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4-hydroxyestrone

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Origin: China

Cas No: 3131-23-5

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 3131-23-5 Formula: C18H22O3 Molecular Weight: 286.36500

Description

A metabolite of Estradiol.

Basic Info

Chemical Name	4-hydroxyestrone
Synonyms	4-Hydroxy Estrone; (8R,9S,13S,14S)-3,4-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one; 4-HydroxyEstrone;
CAS No.	3131-23-5
Molecular Formula	C18H22O3
Molecular Weight	286.36500
PSA	57.53000
LogP	3.52300

Properties

Density	1.241g/cm3
Boiling Point	468.2ºC at 760mmHg
Melting Point	260-263ºC
Flash Point	251.1ºC
Refractive Index	1.61
Storage Condition	-20ºC

Safety Info

RTECS	KG7749500
WGK Germany	3

Synthesis Route

estrone→4-hydroxyestrone+2-hydroxyestrone
estrone→4-hydroxyestrone+2-hydroxyestrone
4,5-Epoxy-5β-estra-1-ene-3,17-dione→4-hydroxyestrone

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Oral	TDLo - Lowest published toxic dose	Rodent - rat	30 mg/kg,female 1-6 day(s) after conception	1.Reproductive-Fertility-post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

Precursor

4,5-Epoxy-5β-estra-1-ene-3,17-dione
sodium salt of estrone
estrone
2-(N-ethyl-3-methyl-4-nitrosoanilino)ethanol

Downstream Product

4-hydroxy-17β-estradiol
4-hydroxy-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one
(8R,9S,13S,14S)-3-hydroxy-4-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one
3,4-Dimethoxy-1,3,5(10)-estratrien-17-one

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