Caffeine is a central nervous system stimulant of the methylxanthine class. It is used to restore mental alertness or wakefulness during fatigue or drowsiness.. Reference standards of Caffeine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
stdClass Object ( [pname] => Caffeine - Impurity B [catalogue_number] => PA 03 04020 [category_ids] => ,75,76,79, [chemical_name] => [weight] => 198.18 [form] => C7H10N4O3 [cas] => 7597-60-6 [pslug] => 7597-60-6-caffeine-impurity-b-pa0304020 [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 03 04020
CAS :
Molecular Formula : C7H10N4O3
Molecular Weight : 198.18
stdClass Object ( [pname] => Caffeine - Impurity C [catalogue_number] => PA 03 04030 [category_ids] => 82,79,78,75,71,70 [chemical_name] => [weight] => 194.19 [form] => C8H10N4O2 [cas] => 519-32-4 [pslug] => 519-32-4-caffeine-impurity-c-pa0304030 [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 03 04030
Molecular Formula : C8H10N4O2
Molecular Weight : 194.19
stdClass Object ( [pname] => Caffeine - Impurity D [catalogue_number] => PA 03 04040 [category_ids] => 76,70,71,75,78,82 [chemical_name] => [weight] => 180.16 [form] => C7H8N4O2 [cas] => 83-67-0 [pslug] => 83-67-0-caffeine-impurity-d-pa0304040 [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 03 04040
Molecular Formula : C7H8N4O2
Molecular Weight : 180.16
stdClass Object ( [pname] => Caffeine - Impurity E [catalogue_number] => PA 03 04050 [category_ids] => ,79,71,75,78,70,82, [chemical_name] => [weight] => 168.20 [form] => C7H12N4O [cas] => 20041-90-1 [pslug] => 20041-90-1-caffeine-impurity-e-pa0304050 [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 03 04050
Molecular Formula : C7H12N4O
Molecular Weight : 168.20
stdClass Object ( [pname] => Caffeine - Impurity E (Nitrate Salt) [catalogue_number] => PA 03 04051 [category_ids] => ,79,71,75,78,70,82, [chemical_name] => [weight] => 231.21 [form] => C7H13N5O4 [cas] => 209725-34-8 [pslug] => 209725-34-8-caffeine-impurity-e-nitrate-salt-pa0304051 [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 03 04051
Molecular Formula : C7H13N5O4
Molecular Weight : 231.21
stdClass Object ( [pname] => Caffeine - Impurity F [catalogue_number] => PA 03 04060 [category_ids] => 79,76,75,72,71 [chemical_name] => [weight] => 180.17 [form] => C7H8N4O2 [cas] => 611-59-6 [pslug] => 611-59-6-caffeine-impurity-f-pa0304060 [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 03 04060
Molecular Weight : 180.17
stdClass Object ( [pname] => 7-Methyl-3-methyluric Acid-d3 [catalogue_number] => PA STI 064490 [category_ids] => ,98,76,75,78,70,82, [chemical_name] => [weight] => 199.18 [form] => C7H5D3N4O3 [cas] => 383160-11-0 [pslug] => 383160-11-0-7-methyl-3-methyluric-acid-d3-pasti064490 [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 064490
Molecular Formula : C7H5D3N4O3
Molecular Weight : 199.18
stdClass Object ( [pname] => 3-Methyluric Acid-d3 [catalogue_number] => PA STI 064820 [category_ids] => ,71,81,98,76,75, [chemical_name] => [weight] => 185.16 [form] => C6H3D3N4O3 [cas] => NA [pslug] => 3-methyluric-acid-d3-pasti064820 [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 064820
Molecular Formula : C6H3D3N4O3
Molecular Weight : 185.16
stdClass Object ( [pname] => 4-Amino-5-[(ethoxycarbonyl)amino]-1-methyl-d3 Uracil [catalogue_number] => PA STI 006110 [category_ids] => ,71,76,75,78,70,82,98, [chemical_name] => [weight] => 231.22 [form] => C8H9D3N4O4 [cas] => 1794768-19-6 [pslug] => 1794768-19-6-4-amino-5-ethoxycarbonyl-amino-1-methyl-d3-uracil-pasti006110 [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 006110
Molecular Formula : C8H9D3N4O4
Molecular Weight : 231.22
stdClass Object ( [pname] => Caffeidine-d9 [catalogue_number] => PA STI 016940 [category_ids] => ,79,71,75,78,70,82,98, [chemical_name] => [weight] => 177.25 [form] => C7H3D9N4O [cas] => NA [pslug] => caffeidine-d9-pasti016940 [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 016940
Molecular Formula : C7H3D9N4O
Molecular Weight : 177.25
stdClass Object ( [pname] => 1,7-Dimethyluric Acid-d3 [catalogue_number] => PA STI 035190 [category_ids] => ,71,76,75,78,70,82,98, [chemical_name] => [weight] => 199.18 [form] => C7H5D3N4O3 [cas] => 1189713-08-3 [pslug] => 1189713-08-3-1-7-dimethyluric-acid-d3-pasti035190 [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 035190
stdClass Object ( [pname] => Isocaffeine-d3 [catalogue_number] => PA STI 053750 [category_ids] => ,79,71,75,98,78,70,82, [chemical_name] => [weight] => 197.21 [form] => C8H7D3N4O2 [cas] => NA [pslug] => isocaffeine-d3-pasti053750 [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 053750
Molecular Formula : C8H7D3N4O2
Molecular Weight : 197.21
stdClass Object ( [pname] => Paraxanthine-1-methyl-d3 [catalogue_number] => PA STI 071470 [category_ids] => ,98,76,75, [chemical_name] => [weight] => 183.18 [form] => C7H5D3N4O2 [cas] => 188297-90-7 [pslug] => 188297-90-7-paraxanthine-1-methyl-d3-pasti071470 [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 071470
Molecular Formula : C7H5D3N4O2
Molecular Weight : 183.18
stdClass Object ( [pname] => Paraxanthine-d3 [catalogue_number] => PA STI 071480 [category_ids] => ,98,76,75, [chemical_name] => [weight] => 183.18 [form] => C7H5D3N4O2 [cas] => 65566-70-3 [pslug] => 65566-70-3-paraxanthine-d3-pasti071480 [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 071480
stdClass Object ( [pname] => 6-Amino-5-(N-formyl-N-methyl)-3-methyluracil [catalogue_number] => PA 03 04530 [category_ids] => ,79,71,76,75,85,83, [chemical_name] => [weight] => 198.18 [form] => C7H10N4O3 [cas] => 55782-76-8 [pslug] => 55782-76-8-6-amino-5-n-formyl-n-methyl-3-methyluracil-pa0304530 [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 03 04530
stdClass Object ( [pname] => 1,9-Dimethyluric Acid [catalogue_number] => PA 03 0041000 [category_ids] => ,75,76,78,82, [chemical_name] => [weight] => 196.17 [form] => C7H8N4O3 [cas] => 55441-62-8 [pslug] => 55441-62-8-1-9-dimethyluric-acid-pa030041000 [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 03 0041000
Molecular Formula : C7H8N4O3
Molecular Weight : 196.17
stdClass Object ( [pname] => 7-Methyl-3-methyluric Acid [catalogue_number] => PA 03 0041001 [category_ids] => ,75,76,78,82, [chemical_name] => [weight] => 196.17 [form] => C7H8N4O3 [cas] => 13087-49-5 [pslug] => 13087-49-5-7-methyl-3-methyluric-acid-pa030041001 [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 03 0041001
stdClass Object ( [pname] => 8-Bromo-1,3,7-trimethylxanthine [catalogue_number] => PA 03 0041002 [category_ids] => ,78,75,76,82, [chemical_name] => [weight] => 273.09 [form] => C8H9BrN4O2 [cas] => 10381-82-5 [pslug] => 10381-82-5-8-bromo-1-3-7-trimethylxanthine-pa030041002 [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 03 0041002
Molecular Formula : C8H9BrN4O2
Molecular Weight : 273.09
stdClass Object ( [pname] => Caffeidine Acid [catalogue_number] => PA 03 0041003 [category_ids] => ,78,75,70,76,82, [chemical_name] => [weight] => 212.21 [form] => C8H12N4O3 [cas] => 54536-15-1 [pslug] => 54536-15-1-caffeidine-acid-pa030041003 [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 03 0041003
Molecular Formula : C8H12N4O3
Molecular Weight : 212.21
stdClass Object ( [pname] => Caffeine-d3 (1-methyl-d3) [catalogue_number] => PA STI 088839 [category_ids] => ,98,75,76,78,70,82, [chemical_name] => [weight] => 197.21 [form] => C8H7D3N4O2 [cas] => 26351-03-1 [pslug] => 26351-03-1-caffeine-d3-1-methyl-d3-pasti088839 [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 088839
stdClass Object ( [pname] => 5-Acetylamino-6-amino-3-methyluracil Hydrate [catalogue_number] => PA 03 0041004 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 214.18 [form] => C7H10N4O4 [cas] => 1196153-01-1 [pslug] => 1196153-01-1-5-acetylamino-6-amino-3-methyluracil-hydrate-pa030041004 [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 03 0041004
Molecular Formula : C7H10N4O4
Molecular Weight : 214.18
stdClass Object ( [pname] => 2-Amino-9-((2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-1,7-dimethyl-6-oxo-6,9-dihydro-1H-purin-7-ium Methyl Sulfate [catalogue_number] => PAI 03 004003 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 423.4 [form] => C13H21N5O9S [cas] => 78990-20-2 [pslug] => 78990-20-2-2-amino-9-2r-3r-4s-5r-3-4-dihydroxy-5-hydroxymethyl-tetrahydrofuran-2-yl-1-7-dimethyl-6-oxo-6-9-dihydro-1h-purin-7-ium-methyl-sulfate-pai03004003 [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 004003
Molecular Formula : C13H21N5O9S
Molecular Weight : 423.4
stdClass Object ( [pname] => 2-Amino-1,7-dimethyl-1,7-dihydro-6H-purin-6-one [catalogue_number] => PAI 03 004002 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 179.18 [form] => C7H9N5O [cas] => 26758-00-9 [pslug] => 26758-00-9-2-amino-1-7-dimethyl-1-7-dihydro-6h-purin-6-one-pai03004002 [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 004002
Molecular Formula : C7H9N5O
Molecular Weight : 179.18
stdClass Object ( [pname] => N1-Methylguanosine [catalogue_number] => PAI 03 004001 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 297.27 [form] => C11H15N5O5 [cas] => 2140-65-0 [pslug] => 2140-65-0-n1-methylguanosine-pai03004001 [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 004001
Molecular Formula : C11H15N5O5
Molecular Weight : 297.27
stdClass Object ( [pname] => N,1-Dimethyl-4-(methyl(nitroso)amino)-1H-imidazole-5-carboxamide [catalogue_number] => PA 03 0041006 [category_ids] => ,79,71,75,78,70,82,162, [chemical_name] => [weight] => 197.2 [form] => C7H11N5O2 [cas] => 145438-96-6 [pslug] => 145438-96-6-n-1-dimethyl-4-methyl-nitroso-amino-1h-imidazole-5-carboxamide-pa030041006 [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 03 0041006
Molecular Formula : C7H11N5O2
Molecular Weight : 197.2
stdClass Object ( [pname] => N,1-Dimethyl-4-(methyl(nitroso)amino)-N-nitroso-1H-imidazole-5-carboxamide [catalogue_number] => PA 03 0041007 [category_ids] => ,79,71,75,78,70,82,162, [chemical_name] => [weight] => 226.2 [form] => C7H10N6O3 [cas] => 145438-97-7 [pslug] => 145438-97-7-n-1-dimethyl-4-methyl-nitroso-amino-n-nitroso-1h-imidazole-5-carboxamide-pa030041007 [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 03 0041007
Molecular Formula : C7H10N6O3
Molecular Weight : 226.2
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