Carbidopa is used with another medicine called levodopa to treat the symptoms of Parkinson's disease. The pharmacologic objective is to get an exogenous dopamine-precursor known as levodopa/L-DOPA into the dopamine-deficient brains of PD patients.. Reference standards of Carbidopa API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
stdClass Object ( [pname] => Carbidopa - Impurity D [catalogue_number] => PA 30 14040 [category_ids] => ,79,80,75,78,70,82, [chemical_name] => [weight] => 320.38 [form] => C17H24N2O4 [cas] => 934371-48-9 [pslug] => 934371-48-9-carbidopa-impurity-d-pa3014040 [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 30 14040
CAS :
Molecular Formula : C17H24N2O4
Molecular Weight : 320.38
stdClass Object ( [pname] => Carbidopa - Impurity I [catalogue_number] => PA 30 14090 [category_ids] => ,79,80,75,78,70,82, [chemical_name] => [weight] => 305.13 [form] => C10H13BrN2O4 [cas] => 1246819-09-9 [pslug] => 1246819-09-9-carbidopa-impurity-i-pa3014090 [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 30 14090
Molecular Formula : C10H13BrN2O4
Molecular Weight : 305.13
stdClass Object ( [pname] => Carbidopa - Impurity J [catalogue_number] => PA 30 14100 [category_ids] => ,79,80,75,78,70,82, [chemical_name] => [weight] => 305.13 [form] => C10H13BrN2O4 [cas] => 43197-33-7 [pslug] => 43197-33-7-carbidopa-impurity-j-pa3014100 [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 30 14100
stdClass Object ( [pname] => (S)-(-)-Carbidopa-d5 [catalogue_number] => PA STI 017530 [category_ids] => ,80,93,78,70,82,98, [chemical_name] => [weight] => 231.26 [form] => C10H9D5N2O4 [cas] => 1426174-03-9 [pslug] => 1426174-03-9-s-carbidopa-d5-pasti017530 [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 017530
Molecular Formula : C10H9D5N2O4
Molecular Weight : 231.26
stdClass Object ( [pname] => R-(+)-Carbidopa-d5 [catalogue_number] => PA STI 017540 [category_ids] => ,80,93,78,70,82,98, [chemical_name] => [weight] => 231.13 [form] => C10H9D5N2O4 [cas] => NA [pslug] => r-carbidopa-d5-pasti017540 [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 017540
Molecular Weight : 231.13
stdClass Object ( [pname] => 3-O-Methyl Carbidopa-d5 [catalogue_number] => PA STI 060910 [category_ids] => ,97,80,75,81,98,78,70,82, [chemical_name] => [weight] => 245.29 [form] => C11H11D5N2O4 [cas] => 1794810-91-5 [pslug] => 1794810-91-5-3-o-methyl-carbidopa-d5-pasti060910 [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 060910
Molecular Formula : C11H11D5N2O4
Molecular Weight : 245.29
stdClass Object ( [pname] => 3-(3,4-Dimethoxyphenyl)-2-hydrazinyl-2-methylpropanoic Acid [catalogue_number] => PA 30 14550 [category_ids] => ,78,70,82, [chemical_name] => [weight] => 254.29 [form] => C12H18N2O4 [cas] => 28860-96-0 [pslug] => 28860-96-0-3-3-4-dimethoxyphenyl-2-hydrazinyl-2-methylpropanoic-acid-pa3014550 [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 30 14550
Molecular Formula : C12H18N2O4
Molecular Weight : 254.29
stdClass Object ( [pname] => N-(Aminocarbonyl)-3-methoxy-O-α-dimethyl-L-tyrosine [catalogue_number] => PA 30 14560 [category_ids] => ,78,70,82, [chemical_name] => [weight] => 282.3 [form] => C13H18N2O5 [cas] => 28861-00-9 [pslug] => 28861-00-9-n-aminocarbonyl-3-methoxy-o-alpha-dimethyl-l-tyrosine-pa3014560 [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 30 14560
Molecular Formula : C13H18N2O5
Molecular Weight : 282.3
stdClass Object ( [pname] => Carbidopa - API Standards [catalogue_number] => PA 30 14570 [category_ids] => 93,82,70,78,80 [chemical_name] => [weight] => 226.23 [form] => C10H14N2O4 [cas] => 28860-95-9 [pslug] => 28860-95-9-carbidopa-api-standards-pa3014570 [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 30 14570
Molecular Formula : C10H14N2O4
Molecular Weight : 226.23
stdClass Object ( [pname] => (S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanenitrile Hydrochloride [catalogue_number] => PA 30 14580 [category_ids] => ,78,82,70, [chemical_name] => [weight] => 256.73 [form] => C12H17ClN2O2 [cas] => 2544-13-0 [pslug] => 2544-13-0-s-2-amino-3-3-4-dimethoxyphenyl-2-methylpropanenitrile-hydrochloride-pa3014580 [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 30 14580
Molecular Formula : C12H17ClN2O2
Molecular Weight : 256.73
stdClass Object ( [pname] => (S)-(-)-Carbidopa-d3 H2O (ring-d3) [catalogue_number] => PA STI 088312 [category_ids] => ,98,78,70,82, [chemical_name] => [weight] => 247.27 [form] => C10H13D3N2O5 [cas] => 1276197-58-0 [pslug] => 1276197-58-0-s-carbidopa-d3-h2o-ring-d3-pasti088312 [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 088312
Molecular Formula : C10H13D3N2O5
Molecular Weight : 247.27
stdClass Object ( [pname] => 1-(2-Bromo-4-hydroxy-5-methoxyphenyl)-2-propanone [catalogue_number] => PA 30 0141000 [category_ids] => ,123,81,75,76,78,70,82, [chemical_name] => [weight] => 259.10 [form] => C10H11BrO3 [cas] => 1017083-10-1 [pslug] => 1017083-10-1-1-2-bromo-4-hydroxy-5-methoxyphenyl-2-propanone-pa300141000 [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 30 0141000
Molecular Formula : C10H11BrO3
Molecular Weight : 259.10
stdClass Object ( [pname] => 2-Hydrazino-α-(4-hydroxy-3-methoxybenzyl)propionitrile [catalogue_number] => PAI 03 037051 [category_ids] => ,78,75,70,76,82, [chemical_name] => [weight] => 221.26 [form] => C11H15N3O2 [cas] => 40248-56-4 [pslug] => 40248-56-4-2-hydrazino-alpha-4-hydroxy-3-methoxybenzyl-propionitrile-pai03037051 [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.:PAI 03 037051
Molecular Formula : C11H15N3O2
Molecular Weight : 221.26
stdClass Object ( [pname] => (R)-Carbidopa Methyl Ester N-Cyclohexylidene [catalogue_number] => PA 30 0141001 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 320.39 [form] => C17H24N2O4 [cas] => NA [pslug] => r-carbidopa-methyl-ester-n-cyclohexylidene-pa300141001 [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 30 0141001
Molecular Weight : 320.39
stdClass Object ( [pname] => D,L-Carbidopa [catalogue_number] => PA 30 0141002 [category_ids] => ,78,75,70,76,82, [chemical_name] => [weight] => 226.23 [form] => C10H14N2O4 [cas] => 302-53-4 [pslug] => 302-53-4-d-l-carbidopa-pa300141002 [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 30 0141002
stdClass Object ( [pname] => 3-(3-bromo-4,5-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid [catalogue_number] => PA 30 0141003 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 305.13 [form] => C10H13BrN2O4 [cas] => NA [pslug] => 3-3-bromo-4-5-dihydroxyphenyl-2-hydrazinyl-2-methylpropanoic-acid-pa300141003 [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 30 0141003
stdClass Object ( [pname] => 2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanenitrile [catalogue_number] => PA 30 0141004 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 220.27 [form] => C12H16N2O2 [cas] => 2543-46-6 [pslug] => 2543-46-6-2-amino-3-3-4-dimethoxyphenyl-2-methylpropanenitrile-pa300141004 [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 30 0141004
Molecular Formula : C12H16N2O2
Molecular Weight : 220.27
stdClass Object ( [pname] => (S)-2-Amino-3-(3,4-dimethoxyphenyl)-2-methylpropanenitrile [catalogue_number] => PA 30 0141005 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 220.27 [form] => C12H16N2O2 [cas] => 54716-90-4 [pslug] => 54716-90-4-s-2-amino-3-3-4-dimethoxyphenyl-2-methylpropanenitrile-pa300141005 [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 30 0141005
stdClass Object ( [pname] => Methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate [catalogue_number] => PA 30 0141006 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 240.26 [form] => C11H16N2O4 [cas] => 91431-01-5 [pslug] => 91431-01-5-methyl-3-3-4-dihydroxyphenyl-2-hydrazinyl-2-methylpropanoate-pa300141006 [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 30 0141006
Molecular Formula : C11H16N2O4
Molecular Weight : 240.26
stdClass Object ( [pname] => Ethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate hydrochloride [catalogue_number] => PA 30 0141007 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 290.74 [form] => C12H19ClN2O4 [cas] => 96115-88-7 [pslug] => 96115-88-7-ethyl-3-3-4-dihydroxyphenyl-2-hydrazinyl-2-methylpropanoate-hydrochloride-pa300141007 [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 30 0141007
Molecular Formula : C12H19ClN2O4
Molecular Weight : 290.74
stdClass Object ( [pname] => R-(+)-Carbidopa [catalogue_number] => PA 30 0141009 [category_ids] => ,82,78,76,75,70, [chemical_name] => [weight] => 226.23 [form] => C10H14N2O4 [cas] => 28875-92-5 [pslug] => 28875-92-5-r-carbidopa-pa300141009 [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 30 0141009
stdClass Object ( [pname] => Carbidopa - Impurity C [catalogue_number] => PA 30 0140030 [category_ids] => ,70,75,78,80,81,82,97, [chemical_name] => [weight] => 240.26 [form] => C11H16N2O4 [cas] => 84488-77-7 [pslug] => 84488-77-7-carbidopa-impurity-c-pa300140030 [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 30 0140030
stdClass Object ( [pname] => rac-Carbidopa Ethyl Ester [catalogue_number] => PA 30 0141012 [category_ids] => ,82,70,78, [chemical_name] => [weight] => 254.29 [form] => C12H18N2O4 [cas] => 91908-71-3 [pslug] => 91908-71-3-rac-carbidopa-ethyl-ester-pa300141012 [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 30 0141012
stdClass Object ( [pname] => Methyl 3-(3,4-dihydroxyphenyl)-2-methylpropanoate [catalogue_number] => PA 30 0141013 [category_ids] => ,93,82,70,78,80, [chemical_name] => [weight] => 210.23 [form] => C11H14O4 [cas] => 2104012-68-0 [pslug] => 2104012-68-0-methyl-3-3-4-dihydroxyphenyl-2-methylpropanoate-pa300141013 [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 30 0141013
Molecular Formula : C11H14O4
Molecular Weight : 210.23
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