Norethindrone is used for birth control to prevent pregnancy. It is sold under the brand names Nilevar and Pronabol. Reference standards of Norethandrolone API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => (3α,5α,17α)-19-Norpregnane-3,17-diol-d4 [catalogue_number] => PA STI 069310 [category_ids] => ,98,76,75,78,70,82,87, [chemical_name] => [weight] => 310.51 [form] => C20H30D4O2 [cas] => NA [pslug] => 3-alpha-5-alpha-17-alpha-19-norpregnane-3-17-diol-d4-pasti069310 [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 069310
CAS :
Molecular Formula : C20H30D4O2
Molecular Weight : 310.51
stdClass Object ( [pname] => Norethandrolone-API [catalogue_number] => PA 14 1210000 [category_ids] => ,78,75,76,82, [chemical_name] => [weight] => 302.46 [form] => C20H30O2 [cas] => 52-78-8 [pslug] => 52-78-8-norethandrolone-api-pa141210000 [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 14 1210000
Molecular Formula : C20H30O2
Molecular Weight : 302.46
stdClass Object ( [pname] => 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol [catalogue_number] => PA 14 1211000 [category_ids] => ,78,75,76,82,87, [chemical_name] => [weight] => 306.49 [form] => C20H34O2 [cas] => 31658-50-1 [pslug] => 31658-50-1-17alpha-ethyl-5beta-estrane-3alpha-17beta-diol-pa141211000 [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 14 1211000
Molecular Formula : C20H34O2
Molecular Weight : 306.49
stdClass Object ( [pname] => (3α,5β,17α)-19-Norpregnane-3,17,21-triol [catalogue_number] => PA 14 1211001 [category_ids] => ,82,78,70,75,76, [chemical_name] => [weight] => 322.49 [form] => C20H34O3 [cas] => 1245704-40-8 [pslug] => 1245704-40-8-3alpha-5beta-17alpha-19-norpregnane-3-17-21-triol-pa141211001 [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 14 1211001
Molecular Formula : C20H34O3
Molecular Weight : 322.49
stdClass Object ( [pname] => 7α,17α-Dimethyl-5β-androstane-3α,17β-diol [catalogue_number] => PA 14 1211002 [category_ids] => ,82,78,70,75,76, [chemical_name] => [weight] => 320.52 [form] => C21H36O2 [cas] => 13611-10-4 [pslug] => 13611-10-4-7alpha-17alpha-dimethyl-5beta-androstane-3alpha-17beta-diol-pa141211002 [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 14 1211002
Molecular Formula : C21H36O2
Molecular Weight : 320.52
stdClass Object ( [pname] => (3S,5S,8R,9R,10S,13S,14S,17R)-13-Methylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol [catalogue_number] => PA 14 1211003 [category_ids] => ,78,75,76,82,87, [chemical_name] => [weight] => 278.44 [form] => C18H30O2 [cas] => 93602-55-2 [pslug] => 93602-55-2-3s-5s-8r-9r-10s-13s-14s-17r-13-methylhexadecahydro-1h-cyclopenta-a-phenanthrene-3-17-diol-pa141211003 [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 14 1211003
Molecular Formula : C18H30O2
Molecular Weight : 278.44
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