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CAS number index
39,377 CAS Registry Numbers in numeric order. A number with several grades opens a comparison page, a single match opens the product.
| CAS number | Substance | Listings |
|---|---|---|
| 666816-91-7 | 3-Methyl-7-(2-butyn-1-yl)-8-[(R)-3-(tertbutyloxycarbonylamino)piperidin-1-yl]-xanthine | 1 |
| 666816-98-4 | 8-Bromo-3-methyl-7-(2-butynyl)-xanthine | 2 |
| 666832-71-9 | (S)-3,3-Dimethyl-2-(2,2,2-trifluoroacetamido)butanoic acid | 1 |
| 667465-00-1 | 2-(Cyclohexanecarbonyloxy)acetic acid | 1 |
| 667465-15-8 | Duloxetine Impurity 5 (Freebase) | 1 |
| 667904-94-1 | Lopinavir EP Impurity Q | 1 |
| 668270-11-9 | Linagliptin Impurity G | 1 |
| 668270-12-0 | Linagliptin | 1 |
| 668273-75-4 | Linagliptin Related Compound B | 1 |
| 669070-64-8 | 2-(2-Pyridinyl)-1H-Benzmidazole-6-carboxylic acid | 1 |
| 669087-46-1 | TEHDGA, 97% | 1 |
| 669716-56-7 | Pioglitazone Pyridine-6-[4-[2-[5-ethyl-6-[4-[2-(5-ethyl-2-pyridinyl)ethoxy]phenyl] | 1 |
| 669716-58-9 | Pioglitazone Bromo Impurity | 1 |
| 671225-26-6 | Prednicarbate EP Impurity F | 1 |
| 671235-41-9 | Levothyroxine N-Formyl Impurity | 1 |
| 671802-00-9 | tert-Butyl 3-(2-hydroxyethoxy)propanoate | 1 |
| 673487-32-6 | 4-Methyl-1H-benzimidazole-2-carboxylic acid | 1 |
| 674292-94-5 | Vildagliptin L-Proline Impurity | 1 |
| 674792-08-6 | 4,7-Diazaspiro[2.5]octane-4-carboxylic acid, 1,1-dimethylethyl ester | 1 |
| 675126-26-8 | 4-Methoxy-5-(3-morpholinopropoxy)-2-nitrobenzonitrile | 1 |
| 675198-19-3 | (4-(3-Methoxypropoxy)-3-methylpyridin-2-yl)methanol Hydrochloride | 1 |
| 675602-84-3 | (R)-Pyrrolidine-2-carbonitrile Hydrochloride | 1 |
| 675605-61-5 | (S)-Amlodipine Nicotinate | 1 |
| 675882-71-0 | Methyl 3-amino-4-butyramido-5-methylbenzoate | 1 |
| 676129-92-3 | Valsartan Desvaleryl Hydrochloride Impurity | 2 |
| 676326-36-6 | Methyl-1-Acetyl-2-oxoindoline-6-carboxylate | 1 |
| 676525-77-2 | [Ir(dtbbpy)(ppy)2]PF6 | 1 |
| 677007-74-8 | Avatrombopag Maleate | 1 |
| 678980-64-8 | Transportan 10 | 1 |
| 678982-38-2 | N-Nitroso Amiodarone EP Impurity B | 1 |
| 679406-03-2 | Ethyl 4,6-Dichloropyridazine-3-carboxylate | 1 |
| 680596-79-6 | 4,4,5,5-Tetramethyl-2-(1,4-dioxaspiro[4.5]dec-7-en-8-yl)-1,3,2-dioxaborolane | 1 |
| 680972-33-2 | Benzenesulfonic acid,4-(1-methylethyl),ammonium | 1 |
| 681281-87-8 | 1-Methylimidazolium hydrogen sulphate, 95% | 1 |
| 681282-72-4 | Boc-3,5-dihydroxy-1-adamantyl-L-glycine | 1 |
| 681482-53-1 | 1-Benzylpiperidine-4-carboxylic acid Hydrochloride | 1 |
| 681482-81-5 | 4-[4-(4-Trifluoromethoxyphenoxy)piperidin-1-yl]phenol | 1 |
| 681484-60-6 | (R)-2-Bromo-1-((2-methyloxiran-2-yl)methyl)-4-nitro-1H-imidazole | 1 |
| 681492-22-8 | Delamanid | 1 |
| 681505-01-1 | (S)-2-Methyl-6-nitro-2-((4-(4-(4-(trifluoromethoxy)phenoxy)piperidin-1-yl)phenoxy)methyl)-2,3-dihydroimidazo[2,1-b]oxazole | 1 |
| 681806-75-7 | 2-Acetamido-3-(2-oxo-1,2-dihydroquinolin-4-yl)propanoic Acid | 1 |
| 682323-77-9 | Cetirizine EP Impurity E | 1 |
| 682734-34-5 | (4-hydrazinylphenyl)methanesulfonamide | 1 |
| 682745-41-1 | Tivozanib Monohydrochloride Monohydrate | 1 |
| 683224-96-6 | 1-(3-Cyanopropyl)-3-methylimidazolium chloride, ≥98.5% | 1 |
| 683229-61-0 | 1-Methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)indole | 1 |
| 683233-14-9 | (R)-2-(Aminomethyl)-1-n-boc-piperidine | 1 |
| 683239-16-9 | 20-(tert-Butoxy)-20-oxoicosanoic acid | 1 |
| 684286-46-2 | Glimepiride EP Impurity A | 1 |
| 685087-27-8 | Tert-Butyl O-(tert-butyl)-D-threoninate | 1 |
| 685514-01-6 | 1-Triisopropylsilanyl-1H-pyrrolo[2,3-b]pyridin-5-ol | 1 |
| 685523-06-2 | Perindopril EP Impurity J | 1 |
| 686258-75-3 | 2,6-Difluorobenzenesulfonic acid | 1 |
| 686299-20-7 | N-Formyl-D-Ribofuranosyl-3-Guanylurea (α/β-Mixture) | 1 |
| 686744-60-5 | Orlistat Tetradecyl Ester | 1 |
| 687132-01-0 | 2-((2S,3S)-2-Hydroxypentan-3-yl)-4-(4-(4-(4-hydroxyphenyl)piperazin-1-yl)phenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one | 1 |
| 687639-03-8 | N-(3-Bromo-4-oxocyclohexyl)acetamide | 1 |
| 688046-61-9 | Pyriofenone | 1 |
| 689260-53-5 | 2-Bromo-5-iodo-1,3-dimethylbenzene, 97% | 1 |
| 689293-67-2 | tert-Butyl (2-(3-(5-amino-1-methyl-1H-pyrazol-4-yl)ureido)ethyl)carbamate | 1 |
| 689293-68-3 | Ceftolozane | 1 |
| 689294-59-5 | 1-(5-Amino-1-methyl-1H-pyrazol-4-yl)-3-(2-aminoethyl)urea Trihydrochloride | 1 |
| 690969-16-5 | (4-((3-Fluorobenzyl)oxy)phenyl)methanol | 1 |
| 690996-23-7 | Estetrol 17-Acetate | 1 |
| 690996-24-8 | 3-O-Benzyl Estetrol 17-Acetate | 1 |
| 691007-05-3 | (Z)-(2,4-Difluorophenyl)-4-piperidinylmethanone oxime | 1 |
| 691007-07-5 | (E)-4-(2,4-Difluorobenzoyl)piperidine Oxime | 1 |
| 691007-09-7 | Risperidone EP Impurity A | 1 |
| 693261-93-7 | 3-(Methylamino)-1-(p-tolyl)propan-1-ol | 1 |
| 693285-60-8 | 2,6-Dimethyl-3-methoxybenzeneboronic Acid | 1 |
| 693765-11-6 | Flunarizine EP Impurity D | 1 |
| 693793-53-2 | Atorvastatin EP Impurity C (Calcium Salt) | 1 |
| 693793-82-7 | Atorvastatin Difluoro Impurity | 1 |
| 693793-87-2 | Difluoro Atorvastatin Acetonide tert-Butyl Ester | 1 |
| 693794-20-6 | Atorvastatin EP Impurity C (Freebase) | 1 |
| 694490-86-3 | 4-(3-(Dimethylamino)-1-(pyridin-2-yl)propyl)-N,N-dimethylaniline | 1 |
| 694495-47-1 | (S)-Cinacalcet | 1 |
| 694499-26-8 | 4-(4-Methylpiperazinomethyl)-3-(trifluoromethyl)aniline | 1 |
| 695177-32-3 | L-Tyrosine Diethylamide | 1 |
| 697299-82-4 | N-De[2-(methylsulfonyl)ethyl] Lapatinib | 1 |
| 697761-98-1 | Elvitegravir | 1 |
| 698387-09-6 | Neratinib WS | 1 |
| 698394-60-4 | 2-Bromo-1-(4-ethylphenyl)-2-methylpropan-1-one | 1 |
| 698970-84-2 | 2-(3-Bromopyridin-2-yl) Acetic Acid | 1 |
| 699014-53-4 | Ferrous Gluconate Hydrate | 1 |
| 699525-61-6 | Fenoterol EP Impurity B | 1 |
| 700361-47-3 | Rilpivirine Hydrochloride | 1 |
| 700376-58-5 | (1R,3S,5R)-2-Azabicyclo[3.1.0]hexane-3-carboxamide 2,2,2-trifluoroacetic acid | 1 |
| 700803-62-9 | Ceftaroline Impurity 6 (Z-Isomer) | 1 |
| 701193-65-9 | Ranolazine Impurity-1 | 1 |
| 701270-26-0 | 2-Butyl-6-methoxynaphthalene | 1 |
| 701921-71-3 | Trihexyltetradecylphosphonium dicyanamide, 95% | 1 |
| 702634-39-7 | 1-((3,3-Diphenylpropyl)amino)-2-methyl-2-propanol | 1 |
| 704886-18-0 | Flupiprole | 1 |
| 704910-88-3 | Des-Methoxy Esomeprazole | 1 |
| 704910-89-4 | 4-Desmethoxy Omeprazole Sulfide | 1 |
| 704916-12-1 | (2R,3R,4R,5R)-5-((Benzoyloxy)methyl)-3-fluorotetrahydrofuran-2,4-diyl dibenzoate | 1 |
| 705260-08-8 | Vorapaxar sulfate | 1 |
| 706753-75-5 | Epinastine EP Impurity A | 1 |
| 706779-91-1 | Pimavanserin | 1 |
| 706782-28-7 | Pimavanserin tartrate | 1 |
| 706811-25-8 | 5-(4-Bromophenyl)pyrimidine-4,6-diol | 1 |
| 708263-68-7 | Roxadustat Desmethyl Impurity | 1 |
| 709002-84-6 | Fluticasone Impurity 22 | 1 |
| 709031-38-9 | (S)-Boc-2-carbamoyl-2,3-dihydro-1H-pyrrole | 1 |
| 709031-39-0 | (1S,3S,5S)-2-Azabicyclo[3.1.0]hexane-3-carboxamide Hydrochloride | 1 |
| 709031-43-6 | Boc-Saxagliptin | 1 |
| 709031-45-8 | Saxagliptin Impurity KSM-2 | 1 |
| 709031-78-7 | Saxagliptin Hydrochloride | 1 |
| 709665-71-4 | 2-Amino-2-(4-bromophenyl)acetic acid hydrochloride | 1 |
| 710951-92-1 | Deflazacort Impurity C | 1 |
| 711598-76-4 | Cefoperazone EP Impurity B | 1 |
| 713071-37-5 | 1-((2-Chlorophenyl)(phenyl)methyl)-4-(3-methylbenzyl)piperazine | 1 |
| 713516-99-5 | rac Ambrisentan | 1 |
| 713521-27-8 | 1-(2-Iodoethyl)-2-pyrrolidinone | 1 |
| 714230-22-5 | Pregabalin Methyl Ester Hydrochloride | 1 |
| 714269-57-5 | Dapagliflozin Methoxy Impurity | 1 |
| 714269-58-6 | Dapagliflozin TNG | 1 |
| 714971-32-1 | H-Asp(OMpe)-OH | 1 |
| 717109-43-8 | 1-Chloro-2-(ethoxydiphenylmethyl)benzene | 1 |
| 718635-93-9 | Tetrabenazine | 1 |
| 719300-59-1 | Olanzapine EP Impurity C | 1 |
| 720666-74-0 | Pravastatin EP Impurity G (sodium salt) | 1 |
| 720720-96-7 | 5-Methyl-4,5,6,7- tetrahydrothiazolo [5,4-c]pyridine-2-carboxylic acid hydrochloride | 1 |
| 721401-53-2 | Rivaroxaban Descarbonyl Impurity | 1 |
| 721924-06-7 | Pantoprazole EP Impurity F | 1 |
| 721958-72-1 | Amlodipine EP Impurity B | 1 |
| 721958-74-3 | Amlodipine EP Impurity C | 1 |
| 721970-35-0 | Moxifloxacin EP Impurity H | 1 |
| 721970-36-1 | Moxifloxacin EP impurity E | 1 |
| 721970-37-2 | Moxifloxacin EP Impurity F | 1 |
| 722504-45-2 | Pravastatin EP Impurity E Sodium | 1 |
| 722504-46-3 | Pravastatin EP Impurity B (Sodium Salt) | 1 |
| 722533-56-4 | Elacestrant | 1 |
| 723260-09-1 | N4,N4'-Di(pyridin-2-yl)-[1,1'-biphenyl]-4,4'-dicarboxamide | 1 |
| 723286-98-4 | 5-(Trifluoromethyl)-2-(chloromethyl)-1,3,4-oxadiazole | 1 |
| 724424-92-4 | Spirulina powder, 99% | 1 |
| 724429-16-7 | Leflunomide EP Impurity G | 1 |
| 724695-30-1 | Oxacillin Impurity G | 1 |
| 724700-26-9 | Ertapenem Impurity Pro-maba | 1 |
| 724762-79-2 | Ethynyl Estradiol 3-Sulfate Sodium Salt | 1 |
| 724792-82-9 | Barium magnesium aluminate, europium doped, 99% | 1 |
| 727375-13-5 | 2-(Hydroxymethyl)-3,5-dimethylpyridin-4-ol | 1 |
| 727379-97-7 | L-Lactic Acid-1-13C | 1 |
| 727382-14-1 | (3S)-4-Chloro-3-[(trimethylsilyl)oxy]butanenitrile | 1 |
| 727418-56-6 | 3-(4-Methoxybenzoyl)-1-vinylpyrrolidin-2-one | 1 |
| 727718-93-6 | Losartan Azide Impurity | 1 |
| 727728-51-0 | N-Desmethyl Venlafaxine Cyclic Impurity | 1 |
| 728948-88-7 | Cetirizine Impurity G | 1 |
| 730912-46-6 | 2-Formylbenzene-1,4-Disulfonic Acid | 1 |
| 730928-60-6 | Aztreonam secolactam Aztreonamyl carboxamide | 1 |
| 732228-02-3 | Solifenacin EP Impurity H | 1 |
| 732302-99-7 | Givinostat Hydrochloride Monohydrate | 1 |
| 732921-44-7 | 4,4'-(Hydrazine-1,2-diyl)dibenzenesulfonic acid | 1 |
| 732926-20-4 | 2-(8-Benzyl-2,4-dioxo-1,3,8-triazaspiro[4.5]decan-3-yl)acetic Acid | 1 |
| 732929-47-4 | (R)-N-Methyl-Laudanosine | 1 |
| 732983-57-2 | 5-Hydroxy-6-methoxy Duloxetine sulfate | 1 |
| 733039-20-8 | 5-Bromo-2-chloro-N-cyclopentylpyrimidin-4-amine | 1 |
| 733043-41-9 | 3-Hydroxy Anagrelide | 1 |
| 733747-53-0 | 1-Ethyl-6-methoxyindole-3-carbaldehyde | 1 |
| 735224-36-9 | 1-(3-(4-Chlorophenyl)propyl)piperidine | 1 |
| 735264-27-4 | N-Chloromethyl Olanzapine | 1 |
| 736870-51-2 | 2-(Diethylamino)ethyl 3-nitro-4-propoxybenzoate | 1 |
| 736994-63-1 | Cyantraniliprole | 1 |
| 737789-87-6 | Relugolix | 1 |
| 737790-54-4 | 1-(4-(1-(2,6-Difluorobenzyl)-3-(6-methoxypyridazin-3-yl)-5-((methylamino)methyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-3-methoxyurea | 1 |
| 738562-93-1 | 2-(2,4-Dihydroxy-5-methoxybenzamido)-N-(2-(diisopropylamino)ethyl)thiazole-4-carboxamide | 1 |
| 738606-42-3 | 2,2,14,14-Tetramethylpentadecane-1,8,15-triol | 1 |
| 738606-43-4 | Diethyl 2,2,14,14-tetramethyl-8-oxopentadecanedioate | 1 |
| 738606-44-5 | Bempedoic Acid Impurity 18 | 1 |
| 738606-46-7 | Bempedoic Acid | 1 |
| 738606-64-9 | Diethyl 8-hydroxy-2,2,14,14-tetramethylpentadecanedioate | 1 |
| 738607-02-8 | Ethyl 8-isocyano-2,2-dimethyl-8-[(4-methylphenyl)sulfonyl]octanoate | 1 |
| 740028-90-4 | (3RS)-3-[(2RS)-(2-Cyclopentyl-2-hydroxy-2-phenylacetyl)oxy]-1,1-dimethylpyrrolidinium | 1 |
| 740780-79-4 | Solifenacin EP Impurity G | 1 |
| 740788-63-0 | L-Lactic acid-2-13C1 | 1 |
| 740794-83-6 | Edoxaban M8 | 1 |
| 740810-42-8 | Cudratricusxanthone A | 1 |
| 740816-86-8 | O-Desmethyl Midostaurin | 1 |
| 741246-55-9 | 9-Hydroxynonyl carbamimidothioate | 1 |
| 741657-02-3 | Vildagliptin Deshydroxy Impurity | 1 |
| 741659-31-4 | N-Methyl Acamprosate | 1 |
| 741659-46-1 | N,N-Bis(2-aminoethyl)nitrous amide | 1 |
| 741693-83-4 | 4-Hydroxy Duloxetine β-D-Glucuronide | 1 |
| 743460-48-2 | Revefenacin Ethylamino biphenyl carbamate impurity | 1 |
| 744266-99-7 | Methyl 3-(methyl(pentyl)amino)propanoate | 1 |
| 744961-76-0 | Prilocaine EP Impurity E | 1 |
| 745017-94-1 | Monomethyl Auristatin F (MMAF) | 1 |
| 745038-86-2 | Isopropylmagnesium chloride lithium chloride complex 1.3 M in THF, extra pure | 1 |
| 745738-16-3 | L-Glutamine Diethylamide | 1 |
| 745762-44-1 | (R,Z)-1-(4-(3-Methylthiophen-2-yl)-4-(thiophen-2-yl)but-3-en-1-yl)piperidine-3-carboxylic Acid | 1 |
| 745767-97-9 | Fingolimod Heptyl Impurity | 1 |
| 745779-75-3 | O-Desmethyl Everolimus | 1 |
| 745798-07-6 | Lidocaine EP Impurity E | 1 |
| 746594-44-5 | Fingolimod Nonyl Impurity | 1 |
| 746647-32-5 | L-DEA Impurity (N-1) | 1 |
| 748707-58-6 | 4-((6,7-Dimethoxyquinolin-4-yl)amino)phenol | 1 |
| 748788-39-8 | Methyl 4-acetamido-3-bromo-2-(2-bromoethoxy)-5-chlorobenzoate | 1 |
| 748812-53-5 | Irbesartan EP Impurity A | 1 |
| 749786-16-1 | Perfluoroundecane sulfonic acid | 1 |
| 749864-27-5 | Amlodipine N-Lactoside | 1 |
| 749927-69-3 | 4-Bromo-2-Fluoro-N-Methylbenzamide | 1 |
| 749927-80-8 | 4-Bromo-2-fluoro-N,N-dimethylbenzamide | 1 |
| 750512-44-8 | Cinnarizine EP Impurity B | 1 |
| 751476-91-2 | 2-[2-(2,2,2-Trifluoroethoxy)phenoxy]ethanamine | 1 |
| 752151-24-9 | Anagrelide open ring methyl ester | 1 |
| 752174-62-2 | (2R,4S)-4-Amino-5-(biphenyl-4-yl)-2-methylpentanoic Acid Ethyl Ester | 1 |
| 752188-68-4 | Olsalazine EP Impurity B | 1 |
| 752253-39-7 | Crinecerfont | 1 |
| 752969-85-0 | Riluzole 5-Trifluoromethoxy Isomer | 1 |
| 753405-33-3 | Ramipril Isomer 1 | 1 |
| 753498-25-8 | Indacaterol Maleate | 1 |
| 754147-91-6 | Trimetazidine EP Impurity F | 1 |
| 754926-25-5 | O-Ethyl Albuterol | 1 |
| 755027-18-0 | 2-Bromo-5-iodoanisole, 97% | 1 |
| 755037-03-7 | Regorafenib | 1 |
| 755710-53-3 | Phenazin-1(5H)-imine | 1 |
| 755711-09-2 | Desmethoxy Ranolazine | 1 |
| 755722-58-8 | 3,5-Dibromo-4-methylbenzenesulfonic acid | 1 |
| 755726-67-1 | Fluconazole Impurity 5 (Freebase) | 1 |
| 756419-50-8 | Flupentixol EP Impurity F | 1 |
| 756426-58-1 | Perfluoro(2-((6-chlorohexyl)oxy)ethanesulfonic acid) | 1 |
| 757124-72-4 | 1H,1H,2H,2H-Perfluorohexanesulphonic acid | 1 |
| 757220-04-5 | N,N-Di-desethyl Amiodarone Hydrochloride | 1 |
| 757234-98-3 | Melphalan Isopropyl Ester Hydrochloride | 1 |
| 757251-39-1 | Regorafenib Impurity A | 1 |
| 757251-59-5 | Methyl 4-(4-aminophenoxy)picolinate | 1 |
| 758642-28-3 | N-Desbenzylbenidipine | 1 |
| 760127-31-9 | 2R-(1S-Carboethoxybutylamino)propanoic acid | 1 |
| 760937-92-6 | Teneligliptin | 1 |
| 760952-88-3 | Tris(3-hydroxypropyltriazolylmethyl)amine | 1 |
| 761373-05-1 | (2R,4S)-Sacubitril | 1 |
| 761404-85-7 | Trityl Olmesartan Acid | 1 |
| 761423-87-4 | Ipragliflozin | 1 |
| 761440-16-8 | 2,5-Dichloro-N-(2-(isopropylsulfonyl)phenyl)pyrimidin-4-amine | 1 |
| 761460-08-6 | Paliperidone N-Oxide | 1 |
| 762237-02-5 | 4-(Bromomethyl)-1-methyl-1H-pyrazole | 1 |
| 762240-92-6 | Sitagliptin Triazole Hydrochloride | 1 |
| 762240-99-3 | 1-(Chloroacetyl)-2-(trifluoroacetyl)hydrazine | 1 |
| 763051-92-9 | 11-Chloroperfluoro-3-oxaundecanesulfonic acid | 1 |
| 763111-47-3 | N-Descyclopropanecarbaldehyde Olaparib | 1 |
| 763113-06-0 | Olaparib Impurity 9 | 1 |
| 763113-22-0 | Olaparib | 1 |
| 763114-04-1 | Tert-Butyl 4-(2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoyl)piperazine-1-carboxylate | 1 |
| 763114-25-6 | OPD 2A (E-Z Mixture) | 1 |
| 763114-26-7 | OPD-3A | 1 |
| 763120-58-7 | Pyrazole-4-boronic acid, ≥95% | 1 |
| 763863-68-9 | Clindamycin Laurate | 1 |
| 763924-54-5 | Azithromycin EP Impurity O | 1 |
| 764659-72-5 | Emtricitabine Menthyl Ester Impurity | 1 |
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