Sitagliptin impurity B is also known as Defluoro Sitagliptin, an impurity of Sitagliptan, an dipeptidyl peptidase-4 (DPP-4) inhibitor for treatment of diabetes mellitus type 2. Reference standards of Sitagliptin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => (R)-3-Amino-4-(2-fluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one [catalogue_number] => PA 19 0481062 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 371.34 [form] => C16H17F4N5O [cas] => 945261-45-0 [pslug] => 945261-45-0-r-3-amino-4-2-fluorophenyl-1-3-trifluoromethyl-5-6-dihydro-1-2-4-triazolo-4-3-a-pyrazin-7-8h-yl-butan-1-one-pa190481062 [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 19 0481062
CAS :
Molecular Formula : C16H17F4N5O
Molecular Weight : 371.34
stdClass Object ( [pname] => (R)-3-Amino-4-(2-chlorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one [catalogue_number] => PA 19 0481063 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 387.79 [form] => C16H17ClF3N5O [cas] => 945261-56-3 [pslug] => 945261-56-3-r-3-amino-4-2-chlorophenyl-1-3-trifluoromethyl-5-6-dihydro-1-2-4-triazolo-4-3-a-pyrazin-7-8h-yl-butan-1-one-pa190481063 [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 19 0481063
Molecular Formula : C16H17ClF3N5O
Molecular Weight : 387.79
stdClass Object ( [pname] => (R)-3-Amino-4-(2,4-dichlorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one [catalogue_number] => PA 19 0481064 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 422.23 [form] => C16H16Cl2F3N5O [cas] => 945261-60-9 [pslug] => 945261-60-9-r-3-amino-4-2-4-dichlorophenyl-1-3-trifluoromethyl-5-6-dihydro-1-2-4-triazolo-4-3-a-pyrazin-7-8h-yl-butan-1-one-pa190481064 [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 19 0481064
Molecular Formula : C16H16Cl2F3N5O
Molecular Weight : 422.23
stdClass Object ( [pname] => 3-Nitroso-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one [catalogue_number] => PA 19 0481072 [category_ids] => ,69,70,78,82,162, [chemical_name] => [weight] => 421.3 [form] => C16H13F6N5O2 [cas] => NA [pslug] => 3-nitroso-1-3-trifluoromethyl-5-6-dihydro-1-2-4-triazolo-4-3-a-pyrazin-7-8h-yl-4-2-4-5-trifluorophenyl-butan-1-one-pa190481072 [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 19 0481072
Molecular Formula : C16H13F6N5O2
Molecular Weight : 421.3
stdClass Object ( [pname] => (R)-3-Amino-4-(2,4,5-trifluorophenyl)butanamide [catalogue_number] => PA 19 0481073 [category_ids] => ,75,78,70,82, [chemical_name] => [weight] => 232.21 [form] => C10H11F3N2O [cas] => 2137101-64-3 [pslug] => 2137101-64-3-r-3-amino-4-2-4-5-trifluorophenyl-butanamide-pa190481073 [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 19 0481073
Molecular Formula : C10H11F3N2O
Molecular Weight : 232.21
stdClass Object ( [pname] => Isopropyl (R)-3-amino-4-(2,4,5-trifluorophenyl)butanoate [catalogue_number] => PA 19 0481074 [category_ids] => ,75,78,70,82, [chemical_name] => [weight] => 275.27 [form] => C13H16F3NO2 [cas] => 1802495-69-7 [pslug] => 1802495-69-7-isopropyl-r-3-amino-4-2-4-5-trifluorophenyl-butanoate-pa190481074 [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 19 0481074
Molecular Formula : C13H16F3NO2
Molecular Weight : 275.27
stdClass Object ( [pname] => 3-Amino-4-(3,4-difluorophenyl)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)butan-1-one [catalogue_number] => PA 19 0481075 [category_ids] => ,70,78,82, [chemical_name] => [weight] => 389.33 [form] => C16H16F5N5O [cas] => 1334244-24-4 [pslug] => 1334244-24-4-3-amino-4-3-4-difluorophenyl-1-3-trifluoromethyl-5-6-dihydro-1-2-4-triazolo-4-3-a-pyrazin-7-8h-yl-butan-1-one-pa190481075 [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 19 0481075
Molecular Formula : C16H16F5N5O
Molecular Weight : 389.33
stdClass Object ( [pname] => 1-(2,4,5-Trifluorophenyl)propan-2-amine Hydrochloride [catalogue_number] => PA 19 0481076 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 225.64 [form] => C9H11ClF3N [cas] => 1062587-61-4 [pslug] => 1062587-61-4-1-2-4-5-trifluorophenyl-propan-2-amine-hydrochloride-pa190481076 [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 19 0481076
Molecular Formula : C9H11ClF3N
Molecular Weight : 225.64
stdClass Object ( [pname] => N-Nitroso Sitagliptin Fumarate Adduct [catalogue_number] => PA 19 0481080 [category_ids] => ,75,76,78,82, [chemical_name] => [weight] => 552.39 [form] => C20H18F6N6O6 [cas] => NA [pslug] => n-nitroso-sitagliptin-fumarate-adduct-pa190481080 [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 19 0481080
Molecular Formula : C20H18F6N6O6
Molecular Weight : 552.39
stdClass Object ( [pname] => Tert-butyl 3-amino-4-(2,4,5-trifluorophenyl)butanoate [catalogue_number] => PA 19 0481081 [category_ids] => ,82,78,76,75,70, [chemical_name] => [weight] => 289.3 [form] => C14H18F3NO2 [cas] => 1964462-19-8 [pslug] => 1964462-19-8- tert-butyl-3-amino-4-2-4-5-trifluorophenyl-butanoate-pa190481081 [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 19 0481081
Molecular Formula : C14H18F3NO2
Molecular Weight : 289.3
stdClass Object ( [pname] => Tert-butyl (R)-3-((tert-butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoate [catalogue_number] => PA 19 0481082 [category_ids] => ,82,78,76,75,70, [chemical_name] => [weight] => 389.42 [form] => C19H26F3NO4 [cas] => 1246961-45-4 [pslug] => 1246961-45-4-tert-butyl-r-3-tert-butoxycarbonyl-amino-4-2-4-5-trifluorophenyl-butanoate-pa190481082 [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 19 0481082
Molecular Formula : C19H26F3NO4
Molecular Weight : 389.42
stdClass Object ( [pname] => (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,3,6-trifluorophenyl)butanoic acid [catalogue_number] => PA 19 0481084 [category_ids] => ,79,80,78,75,76,82, [chemical_name] => [weight] => 333.31 [form] => C15H18F3NO4 [cas] => 611240-53-0 [pslug] => 611240-53-0-r-3-tert-butoxycarbonyl-amino-4-2-3-6-trifluorophenyl-butanoic-acid-pa190481084 [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 19 0481084
Molecular Formula : C15H18F3NO4
Molecular Weight : 333.31
stdClass Object ( [pname] => (Z)-3-Amino-1-morpholino-4-(2,4,5-trifluorophenyl)but-2-en-1-one [catalogue_number] => PA 19 0481085 [category_ids] => ,79,80,78,75,76,82, [chemical_name] => [weight] => 300.28 [form] => C14H15F3N2O2 [cas] => NA [pslug] => z-3-amino-1-morpholino-4-2-4-5-trifluorophenyl-but-2-en-1-one-pa190481085 [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 19 0481085
Molecular Formula : C14H15F3N2O2
Molecular Weight : 300.28
stdClass Object ( [pname] => (R)-(R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic N,N'-dicyclohexylcarbamimidic anhydride [catalogue_number] => PA 19 0481086 [category_ids] => ,79,80,78,75,76,82, [chemical_name] => [weight] => 539.64 [form] => C28H40F3N3O4 [cas] => 2072867-06-0 [pslug] => 2072867-06-0-r-r-3-tert-butoxycarbonyl-amino-4-2-4-5-trifluorophenyl-butanoic-n-n-dicyclohexylcarbamimidic-anhydride-pa190481086 [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 19 0481086
Molecular Formula : C28H40F3N3O4
Molecular Weight : 539.64
stdClass Object ( [pname] => (R)-3-((tert-Butoxycarbonyl)amino)-4-(2,4,5-trifluorophenyl)butanoic Acid Triethylamine Salt [catalogue_number] => PA 19 0481090 [category_ids] => ,79,80,78,70,82, [chemical_name] => [weight] => 434.50 [form] => C21H33F3N2O4 [cas] => NA [pslug] => r-3-tert-butoxycarbonyl-amino-4-2-4-5-trifluorophenyl-butanoic-acid-triethylamine-salt-pa190481090 [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 19 0481090
Molecular Formula : C21H33F3N2O4
Molecular Weight : 434.50
stdClass Object ( [pname] => (S)-Sitagliptin N-Boc-Acid Impurity Triethylamine Salt [catalogue_number] => PA 19 0481092 [category_ids] => ,79,80,78,70,82, [chemical_name] => [weight] => 434.50 [form] => C21H33F3N2O4 [cas] => NA [pslug] => s-sitagliptin-n-boc-acid-impurity-triethylamine-salt-pa190481092 [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 19 0481092
stdClass Object ( [pname] => N,N-Diisopropyl-3-oxo-4-(2,4,5-trifluorophenyl)butanamide [catalogue_number] => PA 19 0481093 [category_ids] => ,69,71,78,70,82, [chemical_name] => [weight] => 315.34 [form] => C16H20F3NO2 [cas] => NA [pslug] => n-n-diisopropyl-3-oxo-4-2-4-5-trifluorophenyl-butanamide-pa190481093 [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 19 0481093
Molecular Formula : C16H20F3NO2
Molecular Weight : 315.34
stdClass Object ( [pname] => (R)-10-(2,4,5-Trifluorobenzyl)-3-(trifluoromethyl)-5,6,9,10-tetrahydro-8H-[1,2,4]triazolo[3',4':3,4]pyrazino[1,2-a]pyrimidin-8-one [catalogue_number] => PA 19 0481094 [category_ids] => ,69,71,78,70,82, [chemical_name] => [weight] => 403.29 [form] => C16H11F6N5O [cas] => 2821750-76-7 [pslug] => 2821750-76-7-r-10-2-4-5-trifluorobenzyl-3-trifluoromethyl-5-6-9-10-tetrahydro-8h-1-2-4-triazolo-3-4-3-4-pyrazino-1-2-a-pyrimidin-8-one-pa190481094 [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 19 0481094
Molecular Formula : C16H11F6N5O
Molecular Weight : 403.29
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