on Monday 21 Apr 2025

11-Deoxy-17-hydrocorticosterone 21-acetate
Controlled ProductCAS:640-87-9
Please enquire for more information about 11-Deoxy-17-hydrocorticosterone 21-acetate including the price, delivery time and more …
Formula:
C23H32O5
Purity:
Min. 95%
Color and Shape:
White Powder
Molecular weight:
388.5 g/mol
Ref: 3D-FD67118
1g | 300.00 € | ||
2g | 395.00 € | ||
5g | 627.00 € | ||
10g | 950.00 € | ||
25g | 1,679.00 € |
Estimated delivery in United States, on Tuesday 22 Apr 2025