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

More

Less

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

More

Less

Safety

Hazard Codes: Xi
Risk Statements: 36/38
Safety Statements: 26
HS Code: 2937230000

More

Less

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.

More

Less

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

More

Less

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

More

Less

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.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
Advantage: 76

Chemsky（shanghai）International Co.,Ltd.

Tel: 021-50135380
Email: shchemsky@sina.com
Country: China
ProdList: 32321
Advantage: 50

Sinopharm Chemical Reagent Co,Ltd.

Tel: 86-21-63210123
Fax: 86-21-63290778 86-21-63218885
Email: sj_scrc@sinopharm.com
Country: China
ProdList: 9815
Advantage: 79

Shenzhen Polymeri Biochemical Technology Co., Ltd.

Tel: +86-400-002-6226 +86-13028896684;
Email: sales@rrkchem.com
Country: China
ProdList: 57422
Advantage: 58

AFINE CHEMICALS LIMITED

Tel: +86-0571-85134551
Fax: 008657185134895
Email: sales@afinechem.com
Country: China
ProdList: 15106
Advantage: 58

Zhuhai Anzhe Biotechnology Co,Ltd.

Tel: 13169972583
Email: 513211116@qq.com
Country: China
ProdList: 3005
Advantage: 58

QUALITY CONTROL SOLUTIONS LTD.

Tel: +86-0755-66853366 +86-13670046396
Email: export03@qcsrm.com
Country: China
ProdList: 24342
Advantage: 58

LGC Science (Shanghai) Ltd.

Tel: 17717235263
Email: cindy.yang@lgcgroup.com
Country: China
ProdList: 18003
Advantage: 58

Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd

Tel: 18162595016; 18162595016
Email: 3287908757@qq.com
Country: China
ProdList: 9119
Advantage: 58

Nanjing Shizhou Biology Technology Co.,Ltd

Tel: 17301488900
Fax: 025-85560043
Email: judy.xia@synzest.com
Country: China
ProdList: 12582
Advantage: 58

BePure (Beijing) Biotechnology Co.

Tel: 58896805
Email: 7993601name@qq.com
Country: CHINA
ProdList: 6620
Advantage: 58

Shanghai Weiyite Biotechnology Co., Ltd

Tel: 15317051735
Email: zhaojing@wytsci.com
Country: China
ProdList: 9980
Advantage: 58

Biosynth Biological Technology (Suzhou) Co Ltd

Tel: 51288865780
Email: sales@biosynth.com
Country: China
ProdList: 6051
Advantage: 58

Santa Cruz Biotechnology Inc

Tel: 021-60936350
Email: scbt@scbt.com
Country: China
ProdList: 6594
Advantage: 58

Absin Bioscience Inc.

Tel: --
Fax: --
Email: chenjw@absin.cn
Country: CHINA
ProdList: 6208
Advantage: 58

Shanghai Hao Zhun Biological Technology Co., Ltd.

Tel: --
Fax: --
Email: info@zzsrm.com
Country: CHINA
ProdList: 6650
Advantage: 58

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