Also known as L-Dopa which is an amino acid that acts as a precursor for neurotransmitters catecholamines (dopamine, norepinephrine, and epinephrine). Levodopa is used in the treatment of Parkinson's disease and dopamine-responsive dystonia. Reference standards of Levodopa API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => rac 3-O-Methyl DOPA-d3 [catalogue_number] => PA STI 061290 [category_ids] => ,97,80,98, [chemical_name] => [weight] => 214.23 [form] => C10H10D3NO4 [cas] => 1219173-95-1 [pslug] => 1219173-95-1-rac-3-o-methyl-dopa-d3-pasti061290 [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 061290
CAS :
Molecular Formula : C10H10D3NO4
Molecular Weight : 214.23
stdClass Object ( [pname] => 3-O-Methyl-L-DOPA-d3 Monohydrate [catalogue_number] => PA STI 061300 [category_ids] => ,97,98,93,78,70,82, [chemical_name] => [weight] => 232.25 [form] => C10H12D3NO5 [cas] => NA [pslug] => 3-o-methyl-l-dopa-d3-monohydrate-pasti061300 [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 061300
Molecular Formula : C10H12D3NO5
Molecular Weight : 232.25
stdClass Object ( [pname] => 3-O-Methyl-L-DOPA-d3 Methyl Ester [catalogue_number] => PA STI 061310 [category_ids] => ,97,98,93,78,70,82, [chemical_name] => [weight] => 228.26 [form] => C11H12D3NO4 [cas] => 1795785-77-1 [pslug] => 1795785-77-1-3-o-methyl-l-dopa-d3-methyl-ester-pasti061310 [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 061310
Molecular Formula : C11H12D3NO4
Molecular Weight : 228.26
stdClass Object ( [pname] => 3-O-Methyl-L-DOPA-d3 4-Glucuronide [catalogue_number] => PA STI 061320 [category_ids] => ,70,78,82,93,97,98,95, [chemical_name] => [weight] => 390.36 [form] => C16H18D3NO10 [cas] => NA [pslug] => 3-o-methyl-l-dopa-d3-4-glucuronide-pasti061320 [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 061320
Molecular Formula : C16H18D3NO10
Molecular Weight : 390.36
stdClass Object ( [pname] => 3-O-Methyl-L-DOPA 4-Sulfate [catalogue_number] => PA STI 061330 [category_ids] => ,97,98,93,78,70,82, [chemical_name] => [weight] => 291.28 [form] => C10H13NO7S [cas] => 1391393-86-4 [pslug] => 1391393-86-4-3-o-methyl-l-dopa-4-sulfate-pasti061330 [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 061330
Molecular Formula : C10H13NO7S
Molecular Weight : 291.28
stdClass Object ( [pname] => 3-O-Methyl-L-DOPA-d3 4-Sulfate [catalogue_number] => PA STI 061340 [category_ids] => ,97,98,93,78,70,82, [chemical_name] => [weight] => 294.30 [form] => C10H10D3NO7S [cas] => NA [pslug] => 3-o-methyl-l-dopa-d3-4-sulfate-pasti061340 [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 061340
Molecular Formula : C10H10D3NO7S
Molecular Weight : 294.30
stdClass Object ( [pname] => 3-(Methoxy-d3)-L-tyrosine Hydrochloride [catalogue_number] => PA STI 061350 [category_ids] => ,97,80,98, [chemical_name] => [weight] => 250.69 [form] => C10H11D3ClNO4 [cas] => NA [pslug] => 3-methoxy-d3-l-tyrosine-hydrochloride-pasti061350 [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 061350
Molecular Formula : C10H11D3ClNO4
Molecular Weight : 250.69
stdClass Object ( [pname] => α,4-Dihydroxy-3-methoxy-α-methyl-benzeneethanesulfonic Acid Potassium Salt-d5 [catalogue_number] => PA STI 032860 [category_ids] => ,80,70,98, [chemical_name] => [weight] => 305.4 [form] => C10H8D5KO6S [cas] => 1794789-29-9 [pslug] => 1794789-29-9-alpha-4-dihydroxy-3-methoxy-alpha-methyl-benzeneethanesulfonic-acid-potassium-salt-d5-pasti032860 [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 032860
Molecular Formula : C10H8D5KO6S
Molecular Weight : 305.4
stdClass Object ( [pname] => DL-DOPA-2,5,6-d6 [catalogue_number] => PA STI 036220 [category_ids] => ,70,78,82,93,97,98, [chemical_name] => [weight] => 203.22 [form] => C9H5D6NO4 [cas] => NA [pslug] => dl-dopa-2-5-6-d6-pasti036220 [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 036220
Molecular Formula : C9H5D6NO4
Molecular Weight : 203.22
stdClass Object ( [pname] => Levodopa-d3 [catalogue_number] => PA STI 056471 [category_ids] => ,98, [chemical_name] => [weight] => 200.21 [form] => C9H8D3NO4 [cas] => 53587-29-4 [pslug] => 53587-29-4-levodopa-d3-pasti056471 [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 056471
Molecular Formula : C9H8D3NO4
Molecular Weight : 200.21
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