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 B [catalogue_number] => PA 30 14020 [category_ids] => 79,80,75,78 [chemical_name] => [weight] => 225.24 [form] => C11H15NO4 [cas] => 18181-08-3 [pslug] => 18181-08-3-carbidopa-impurity-b-pa3014020 [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 14020
CAS :
Molecular Formula : C11H15NO4
Molecular Weight : 225.24
stdClass Object ( [pname] => 3-O-Methyl Carbidopa (Mixture) [catalogue_number] => PA 30 14030 [category_ids] => 82,78,75,70,80,81,97 [chemical_name] => [weight] => 240.26 [form] => C11H16N2O4 [cas] => 85933-19-3 [pslug] => 85933-19-3-3-O-methyl-carbidopa-mixture-pa3014030 [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 14030
Molecular Formula : C11H16N2O4
Molecular Weight : 240.26
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
Molecular Formula : C17H24N2O4
Molecular Weight : 320.38
stdClass Object ( [pname] => Carbidopa - Impurity E [catalogue_number] => PA 30 14050 [category_ids] => ,79,80,78,75, [chemical_name] => [weight] => 240.26 [form] => C11H16N2O4 [cas] => 52514-63-3 [pslug] => 52514-63-3-carbidopa-impurity-e-pa3014050 [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 14050
stdClass Object ( [pname] => Carbidopa - Impurity F [catalogue_number] => PA 30 14060 [category_ids] => ,79,80,78,75, [chemical_name] => [weight] => 254.28 [form] => C12H18N2O4 [cas] => 1458640-32-8 [pslug] => 1458640-32-8-carbidopa-impurity-f-pa3014060 [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 14060
Molecular Formula : C12H18N2O4
Molecular Weight : 254.28
stdClass Object ( [pname] => Carbidopa - Impurity H [catalogue_number] => PA 30 14080 [category_ids] => ,79,80,78,75, [chemical_name] => [weight] => 240.26 [form] => C11H16N2O4 [cas] => 1361017-74-4 [pslug] => 1361017-74-4-carbidopa-impurity-h-pa3014080 [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 14080
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] => Carbidopa - Impurity G [catalogue_number] => PA 30 14510 [category_ids] => ,75,76,80,81, [chemical_name] => [weight] => 166.17 [form] => C9H10O3 [cas] => 2503-44-8 [pslug] => 2503-44-8-carbidopa-impurity-g-pa3014510 [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 14510
Molecular Formula : C9H10O3
Molecular Weight : 166.17
stdClass Object ( [pname] => 3-(3,4-Dihydroxyphenyl)-2-methylpropanoic Acid [catalogue_number] => PA 30 14520 [category_ids] => ,80,81,76,75, [chemical_name] => [weight] => 196.2 [form] => C10H12O4 [cas] => 53832-94-3 [pslug] => 53832-94-3-3-3-4-dihydroxyphenyl-2-methylpropanoic-acid-pa3014520 [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 14520
Molecular Formula : C10H12O4
Molecular Weight : 196.2
stdClass Object ( [pname] => 2-Bromo Carbidopa [catalogue_number] => PA 30 14530 [category_ids] => ,79,80, [chemical_name] => [weight] => 305.13 [form] => C10H13BrN2O4 [cas] => 1246817-47-9 [pslug] => 1246817-47-9-2-bromo-carbidopa-pa3014530 [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 14530
stdClass Object ( [pname] => D,L-Carbidopa-d5 [catalogue_number] => PA STI 017500 [category_ids] => ,79,80,81,98, [chemical_name] => [weight] => 231.26 [form] => C10H9D5N2O4 [cas] => 1185134-76-2 [pslug] => 1185134-76-2-d-l-carbidopa-d5-pasti017500 [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 017500
Molecular Formula : C10H9D5N2O4
Molecular Weight : 231.26
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
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] => 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] => (S)-3-(3,4-Dihydroxyphenyl)-2-methyl-2-(1-nitrosohydrazinyl)propanoic Acid [catalogue_number] => PA 30 0141010 [category_ids] => ,78,79,80,162, [chemical_name] => [weight] => 255.23 [form] => C10H13N3O5 [cas] => NA [pslug] => s-3-3-4-dihydroxyphenyl-2-methyl-2-1-nitrosohydrazinyl-propanoic-acid-pa300141010 [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 0141010
Molecular Formula : C10H13N3O5
Molecular Weight : 255.23
stdClass Object ( [pname] => (Z)-2-(2-(Tert-butoxycarbonyl)hydrazono)-3-(4-hydroxy-3-methoxyphenyl)propanoic Acid [catalogue_number] => PAI 03 037066 [category_ids] => ,78,79,80, [chemical_name] => [weight] => 324.33 [form] => C15H20N2O6 [cas] => NA [pslug] => z-2-2-tert-butoxycarbonyl-hydrazono-3-4-hydroxy-3-methoxyphenyl-propanoic-acid-pai03037066 [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 037066
Molecular Formula : C15H20N2O6
Molecular Weight : 324.33
stdClass Object ( [pname] => Carbidopa Imine Ester Impurity [catalogue_number] => PA 30 0141011 [category_ids] => ,78,79,80, [chemical_name] => [weight] => 280.32 [form] => C14H20N2O4 [cas] => 1402053-59-1 [pslug] => 1402053-59-1-carbidopa-imine-ester-impurity-pa300141011 [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 0141011
Molecular Formula : C14H20N2O4
Molecular Weight : 280.32
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