Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI)

Modify Date: 2025-08-27 18:00:55

Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) Structure
Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) structure
 Common Name Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI)
CAS Number 337-02-0 Molecular Weight 396.45000
Density 1.39g/cm3 Boiling Point 585.2ºC at 760mmHg
Molecular Formula C21H29FO6 Melting Point N/A
MSDS N/A Flash Point 307.7ºC

 Names

Name Corticosterone, 9-fluoro-16.α.,17-dihydroxy
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.39g/cm3
Boiling Point 585.2ºC at 760mmHg
Molecular Formula C21H29FO6
Molecular Weight 396.45000
Flash Point 307.7ºC
Exact Mass 396.19500
PSA 115.06000
LogP 0.84450
Index of Refraction 1.6

 Synthetic Route

Triamcinolone structure

Triamcinolone

CAS#:124-94-7

~87%

Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) Structure

Pregn-4-ene-3,2...

CAS#:337-02-0

Literature: Thalen, Arne; Wickstroem, Lars-Inge Steroids, 2000 , vol. 65, # 1 p. 16 - 23
16α,21-Diacetoxy-9α-fluor-11β,17α-dihydroxy-pregn-4-en-3,20-dion structure

16α,21-Diacetox...

CAS#:2967-24-0

~%

Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) Structure

Pregn-4-ene-3,2...

CAS#:337-02-0

Literature: Bernstein et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 1256 Full Text View citing articles Show Details Heller et al. Journal of Organic Chemistry, 1961 , vol. 26, p. 5036,5041
16β,21-diacetoxy-9,11β-epoxy-17-hydroxy-9β-pregn-4-ene-3,20-dione structure

16β,21-diacetox...

CAS#:98422-57-2

~%

Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) Structure

Pregn-4-ene-3,2...

CAS#:337-02-0

Literature: Bernstein et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 1696,1699
16α,21-Diacetoxy-9α-fluoro-11β,17α-dihydroxpregn-4-ene-3,20-dione structure

16α,21-Diacetox...

CAS#:426-39-1

~%

Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) Structure

Pregn-4-ene-3,2...

CAS#:337-02-0

Literature: Bernstein et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 1696,1699
21-Hydroxypregna-4,9(11),16-triene-3,20-dione 21-acetate structure

21-Hydroxypregn...

CAS#:23460-76-6

~%

Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) Structure

Pregn-4-ene-3,2...

CAS#:337-02-0

Literature: Bernstein et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 1696,1699
16alpha,17,21-trihydroxypregna-4,9(11)-diene-3,20-dione 21-acetate structure

16alpha,17,21-t...

CAS#:74220-43-2

~%

Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) Structure

Pregn-4-ene-3,2...

CAS#:337-02-0

Literature: Bernstein et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 1696,1699
N/A structure

N/A

CAS#:91160-85-9

~%

Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) Structure

Pregn-4-ene-3,2...

CAS#:337-02-0

Literature: Bernstein et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 1696,1699
N/A structure

N/A

CAS#:98632-54-3

~%

Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) Structure

Pregn-4-ene-3,2...

CAS#:337-02-0

Literature: Bernstein et al. Journal of the American Chemical Society, 1959 , vol. 81, p. 1696,1699
fludrocortisone structure

fludrocortisone

CAS#:127-31-1

~%

Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI) Structure

Pregn-4-ene-3,2...

CAS#:337-02-0

Literature: Thoma et al. Journal of the American Chemical Society, 1957 , vol. 79, p. 4818

 Synonyms

Triamcinolone impurity C
9-fluoro-11beta,16alpha,17,21-tetrahydroxypregn-4-ene-3,20-dione
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Chemsrc provides CAS#:337-02-0 MSDS, density, melting point, boiling point, structure, etc. Its name is Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI)>> amp version: Pregn-4-ene-3,20-dione,9-fluoro-11,16,17,21-tetrahydroxy-, (11b,16a)- (9CI)

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