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Product Name: Estra-1,3,5(10)-triene-3,17-diol,4-fluoro-, (17b)-(9CI)
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1881-37-4

1881-37-4 structure

1881-37-4 structure

Name: Estra-1,3,5(10)-triene-3,17-diol,4-fluoro-, (17b)-(9CI)
Chemical Name: (8R,9S,13S,14S)-4-fluoro-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
CAS Number: 1881-37-4
Molecular Formula: C₁₈H₂₃FO₂
Molecular Weight: 290.37200
Create Date: 2016-06-30 05:09:05
Modify Date: 2025-10-03 22:49:35

Name	(8R,9S,13S,14S)-4-fluoro-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
Synonyms	N-triisopropylsilyl-4-fluoro-7-azaindole 4-Fluoroestradiol 1-triisopropyl-4-fluoro-7-azaindole

Density	1.225g/cm3
Boiling Point	427.1ºC at 760mmHg
Molecular Formula	C₁₈H₂₃FO₂
Molecular Weight	290.37200
Flash Point	212.1ºC
Exact Mass	290.16800
PSA	40.46000
LogP	3.74830
Vapour Pressure	4.7E-08mmHg at 25°C
Index of Refraction	1.586

CHEMICAL IDENTIFICATION

RTECS NUMBER :: KG7535000

CHEMICAL NAME :: Estra-1,3,5(10)-triene-3,17-beta-diol, 4-fluoro-

CAS REGISTRY NUMBER :: 1881-37-4

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C18-H23-F-O2

MOLECULAR WEIGHT :: 290.41

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Implant

SPECIES OBSERVED :: Rodent - hamster

DOSE/DURATION :: 360 mg/kg/15W-I

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Kidney, Ureter, Bladder - Kidney tumors

REFERENCE :: MOPMA3 Molecular Pharmacology. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1965- Volume(issue)/page/year: 23,278,1983

50-28-2 structure

50-28-2

~20%

1881-37-4 structure

1881-37-4

16205-32-6 structure

16205-32-6

Literature: Hebel, David; Kirk, Kenneth L. Journal of Fluorine Chemistry, 1990 , vol. 47, p. 179 - 183

Precursor 1
50-28-2
DownStream 0

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