estra-1,3,5(10),7-tetraene-3,17alpha-diol

Modify Date: 2026-08-16 21:59:53

estra-1,3,5(10),7-tetraene-3,17alpha-diol Structure
estra-1,3,5(10),7-tetraene-3,17alpha-diol structure
Common Name estra-1,3,5(10),7-tetraene-3,17alpha-diol
CAS Number 651-55-8 Molecular Weight 270.36600
Density 1.23g/cm3 Boiling Point 457.798ºC at 760 mmHg
Molecular Formula C18H22O2 Melting Point N/A
MSDS N/A Flash Point 217.155ºC
Symbol GHS07
GHS07
Signal Word Warning

 Names

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

Name 17α-Dihydroequilin
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 1.23g/cm3
Boiling Point 457.798ºC at 760 mmHg
Molecular Formula C18H22O2
Molecular Weight 270.36600
Flash Point 217.155ºC
Exact Mass 270.16200
PSA 40.46000
LogP 3.52930
Index of Refraction 1.637
InChIKey NLLMJANWPUQQTA-SPUZQDLCSA-N
SMILES CC12CCC3C(=CCc4cc(O)ccc43)C1CCC2O

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319
Precautionary Statements P305 + P351 + P338
RIDADR NONH for all modes of transport

 Synthetic Route

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

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estra-1,3,5(10),7-tetraene-3,17alpha-diol Structure

estra-1,3,5(10)...

CAS#:651-55-8

Learn More
Literature: Journal of Biological Chemistry, , vol. 185, p. 267,269

 Precursor & DownStream

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

Precursor  1

DownStream  0

 Articles25

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Comparison of the proliferative effects of estradiol and conjugated equine estrogens on human breast cancer cells and impact of continuous combined progestogen addition.

Climacteric 6(3) , 221-7, (2003)

So far, most epidemiological studies investigating breast cancer risk and hormone replacement therapy have been conducted with conjugated equine estrogens (CEE). Recent trials indicate that the additi...

Ozonation of a mixture of estrogens and progestins in aqueous solution: interpretation of experimental results by computational methods.

Chemosphere 89(11) , 1323-9, (2012)

The degradation of the mixture of steroid hormones including seven estrogens (17α-estradiol, 17β-estradiol, 17α-dihydroequilin, 17α-ethinyl estradiol, estriol, estrone and equilin) and five progestins...

Free synthetic and natural estrogen hormones in influent and effluent of three municipal wastewater treatment plants.

Water Environ. Res. 79(9) , 969-74, (2007)

Three municipal wastewater treatment plants (WWTPs) in southeastern Pennsylvania were sampled to determine the presence and concentrations of 12 natural and synthetic estrogen hormones in the wastewat...

 Synonyms

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

(17α)-Estra-1,3,5(10),7-tetraene-3,17-diol

  | FAQ

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

Q: What is the CAS number of 17α-Dihydroequilin?
A: CAS number of 17α-Dihydroequilin is 651-55-8.
Q: What English synonyms does 17α-Dihydroequilin have?
A: English synonyms of 17α-Dihydroequilin: (17α)-Estra-1,3,5(10),7-tetraene-3,17-diol.
Q: What is the polar surface area (PSA) of 17α-Dihydroequilin?
A: Polar surface area (PSA) of 17α-Dihydroequilin is 40.46000.
Q: What is the molecular formula of 17α-Dihydroequilin?
A: Molecular formula of 17α-Dihydroequilin is C18H22O2.
Q: What are the upstream materials of 17α-Dihydroequilin?
A: Related upstream materials(CAS) of 17α-Dihydroequilin: 474-86-2.
Q: What is the InChIKey of 17α-Dihydroequilin?
A: InChIKey of 17α-Dihydroequilin is NLLMJANWPUQQTA-SPUZQDLCSA-N.
Q: What is the Chinese name of 651-55-8?
A: Chinese name of 651-55-8 is α-Equilol.
Q: What is the boiling point of 17α-Dihydroequilin?
A: Boiling point of 17α-Dihydroequilin is 457.798ºC at 760 mmHg.
Q: What is the molecular weight of 17α-Dihydroequilin?
A: Molecular weight of 17α-Dihydroequilin is 270.36600.
Q: What is the English name of 17α-Dihydroequilin?
A: The English name of 17α-Dihydroequilin is 17α-Dihydroequilin.

 factory

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

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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