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

J & K SCIENTIFIC LTD.

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Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd

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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