A synthetic steroidal estrogen and a derivative of estradiol, Ethinylestradiol is used as a formulation in Combine oral contraceptives. Also known as EE2 it is used in the hormone replacement therapy in menopause , acne, and cancer (breat and prostrate). Reference standards of Ethinylestradiol API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Ethinylestradiol [catalogue_number] => PA 05 46000 [category_ids] => ,70,78,82,87, [chemical_name] => [weight] => 296.40 [form] => C20H24O2 [cas] => 57-63-6 [pslug] => 57-63-6-ethinylestradiol-api-pa0546000 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46000
CAS :
Molecular Formula : C20H24O2
Molecular Weight : 296.40
stdClass Object ( [pname] => Ethinylestradiol - Impurity B [catalogue_number] => PA 05 46020 [category_ids] => ,70,75,78,82,87, [chemical_name] => [weight] => 294.39 [form] => C20H22O2 [cas] => 1231-96-5 [pslug] => 1231-96-5-ethinylestradiol-impurity-b-pa0546020 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46020
Molecular Formula : C20H22O2
Molecular Weight : 294.39
stdClass Object ( [pname] => Ethinylestradiol - Impurity C [catalogue_number] => PA 05 46030 [category_ids] => ,76,75,87, [chemical_name] => [weight] => 270.37 [form] => C18H22O2 [cas] => 53-16-7 [pslug] => 53-16-7-ethinylestradiol-impurity-c-pa0546030 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46030
Molecular Formula : C18H22O2
Molecular Weight : 270.37
stdClass Object ( [pname] => Ethinylestradiol - Impurity D [catalogue_number] => PA 05 46040 [category_ids] => ,78,70,82,87, [chemical_name] => [weight] => 272.38 [form] => C18H24O2 [cas] => 50-28-2 [pslug] => 50-28-2-ethinylestradiol-impurity-d-pa0546040 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46040
Molecular Formula : C18H24O2
Molecular Weight : 272.38
stdClass Object ( [pname] => Ethinylestradiol - Impurity E [catalogue_number] => PA 05 46050 [category_ids] => ,75,78,70,82,87, [chemical_name] => [weight] => 312.40 [form] => C20H24O3 [cas] => 27521-34-2 [pslug] => 27521-34-2-ethinylestradiol-impurity-e-pa0546050 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46050
Molecular Formula : C20H24O3
Molecular Weight : 312.40
stdClass Object ( [pname] => Ethinylestradiol - Impurity G [catalogue_number] => PA 05 46070 [category_ids] => ,70,75,78,82,87, [chemical_name] => [weight] => 310.39 [form] => C20H22O3 [cas] => 38002-18-5 [pslug] => 38002-18-5-ethinylestradiol-impurity-g-pa0546070 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46070
Molecular Formula : C20H22O3
Molecular Weight : 310.39
stdClass Object ( [pname] => Ethinylestradiol - Impurity I [catalogue_number] => PA 05 46090 [category_ids] => ,75,78,70,82,87, [chemical_name] => [weight] => 294.39 [form] => C20H22O2 [cas] => 67703-68-8 [pslug] => 67703-68-8-ethinylestradiol-impurity-i-pa0546090 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46090
stdClass Object ( [pname] => Ethinylestradiol - Impurity J [catalogue_number] => PA 05 46100 [category_ids] => ,75,78,70,82,87, [chemical_name] => [weight] => 310.43 [form] => C21H26O2 [cas] => 15071-66-6 [pslug] => 15071-66-6-ethinylestradiol-impurity-j-pa0546100 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46100
Molecular Formula : C21H26O2
Molecular Weight : 310.43
stdClass Object ( [pname] => Ethinylestradiol - Impurity K [catalogue_number] => PA 05 46110 [category_ids] => ,75,78,70,82,87, [chemical_name] => [weight] => 310.43 [form] => C21H26O2 [cas] => 155683-61-7 [pslug] => 155683-61-7-ethinylestradiol-impurity-k-pa0546110 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46110
stdClass Object ( [pname] => Ethinylestradiol - Impurity L [catalogue_number] => PA 05 46120 [category_ids] => ,78,70,82,87, [chemical_name] => [weight] => 272.38 [form] => C18H24O2 [cas] => 57-91-0 [pslug] => 57-91-0-ethinylestradiol-impurity-l-pa0546120 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46120
stdClass Object ( [pname] => Ethinylestradiol - Impurity M [catalogue_number] => PA 05 46130 [category_ids] => ,75,78,70,82,87, [chemical_name] => [weight] => 310.43 [form] => C21H26O2 [cas] => 3240-39-9 [pslug] => 3240-39-9-ethinylestradiol-impurity-m-pa0546130 [latest_product] => 1 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46130
stdClass Object ( [pname] => Ethynyl Estradiol 3-Sulfate [catalogue_number] => PA 05 46510 [category_ids] => ,76,75,78,70,82,87,88, [chemical_name] => [weight] => 376.47 [form] => C20H24O5S [cas] => 24560-70-1 [pslug] => 24560-70-1-ethynyl-estradiol-3-sulfate-pa0546510 [latest_product] => 0 [linkproducts] => 1 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46510
Molecular Formula : C20H24O5S
Molecular Weight : 376.47
stdClass Object ( [pname] => Ethinyl Estradiol Dimer Impurity 1 [catalogue_number] => PA 05 46520 [category_ids] => ,76,75,78,70,82,87, [chemical_name] => [weight] => 590.79 [form] => C40H46O4 [cas] => 303014-90-6 [pslug] => 303014-90-6-ethinyl-estradiol-dimer-impurity-1-pa0546520 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46520
Molecular Formula : C40H46O4
Molecular Weight : 590.79
stdClass Object ( [pname] => Ethinyl Estradiol Dimer Impurity 2 [catalogue_number] => PA 05 46530 [category_ids] => ,76,75,78,70,82,87, [chemical_name] => [weight] => 590.79 [form] => C40H46O4 [cas] => 303014-91-7 [pslug] => 303014-91-7-ethinyl-estradiol-dimer-impurity-2-pa0546530 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46530
stdClass Object ( [pname] => 2-Hydroxy Ethinylestradiol [catalogue_number] => PA 05 46540 [category_ids] => ,76,75,78,70,82,87, [chemical_name] => [weight] => 312.41 [form] => C20H24O3 [cas] => 50394-89-3 [pslug] => 50394-89-3-2-hydroxy-ethinylestradiol-pa0546540 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46540
Molecular Weight : 312.41
stdClass Object ( [pname] => 2,4,16α-Tribromo Estrone [catalogue_number] => PA 05 46660 [category_ids] => ,69,87, [chemical_name] => [weight] => 507.05 [form] => C18H19Br3O2 [cas] => 79258-15-4 [pslug] => 79258-15-4-2-4-16-alpha-tribromo-estrone-pa0546660 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 46660
Molecular Formula : C18H19Br3O2
Molecular Weight : 507.05
stdClass Object ( [pname] => 1-Hydroxy-4-methyl-17-ethynyl-3-dehydroxyestradiol [catalogue_number] => PA 05 0461000 [category_ids] => ,87,78,75,76,82, [chemical_name] => [weight] => 310.44 [form] => C21H26O2 [cas] => 1034298-00-4 [pslug] => 1034298-00-4-1-hydroxy-4-methyl-17-ethynyl-3-dehydroxyestradiol-pa050461000 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 0461000
Molecular Weight : 310.44
stdClass Object ( [pname] => [2,2'-Bi-19-norpregna-1,3,5(10)-trien-20-yne]-3,3',17,17'-tetrol, (17a)-(17'a) [catalogue_number] => PA 05 0461009 [category_ids] => ,70,78,82,87, [chemical_name] => [weight] => 590.8 [form] => C40H46O4 [cas] => 303014-88-2 [pslug] => 303014-88-2-2-2-bi-19-norpregna-1-3-5-10-trien-20-yne-3-3-17-17-tetrol-17a-17a-pa050461009 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 0461009
Molecular Weight : 590.8
stdClass Object ( [pname] => [2,4'-Bi-19-norpregna-1,3,5(10)-trien-20-yne]-3,3',17,17'-tetrol, (17a)-(17'a) [catalogue_number] => PA 05 0461010 [category_ids] => ,70,78,82,87, [chemical_name] => [weight] => 590.8 [form] => C40H46O4 [cas] => 303014-89-3 [pslug] => 303014-89-3-2-4-bi-19-norpregna-1-3-5-10-trien-20-yne-3-3-17-17-tetrol-17a-17a-pa050461010 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 0461010
stdClass Object ( [pname] => Delta-8(9)-Ethinyl Estradiol [catalogue_number] => PA 05 0461011 [category_ids] => ,76,75,78,82,87, [chemical_name] => [weight] => 294.39 [form] => C20H22O2 [cas] => 100019-04-3 [pslug] => 100019-04-3-delta-8-9-ethinyl-estradiol-pa050461011 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 0461011
stdClass Object ( [pname] => Mixture of Ethinyl Estradiol Dimer Impurity 1 and Ethinyl Estradiol Dimer Impurity 2 [catalogue_number] => PA 05 0461012 [category_ids] => ,76,75,78,70,82,87, [chemical_name] => [weight] => 590.8 [form] => C40H46O4 [cas] => NA [pslug] => mixture-of-ethinyl-estradiol-dimer-impurity-1-and-ethinyl-estradiol-dimer-impurity-2-pa050461012 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 0461012
stdClass Object ( [pname] => 16-Ethylidene-Estrone [catalogue_number] => PA 05 0461013 [category_ids] => ,70,78,82,87, [chemical_name] => [weight] => 296.41 [form] => C20H24O2 [cas] => 113062-96-7 [pslug] => 113062-96-7-16-ethylidene-estrone-pa050461013 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 05 0461013
Molecular Weight : 296.41
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