top Ethynyl estradiol CAS NO.57-63-6

FOB Price:: USD 1.00-1.00 /Gram Get Latest Price

Min.Order Quantity:: 1 Gram

Purity:: 99% min

Port:: China main port

Payment Terms:: L/C,T/T,

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Product Details

Keywords

Ethynyl estradiol
high purity Ethynyl estradiol
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Quick Details

ProName: top Ethynyl estradiol
CasNo: 57-63-6
Molecular Formula: C20H24O2
Appearance: white to light yellow crystal powder
Application: Pharmaceutical intermediates
DeliveryTime: With about 7-10 days after receipt the...
PackAge: as you requested
Port: China main port
ProductionCapacity: 10 Kilogram/Day
Purity: 99% min
Storage: Room temperature
Transportation: by courier
LimitNum: 1 Gram
Transportation: by courier

Superiority

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1.noble metal catalysts (pt.pd...)

2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)

3.oled intermediates (fluorene,carbazole,boric acid...)

4.customs synthesis

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Details

product name:	ethynyl estradiol
synonyms:	19-norpregna-1,3,5(10)-trien-20-yne-3,17alpha-diol;19-nor-1,3,5[10],17alpha-pregnatrien-20-yne-3,17-diol;1,3,5(10)-estratrien-17-alpha-ethynyl-3,17-beta-diol;acetenyl estradiol;(17-alpha)-19-norpregna-1,3,5(10)-trien-20-yne-3,17,diol;17-alpha-ethinyl-17-beta-estradiol;17alpha-ethinyl-17beta-estradiol;17-alpha-ethinyl-3,17-dihydroxy-delta(sup1,3,5)-estratriene
cas:	57-63-6
mf:	c20h24o2
mw:	296.4
einecs:	200-342-2
product categories:	alcohols and derivatives;steroids;acetylenes;biochemistry;functionalized acetylenes;hydroxysteroids;intermediates & fine chemicals;metabolites & impurities;pharmaceuticals;progestogen estrogen;estinyl;hormone drugs;inhibitors
mol file:	57-63-6.mol

ethynyl estradiol chemical properties

melting point	182-183 °c(lit.)
refractive index	-30 ° (c=0.4, pyridine)
fp	9℃
storage temp.	-20°c freezer
solubility	ethanol: 50 mg/ml, clear, slightly yellow
merck	14,3734
inchikey	bfpywidhmrzlrn-slhncblasa-n
cas database reference	57-63-6(cas database reference)
nist chemistry reference	ethinyl estradiol(57-63-6)
epa substance registry system	19-norpregna-1,3, 5(10)-trien-20-yne-3,17-diol, (17.alpha.)-(57-63-6)

safety information

hazard codes	t,f
risk statements	45-22-39/23/24/25-23/24/25-11
safety statements	53-36/37/39-45-36/37-16
ridadr	un1230 - class 3 - pg 2 - methanol, solution
wgk germany	3
rtecs	rc8925000
f	8
hs code	29372390
hazardous substances data	57-63-6(hazardous substances data)

msds information

provider	language
17a-ethynyl-1,3,5(10)-estratriene-3,17b-diol	english
sigmaaldrich	english

ethynyl estradiol usage and synthesis

chemical properties	off-white to light-yellow crystalline powder
uses	a metabolite of 17a-ethynylestradiol
uses	a synthetic steroid with high oral estrogenic potency
uses	estrogen, plus progestogen as oral contraceptive
uses	a synthetic estradiol analog.
definition	chebi: a 3-hydroxy steroid that is estradiol substituted by a ethynyl group at position 17. it is a xenoestrogen synthesized from estradiol and has been shown to exhibit high estrogenic potency on oral administration.
general description	fine white to creamy white powder. a synthetic steroid. used in combination with progestogen as an oral contraceptive.
air & water reactions	air and light sensitive . insoluble in water.
reactivity profile	ethynyl estradiol may react vigorously with strong oxidizing agents. may react exothermically with reducing agents to generate gaseous hydrogen.
health hazard	acute/chronic hazards: when heated to decomposition ethynyl estradiol emits acrid smoke and fumes.
fire hazard	the flash point data for ethynyl estradiol are not available. ethynyl estradiol is probably combustible.