An androgenic steroidal progestin, Ethisterone is a testosterone derivative. Ethisterone and its derivatives are used as hormonal contraceptives. Reference standards of Ethisterone API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Ethisterone - API Standards [catalogue_number] => PA 05 26000 [category_ids] => ,76,75,78,70,82, [chemical_name] => [weight] => 312.45 [form] => C21H28O2 [cas] => 434-03-7 [pslug] => 434-03-7-ethisterone-api-pa0526000 [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 26000
CAS :
Molecular Formula : C21H28O2
Molecular Weight : 312.45
stdClass Object ( [pname] => 2-Hydroxymethylene Ethisterone [catalogue_number] => PA 05 26510 [category_ids] => ,78,70,82,87, [chemical_name] => [weight] => 340.46 [form] => C22H28O3 [cas] => 2787-02-2 [pslug] => 2787-02-2-2-hydroxymethylene-ethisterone-pa0526510 [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 26510
Molecular Formula : C22H28O3
Molecular Weight : 340.46
stdClass Object ( [pname] => Ethisterone-13C2 [catalogue_number] => PA STI 038390 [category_ids] => ,76,75,78,70,82,98, [chemical_name] => [weight] => 314.43 [form] => C1913C2H28O2 [cas] => NA [pslug] => ethisterone-13c2-pasti038390 [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 STI 038390
Molecular Formula : C1913C2H28O2
Molecular Weight : 314.43
stdClass Object ( [pname] => 2-Hydroxymethylene Ethisterone-13C3 [catalogue_number] => PA STI 049890 [category_ids] => ,98,78,70,82,87, [chemical_name] => [weight] => 343.43 [form] => C1913C3H28O3 [cas] => NA [pslug] => 2-hydroxymethylene-ethisterone-13c3-pasti049890 [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 STI 049890
Molecular Formula : C1913C3H28O3
Molecular Weight : 343.43
stdClass Object ( [pname] => 2α-Hydroxymethylethisterone [catalogue_number] => PA 05 0261000 [category_ids] => ,82,78,70,75,76, [chemical_name] => [weight] => 342.48 [form] => C22H30O3 [cas] => 2787-03-3 [pslug] => 2787-03-3-2alpha-hydroxymethylethisterone-pa050261000 [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 0261000
Molecular Formula : C22H30O3
Molecular Weight : 342.48
stdClass Object ( [pname] => Epimetendiol [catalogue_number] => PA 05 0261001 [category_ids] => ,82,78,70,75,76, [chemical_name] => [weight] => 304.47 [form] => C20H32O2 [cas] => 132830-78-5 [pslug] => 132830-78-5-epimetendiol-pa050261001 [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 0261001
Molecular Formula : C20H32O2
Molecular Weight : 304.47
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