4,16a-Dibromoestrone

Modify Date: 2026-07-17 08:05:37

4,16a-Dibromoestrone Structure
4,16a-Dibromoestrone structure
Common Name 4,16a-Dibromoestrone
CAS Number 81072-41-5 Molecular Weight 428.15800
Density 1.63g/cm3 Boiling Point 489.433ºC at 760 mmHg
Molecular Formula C18H20Br2O2 Melting Point N/A
MSDS N/A Flash Point 249.801ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4,16α-Dibromo Estrone
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.63g/cm3
Boiling Point 489.433ºC at 760 mmHg
Molecular Formula C18H20Br2O2
Molecular Weight 428.15800
Flash Point 249.801ºC
Exact Mass 425.98300
PSA 37.30000
LogP 4.95330
Index of Refraction 1.63
InChIKey WALNGSHUZXVAOU-BUSPIDHKSA-N
SMILES CC12CCC3c4ccc(O)c(Br)c4CCC3C1CC(Br)C2=O

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~13%

4,16a-Dibromoestrone Structure

4,16a-Dibromoestrone

CAS#:81072-41-5

Detail Learn More
Literature: Numazawa, Mitsuteru; Nagaoka, Masao; Tsuji, Masachika; Osawa, Yoshio Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , # 1 p. 121 - 125

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4,16a-Dibromoestrone Structure

4,16a-Dibromoestrone

CAS#:81072-41-5

Detail Learn More
Literature: Numazawa, Mitsuteru; Nagaoka, Masao; Tsuji, Masachika; Osawa, Yoshio Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1983 , # 1 p. 121 - 125

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  1

DownStream  0

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

4,16a-Dibromo-3-hydroxyestra-1,3,5(10)-trien-17-one
(16a)-4,16-Dibromo-3-hydroxyestra-1,3,5(10)-trien-17-one
4,16a-Dibromoestrone

 4,16a-Dibromoestrone | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What are the upstream materials of 4,16α-Dibromo Estrone?
A: Related upstream materials(CAS) of 4,16α-Dibromo Estrone: 53-16-7.
Q: What is the CAS number of 4,16α-Dibromo Estrone?
A: CAS number of 4,16α-Dibromo Estrone is 81072-41-5.
Q: What is the SMILES notation of 4,16α-Dibromo Estrone?
A: SMILES notation of 4,16α-Dibromo Estrone is CC12CCC3c4ccc(O)c(Br)c4CCC3C1CC(Br)C2=O.
Q: What English synonyms does 4,16α-Dibromo Estrone have?
A: English synonyms of 4,16α-Dibromo Estrone: 4,16a-Dibromo-3-hydroxyestra-1,3,5(10)-trien-17-one, (16a)-4,16-Dibromo-3-hydroxyestra-1,3,5(10)-trien-17-one, 4,16a-Dibromoestrone.
Q: What is the boiling point of 4,16α-Dibromo Estrone?
A: Boiling point of 4,16α-Dibromo Estrone is 489.433ºC at 760 mmHg.
Q: What is the English name of 4,16α-Dibromo Estrone?
A: The English name of 4,16α-Dibromo Estrone is 4,16α-Dibromo Estrone.
Q: What is the molecular weight of 4,16α-Dibromo Estrone?
A: Molecular weight of 4,16α-Dibromo Estrone is 428.15800.
Q: What is the LogP of 4,16α-Dibromo Estrone?
A: LogP of 4,16α-Dibromo Estrone is 4.95330.
Q: What is the polar surface area (PSA) of 4,16α-Dibromo Estrone?
A: Polar surface area (PSA) of 4,16α-Dibromo Estrone is 37.30000.
Q: What is the molecular formula of 4,16α-Dibromo Estrone?
A: Molecular formula of 4,16α-Dibromo Estrone is C18H20Br2O2.

 4,16a-Dibromoestronefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Dayang Chem (Hangzhou) Co., Ltd.
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