ChemicalBook > CAS DataBase List > estra-1,3,5(10),7-tetraene-3,17alpha-diol

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

Product Name
estra-1,3,5(10),7-tetraene-3,17alpha-diol
CAS No.
651-55-8
Chemical Name
estra-1,3,5(10),7-tetraene-3,17alpha-diol
Synonyms
17a-Form;α-Equilol;dihydroequilin;α-Dihydroequilin;Equilin Impurity 4;17-α-Dihydroequilin;17-alfa-Dihydroequilin;7-Dehydro-17α-Estradiol;Equilin 17α-Dihydro Impurity;17Α-DIHYDROEQUILIN CAS# 651-55-8:
CBNumber
CB0881432
Molecular Formula
C18H22O2
Formula Weight
270.37
MOL File
651-55-8.mol
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estra-1,3,5(10),7-tetraene-3,17alpha-diol Property

Melting point:
205.5-205.6°
alpha 
D20 +213° (ethanol)
Boiling point:
457.8±45.0 °C(Predicted)
Density 
1.22±0.1 g/cm3(Predicted)
storage temp. 
-20°C Freezer
solubility 
DMSO (Slightly), Ethanol (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
pka
pKa 10.29±0.02(H2O t=23±2)(Approximate)
color 
White to Off-White
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Safety

Hazard Codes 
Xi
Risk Statements 
36/38
Safety Statements 
26
HS Code 
2937230000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
Y0000053
Product name
17α-Dihydroequilin
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
10 mg
Price
$156
Updated
2025/07/31
Sigma-Aldrich
Product number
Y0000053
Product name
17α-Dihydroequilin
Purity
European Pharmacopoeia (EP) Reference Standard
Packaging
y0000053
Price
$153
Updated
2024/03/01
Sigma-Aldrich
Product number
1201002
Product name
17α-Dihydroequilin
Packaging
50mg
Price
$590
Updated
2024/03/01
TRC
Product number
D449470
Product name
17α-DihydroEquilin
Packaging
1mg
Price
$65
Updated
2021/12/16
TRC
Product number
D449470
Product name
17α-DihydroEquilin
Packaging
5mg
Price
$215
Updated
2021/12/16
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estra-1,3,5(10),7-tetraene-3,17alpha-diol Chemical Properties,Usage,Production

Chemical Properties

White Solid

Uses

A metabolite of Equilin (E592800).

Definition

ChEBI: Estra-1,3,5(10),7-tetraene-3,17alpha-diol is a 17-hydroxy steroid.

estra-1,3,5(10),7-tetraene-3,17alpha-diol Preparation Products And Raw materials

Raw materials

Preparation Products

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

Canada 1 China 16 India 3 United Kingdom 2 United States 3 Global 25
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16314854226
Email
info@bocsci.com
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United States
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United States
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651-55-8, estra-1,3,5(10),7-tetraene-3,17alpha-diolRelated Search:

1,3,5(10), 7-ESTRATETRAEN-3,17-ALPHA-DIOL 3-SULPHATE, SODIUM SALT estra-1,3,5(10),7-tetraene-3,17alpha-diol

  • estra-1,3,5(10),7-tetraene-3,17alpha-diol
  • dihydroequilin
  • (17α)-Estra-1,3,5(10),7-tetraene-3,17-diol
  • Estra-1,3,5(10),7-tetraene-3,17α-diol
  • α-Equilol
  • 17a-Form
  • Equilin 17α-Dihydro Impurity
  • 17-alfa-Dihydroequilin
  • Estra-1,3,5(10),7-tetraene-3,17-diol, (17α)-
  • 17-α-Dihydroequilin
  • 17Α-DIHYDROEQUILIN CAS# 651-55-8:
  • Equilin Impurity 4
  • 17-α-Dihydro EquilinQ: What is 17-α-Dihydro Equilin Q: What is the CAS Number of 17-α-Dihydro Equilin Q: What is the storage condition of 17-α-Dihydro Equilin Q: What are the applications of 17-α-Dihydro Equilin
  • Conjugated Estrogens EP Impurity K
  • estra-1,3,5(10),7-tetraene-3,17α-diol(17α-dihydroequilin)
  • 1, 3, 5(10), 7-ESTRATETRAEN-3, 17α-DIOL
  • 7-Dehydro-17α-Estradiol
  • (9S,13S,14S,17R)-13-methyl-9,11,12,13,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol
  • α-Dihydroequilin
  • 651-55-8
  • Intermediates & Fine Chemicals
  • Metabolites & Impurities
  • Pharmaceuticals
  • Steroids