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Impurities and reference standards

Fluoroestradiol

Also known as 16Alpha-fluoro-17beta-estradiol, 16alpha-Fluoroestradiol, Fluoroestradiol, 16alpha-

CAS 92817-10-2Formula C18H23FO2Molar mass 290.38 g/mol
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Fluoroestradiol chemical structure, C18H23FO2, CAS 92817-10-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
92817-10-2
Formula
C18H23FO2
Molar mass
290.38 g/mol
HS code
290819
Category
Impurities and reference standards

What is Fluoroestradiol?

Plain description, key identifiers and synonyms

Fluoroestradiol is a chemical substance with the molecular formula C18H23FO2 and a molar mass of 290.38 g/mol. Its CAS registry number is 92817-10-2. The IUPAC name is (8R,9S,13S,14S,16R,17R)-16-fluoro-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(8R,9S,13S,14S,16R,17R)-16-fluoro-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
CAS number
92817-10-2 CAS number cross-checked
Molecular formula
C18H23FO2
UNII
LVI5P34A3C
InChIKey
KDLLNMRYZGUVMA-ZXXIGWHRSA-N
InChI
InChI=1S/C18H23FO2/c1-18-7-6-13-12-5-3-11(20)8-10(12)2-4-14(13)15(18)9-16(19)17(18)21/h3,5,8,13-17,20-21H,2,4,6-7,9H2,1H3/t13-,14-,15+,16-,17+,18+/m1/s1
Canonical SMILES
CC12CCC3c4ccc(O)cc4CCC3C1CC(F)C2O
Isomeric SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1C[C@H]([C@@H]2O)F)CCC4=C3C=CC(=C4)O

Synonyms

  • 16Alpha-fluoro-17beta-estradiol
  • 16alpha-Fluoroestradiol
  • Fluoroestradiol, 16alpha-
  • 16alpha-Fluoro-13beta-methyl-1,3,5(10)-gonatriene-3,17beta-diol
  • Estra-1,3,5(10)-triene-3,17-diol, 16-fluoro-, (16alpha,17beta)-
  • Estra-1,3,5(10)-triene-3,17-diol, 16-fluoro-, (16alpha,17.beta.)-
  • 16?-Fluoroestradiol
  • (8R,9S,13S,14S,16R,17R)-16-fluoro-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
  • Estradiol Impurity N2
  • (16?,17?)-16-Fluoroestra-1,3,5(10)-triene-3,17-diol

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
290.38 g/molcalc.
Exact mass
290.1682 Dacalc.
LogP (octanol/water)
3.56calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
21calc.
Rings
4calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
6calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc2c(c1)CCC1C2CCC2CCCC21

c1ccc2c(c1)CCC1C2CCC2CCCC21

4 rings, 17 atoms.

585 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Fluoroestradiol suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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Fluoroestradiol price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • antineoplastic agent
  • pharmaceutical

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Fluoroestradiol is traded under.

HS 2908.19Indicative HS code

Derivatives containing only halogen substituents and their salts, other

World exports in 2024
$452M
−8.2% vs 2023, imports $435M
2019 to 2024
Top exporters
  1. Jordan * partner reported36.5%
  2. Israel29.6%
  3. China6.5%
Top importers
  1. China58.6%
  2. South Korea10.3%
  3. United States5.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Fluoroestradiol is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Fluoroestradiol, based on the data on this page

What is Fluoroestradiol?

Fluoroestradiol is a chemical substance with the molecular formula C18H23FO2 and a molar mass of 290.38 g/mol. Its CAS registry number is 92817-10-2. The IUPAC name is (8R,9S,13S,14S,16R,17R)-16-fluoro-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol.

What is the CAS number of Fluoroestradiol?

The CAS registry number of Fluoroestradiol is 92817-10-2.

What is the molecular formula and weight of Fluoroestradiol?

The molecular formula of Fluoroestradiol is C18H23FO2 and its molar mass is 290.38 g/mol.

What is Fluoroestradiol used for?

Known uses and roles of Fluoroestradiol include antineoplastic agent and pharmaceutical.

Is Fluoroestradiol hazardous?

No GHS hazard classification for Fluoroestradiol is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Fluoroestradiol?

Fluoroestradiol is usually classified under HS code 290819 (Derivatives containing only halogen substituents and their salts, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fluoroestradiol?

Post a free request on CompoundList and suppliers of Fluoroestradiol will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Fluoroestradiol?

Suppliers quote Fluoroestradiol on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Fluoroestradiol

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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