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] => 2,5-Difluorophenylacetic Acid [catalogue_number] => PA 19 48620 [category_ids] => ,80,84, [chemical_name] => [weight] => 172.13 [form] => C8H6F2O2 [cas] => 85068-27-5 [pslug] => 85068-27-5-2-5-difluorophenylacetic-acid-pa1948620 [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 48620
CAS :
Molecular Formula : C8H6F2O2
Molecular Weight : 172.13
stdClass Object ( [pname] => 3,4-Difluorophenylacetic Acid [catalogue_number] => PA 19 48630 [category_ids] => ,80,84, [chemical_name] => [weight] => 172.13 [form] => C8H6F2O2 [cas] => 658-93-5 [pslug] => 658-93-5-3-4-difluorophenylacetic-acid-pa1948630 [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 48630
stdClass Object ( [pname] => 2,4-Difluorobenzeneacetic Acid [catalogue_number] => PA 19 48640 [category_ids] => ,80,84, [chemical_name] => [weight] => 172.13 [form] => C8H6F2O2 [cas] => 81228-09-3 [pslug] => 81228-09-3-2-4-difluorobenzeneacetic-acid-pa1948640 [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 48640
stdClass Object ( [pname] => (3R)-3-Amino-4-(2,3,6-trifluorophenyl)-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4] triazolo[4,3-a]pyrazin-7(8H)-yl]butan-1-one [catalogue_number] => PA 19 48900 [category_ids] => ,80,84, [chemical_name] => [weight] => 407.32 [form] => C16H15F6N5O [cas] => 945261-50-7 [pslug] => 945261-50-7-3r-3-amino-4-2-3-6-trifluorophenyl-1-3-trifluoromethyl-5-6-dihydro-1-2-4-triazolo-4-3-a-pyrazin-7-8h-yl-butan-1-one-pa1948900 [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 48900
Molecular Formula : C16H15F6N5O
Molecular Weight : 407.32
stdClass Object ( [pname] => (3R)-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 48910 [category_ids] => ,80,84, [chemical_name] => [weight] => 389.33 [form] => C16H16F5N5O [cas] => 486459-88-5 [pslug] => 486459-88-5-3r-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-pa1948910 [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 48910
Molecular Formula : C16H16F5N5O
Molecular Weight : 389.33
stdClass Object ( [pname] => 2,4,5-Trifluorophenylacetic Acid [catalogue_number] => PA 19 48920 [category_ids] => ,80,84, [chemical_name] => [weight] => 190.12 [form] => C8H5F3O2 [cas] => 209995-38-0 [pslug] => 209995-38-0-2-4-5-trifluorophenylacetic-acid-pa1948920 [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 48920
Molecular Formula : C8H5F3O2
Molecular Weight : 190.12
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