| ID | CAS | Name | Synonyms | Molecular Formula | Category |
|---|---|---|---|---|---|
| 1 | 1219207-91-6 | Olmesartan Impurity 1 | Olmesartan Impurity 1 Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-4,5-dihydro-1H-imidazole-5-carboxylate | ||
| 2 | 212504-90-0 | Oseltamivir Impurity 20 | Oseltamivir Impurity K Oseltamivir Impurity 20 | ||
| 3 | 1-BOC-4-(ACETAMIDO)PIPERIDINE | 1-BOC-4-(ACETAMIDO)PIPERIDINE | |||
| 4 | 1-Nitro-1-azacyclotridecan-2-one | 1-Nitro-1-azacyclotridecan-2-one | |||
| 5 | 29375-30-2 | L-Alanyl-L-proline tert-Butyl Ester | L-Alanyl-L-proline tert-Butyl Ester L-Alanyl-L-proline 1,1-DiMethylethyl Ester | ||
| 6 | (S)-N-BOC-N,N-DIMETHYL-L-PROLINAMIDE | (S)-N-BOC-N,N-DIMETHYL-L-PROLINAMIDE | |||
| 7 | 1251022-85-1 | 1-Boc-6-oxa-1,9-diazaspiro[3.6]decane | 1-Boc-6-oxa-1,9-diazaspiro[3.6]decane | ||
| 8 | 343788-67-0 | 1-Boc-4-methylpiperidine-4-carboxamide | 1-Boc-4-methylpiperidine-4-carboxamide | ||
| 9 | 1337882-51-5 | N-Boc-1-(2-AMino-ethyl)-piperidin-3-one | N-Boc-1-(2-AMino-ethyl)-piperidin-3-one Carbamic acid, N-[2-(3-oxo-1-piperidinyl)ethyl]-, 1,1-dimethylethyl ester | ||
| 10 | 1638759-39-3 | 3-Amino-7-Boc-1-oxa-7-azaspiro[3.5]nonane | 3-AMINO-7-BOC-1-OXA-7-AZASPIRO[3.5]NONANE 3-Amino-7-Boc-1-oxa-7-azaspiro[3.5]nonane tert-butyl3-amino-1-oxa-7-azaspiro[3.5]nonane-7-carboxylate | ||
| 11 | 283167-28-2 | tert-butyl 1-acetylpiperidin-4-ylcarbamate | 1-ACETYL-4-BOCAMINO-PIPERIDINE tert-butyl 1-acetylpiperidin-4-ylcarbamate tert-butyl N-(1-acetylpiperidin-4-yl)carbaMate (1-Acetyl-4-piperidinyl)carbamic acid 1,1-dimethylethyl ester Carbamic acid, N-(1-acetyl-4-piperidinyl)-, 1,1-dimethylethyl ester | ||
| 12 | 2168663-17-8 | tert-butyl 3-carbamoylazepane-1-carboxylate | tert-butyl 3-carbamoylazepane-1-carboxylate | ||
| 13 | 219739-79-4 | tert-Butyl (3-MethacrylaMidopropyl)carbaMate | tert-Butyl (3-methacrylamidopropyl) tert-Butyl (3-MethacrylaMidopropyl)carbaMate | ||
| 14 | 1093759-67-1 | tert-Butyl 4-acetaMidopiperidin-1-carboxylate | tert-Butyl 4-acetaMidopiperidin-1-carboxylate | ||
| 15 | 1290136-89-8 | tert-butyl 3-Morpholinoazetidine-1-carboxylate | tert-butyl 3-Morpholinoazetidine-1-carboxylate | ||
| 16 | 643067-91-8 | Tert-Butyl Trans-4-Carbamoylcyclohexylcarbamate | trans-4-(Boc-amino)cyclohexanecarboxamide Tert-Butyl Trans-4-Carbamoylcyclohexylcarbamate TERT-BUTYL TRANS-4-CARBAMOYLCYCLOHEXYLCARBAMATE tert-butyl ((1r,4r)-4-carbamoylcyclohexyl)carbamate (4-Carbamoyl-cyclohexyl)-carbamic acid tert-butyl ester | ||
| 17 | 138356-92-0 | (S)-2-N-Boc-Amino-1-Pyrrolidin-1-Yl-Propan-1-One | (S)-2-N-Boc-Amino-1-Pyrrolidin-1-Yl-Propan-1-One tert-Butyl(S)-(1-oxo-1-(pyrrolidin-1-yl)propan-2-yl)carbamate (S)-tert-Butyl (1-oxo-1-(pyrrolidin-1-yl)propan-2-yl)carbaMate tert-Butyl [(2S)-1-oxo-1-(pyrrolidin-1-yl)propan-2-yl]carbamate N-[1-oxo-1-(1-pyrrolidinyl)propan-2-yl]carbamic acid tert-butyl ester Carbamic acid, N-[(1S)-1-methyl-2-oxo-2-(1-pyrrolidinyl)ethyl]-, 1,1-dimethylethyl ester | ||
| 18 | 1373253-18-9 | tert-Butyl (3-aMinopropyl)(Methacryloyl)carbaMate | tert-Butyl (3-aMinopropyl)(Methacryloyl)carbaMate tert-butyl N-(3-aminopropyl)-N-(2-methylprop-2-enoyl)carbamate | ||
| 19 | 1257293-88-1 | Tert-Butyl 4-(oxetan-3-yl)piperazine-1-carboxylate | Tert-Butyl 4-(oxetan-3-yl)piperazine-1-carboxylate | ||
| 20 | 1434141-83-9 | endo-7-(Boc-aMino)-3-oxa-9-aza-bicyclo[3.3.1]nonane | endo-7-(Boc-aMino)-3-oxa-9-aza-bicyclo[3.3.1]nonane | ||
| 21 | 1255147-08-0 | tert-Butyl 2-ethyl-5-oxo-1,4-diazepane-1-carboxylate | tert-Butyl 2-ethyl-5-oxo-1,4-diazepane-1-carboxylate | ||
| 22 | 28646-23-3 | 3-(diethylcarbamoyl)-2-pyrrolidin-1-yl-propanoic acid | 3-(diethylcarbamoyl)-2-pyrrolidin-1-yl-propanoic acid | ||
| 23 | 1181801-28-4 | 1-[(butylcarbamoyl)methyl]piperidine-3-carboxylic acid | 1-[(butylcarbamoyl)methyl]piperidine-3-carboxylic acid | ||
| 24 | 1315499-97-8 | tert-butyl 3-carbaMoyl-3-Methylpiperidine-1-carboxylate | tert-butyl 3-carbaMoyl-3-Methylpiperidine-1-carboxylate | ||
| 25 | 1251003-79-8 | tert-butyl 9-oxa-2,6-diazaspiro[4.5]decane-2-carboxylate | tert-butyl 9-oxa-2,6-diazaspiro[4.5]decane-2-carboxylate | ||
| 26 | 1353969-28-4 | [(1-Acetyl-piperidin-2-ylMethyl)-ethyl-aMino]-acetic acid | [(1-Acetyl-piperidin-2-ylMethyl)-ethyl-aMino]-acetic acid | ||
| 27 | 1282720-47-1 | 2-{1-[(2-methylpropyl)carbamoyl]piperidin-3-yl}acetic acid | 2-{1-[(2-methylpropyl)carbamoyl]piperidin-3-yl}acetic acid | ||
| 28 | 1181679-89-9 | 4-Piperidinecarboxylic acid, 1-[2-(butylamino)-2-oxoethyl]- | 1-[(butylcarbamoyl)methyl]piperidine-4-carboxylic acid 4-Piperidinecarboxylic acid, 1-[2-(butylamino)-2-oxoethyl]- | ||
| 29 | 2306262-93-9 | tert-butyl 7-amino-5-oxa-2-azaspiro[3.5]nonane-2-carboxylate | tert-butyl 7-amino-5-oxa-2-azaspiro[3.5]nonane-2-carboxylate | ||
| 30 | 1630906-78-3 | tert-butyl octahydropiperazino[2,1-c]morpholine-8-carboxylate | tert-butyl octahydropiperazino[2,1-c]morpholine-8-carboxylate | ||
| 31 | 2228085-73-0 | tert-butyl 2-(3-hydroxyazetidin-3-yl)pyrrolidine-1-carboxylate | tert-butyl 2-(3-hydroxyazetidin-3-yl)pyrrolidine-1-carboxylate | ||
| 32 | 1779577-11-5 | tert-Butyl octahydro-4H-pyrido[4,3-b][1,4]oxazine-4-carboxylate | tert-butyl octahydro-4H-pyrido[4,3-b][1,4]oxazine-4-carboxylate tert-Butyl octahydro-4H-pyrido[4,3-b][1,4]oxazine-4-carboxylate 4H-Pyrido[4,3-b]-1,4-oxazine-4-carboxylic acid, octahydro-, 1,1-dimethylethyl ester | ||
| 33 | 1251015-74-3 | Tert-Butyl 9-Amino-3-Oxa-7-Azabicyclo[3.3.1]Nonane-7-Carboxylate | Tert-Butyl 9-Amino-3-Oxa-7-Azabicyclo[3.3.1]Nonane-7-Carboxylate | ||
| 34 | 1353958-27-6 | {2-[(Acetyl-isopropyl-aMino)-Methyl]-pyrrolidin-1-yl}-acetic acid | {2-[(Acetyl-isopropyl-aMino)-Methyl]-pyrrolidin-1-yl}-acetic acid | ||
| 35 | 1354007-66-1 | [((S)-1-Acetyl-pyrrolidin-2-ylMethyl)-isopropyl-aMino]-acetic acid | [((S)-1-Acetyl-pyrrolidin-2-ylMethyl)-isopropyl-aMino]-acetic acid | ||
| 36 | 1415562-38-7 | tert-Butyl (2-(2-oxa-6-azaspiro[3.3]heptan-6-yl)et hyl)carbamate... | tert-Butyl (2-(2-oxa-6-azaspiro[3.3]heptan-6-yl)et hyl)carbamate... | ||
| 37 | 1-({[(3-methylbutyl)amino]carbonyl}amino)cyclopentanecarboxylic acid | 1-({[(3-methylbutyl)amino]carbonyl}amino)cyclopentanecarboxylic acid | |||
| 38 | (2-Amino-8-oxa-bicyclo[3.2.1]oct-6-yl)-carbamic acid tert-butyl ester | (2-Amino-8-oxa-bicyclo[3.2.1]oct-6-yl)-carbamic acid tert-butyl ester | |||
| 39 | 1181734-16-6 | 3-Piperidinecarboxylic acid, 1-[2-[(1-methylpropyl)amino]-2-oxoethyl]- | 1-{[(butan-2-yl)carbamoyl]methyl}piperidine-3-carboxylic acid 3-Piperidinecarboxylic acid, 1-[2-[(1-methylpropyl)amino]-2-oxoethyl]- | ||
| 40 | 1357354-13-2 | 5-Amino-7-Oxa-2-Aza-Spiro[3.5]Nonane-2-Carboxylic Acid Tert-Butyl Ester | 5-Amino-7-Oxa-2-Aza-Spiro[3.5]Nonane-2-Carboxylic Acid Tert-Butyl Ester | ||
| 41 | 1251009-06-9 | Trans-Tert-Butylhexahydro-2H-Pyrido[4,3-B][1,4]Oxazine-6(7H)-Carboxylate | Trans-Tert-Butylhexahydro-2H-Pyrido[4,3-B][1,4]Oxazine-6(7H)-Carboxylate (4As*,8as*)-tert-butyl-hexahydro-2h-pyrido[4,3-b][1,4]oxazine-6(7h)-carboxylate | ||
| 42 | 1397243-43-4 | Carbamic acid, N-[2-(4-oxo-1-piperidinyl)ethyl]-, 1,1-dimethylethyl ester | Carbamic acid, N-[2-(4-oxo-1-piperidinyl)ethyl]-, 1,1-dimethylethyl ester | ||
| 43 | 1366647-28-0 | 6-Oxa-2,9-diaza-spiro[4.5]decane-2-carboxylicacidtert-butylester(WX100458) | 6-Oxa-2,9-diaza-spiro[4.5]decane-2-carboxylicacidtert-butylester(WX100458) | ||
| 44 | 313238-53-8 | 9-Hydroxy-3,7-diaza-bicyclo[3.3.1]nonane-3-carboxylic acid tert-butyl ester | 9-Hydroxy-3,7-diaza-bicyclo3.3.1none-3-carboxylic acid tert-butyl ester 9-Hydroxy-3,7-diaza-bicyclo[3.3.1]nonane-3-carboxylic acid tert-butyl ester 3,7-Diazabicyclo[3.3.1]nonane-3-carboxylic acid, 9-hydroxy-, 1,1-dimethylethyl ester | ||
| 45 | 198211-13-1 | Carbamic acid, N-3-oxa-9-azabicyclo[3.3.1]non-7-yl-, 1,1-dimethylethyl ester | Carbamic acid, N-3-oxa-9-azabicyclo[3.3.1]non-7-yl-, 1,1-dimethylethyl ester | ||
| 46 | 1251002-26-2 | 7-Aminomethyl-6-Oxa-2-Aza-Spiro[3.4]Octane-2-Carboxylic Acid Tert-Butyl Ester | 7-Aminomethyl-6-Oxa-2-Aza-Spiro[3.4]Octane-2-Carboxylic Acid Tert-Butyl Ester | ||
| 47 | 1204603-42-8 | (7R,8aS)-tert-Butyl 7-hydroxyhexahydropyrrolo[1,2-a]pyrazine-2(1H)-carboxylate | tert-butyl (7R,8aS)-7-hydroxy-octahydropyrrolo[1,2-a]piperazine-2-carboxylate (7R,8aS)-tert-butyl 7-hydroxyhexahydropyrrolo[1,2-a]pyrazine-2(1H)-carboxylate (7R,8aS)-tert-Butyl 7-hydroxyhexahydropyrrolo[1,2-a]pyrazine-2(1H)-carboxylate tert-Butyl (7R,8aS)-7-Hydroxy-3,4,6,7,8,8a-hexahydro-1H-pyrrolo[1,2-a]pyrazine-2-carboxylate Pyrrolo[1,2-a]pyrazine-2(1H)-carboxylic acid, hexahydro-7-hydroxy-, 1,1-dimethylethyl ester, (7R,8aS)- | ||
| 48 | 2090176-69-3 | tert-butyl (3aR,6aS)-3a-methoxyhexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate | tert-butyl trans-3a-methoxy-octahydropyrrolo[3,4-c]pyrrole-2-carboxylate tert-butyl (3aR,6aS)-3a-methoxyhexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate | ||
| 49 | 1241675-74-0 | cis-tert-butyl 2-(aMinoMethyl)tetrahydro-2H-furo[2,3-c]pyrrole-5(3H)-carboxylate | cis-tert-butyl 2-(aMinoMethyl)tetrahydro-2H-furo[2,3-c]pyrrole-5(3H)-carboxylate (3aR,6aR)-tert-butyl 2-(aminomethyl)tetrahydro-2H-furo[3,2-c]pyrrole-5(3H)-carboxylate tert-butyl (3aR,6aR)-2-(aminomethyl)-2,3,3a,4,6,6a-hexahydrofuro[2,3-c]pyrrole-5-carboxylate (3aR,6aR)-rel-2-(Aminomethyl)hexahydro-5H-furo[2,3-c]pyrrole-5-carboxylic acid tert-butyl ester | ||
| 50 | 1445950-96-8 | Cis-Tert-Butyl 3A-(Hydroxymethyl)Hexahydropyrrolo[3,4-C]Pyrrole-2(1H)-Carboxylate | 1445950-96-8 Cis-Tert-Butyl 3A-(Hydroxymethyl)Hexahydropyrrolo[3,4-C]Pyrrole-2(1H)-Carboxylate (3aS,6aS)-tert-Butyl 3a-(hydroxymethyl)hexahydropyrrolo[3,4-c]pyrrole-2(1H)-carboxylate Cis-Tert-Butyl 3A-(Hydroxymethyl)Hexahydropyrrolo[3,4-C]Pyrrole-2(1H)-Carboxylate(WX111714) | ||
| 51 | 1956307-16-6 | Carbamic acid, N-[1-(1-methylethyl)-2-oxo-3-pyrrolidinyl]-, 1,1-dimethylethyl ester | Carbamic acid, N-[1-(1-methylethyl)-2-oxo-3-pyrrolidinyl]-, 1,1-dimethylethyl ester | ||
| 52 | 1821773-80-1 | Trans- Tert-Butyl Hexahydro-2H-Pyrido[4,3-B][1,4]Oxazine-4(3H)-Carboxylate(WX111238) | Trans- Tert-Butyl Hexahydro-2H-Pyrido[4,3-B][1,4]Oxazine-4(3H)-Carboxylate(WX111238) Trans- Tert-Butyl Hexahydro-2H-Pyrido[4,3-B][1,4]Oxazine-4(3H)-Carboxylate 4H-Pyrido[4,3-b]-1,4-oxazine-4-carboxylic acid, octahydro-, 1,1-dimethylethyl ester, (4aS,8aS)- tert-Butyl (4aS,8aS)-octahydro-4H-pyrido[4,3-b][1,4]oxazine-4-carboxylate | ||
| 53 | 1673534-99-0 | Carbamic acid, N-[(1R)-1-cyano-2-(1,1-dimethylethoxy)ethyl]-, 1,1-dimethylethyl ester | 185903 tert-Butyl (R)-(2-(tert-butoxy)-1-cyanoethyl)carbamate Carbamic acid, N-[(1R)-1-cyano-2-(1,1-dimethylethoxy)ethyl]-, 1,1-dimethylethyl ester | ||
| 54 | 1257293-73-4 | 1-Azetidinecarboxylic acid, 3-[(3S)-3-hydroxy-1-pyrrolidinyl]-,1,1-diMethylethyl ester | 1-Azetidinecarboxylic acid, 3-[(3S)-3-hydroxy-1-pyrrolidinyl]-,1,1-diMethylethyl ester | ||
| 55 | 1932320-52-9 | 8-Oxa-3,10-diazabicyclo[4.3.1]decane-3-carboxylic acid, 1,1-dimethylethyl ester, (1R,6S)- | 1,1-Dimethylethyl (1R,6S)-8-oxa-3,10-diazabicyclo[4.3.1]decane-3-carboxylate 8-Oxa-3,10-diazabicyclo[4.3.1]decane-3-carboxylic acid, 1,1-dimethylethyl ester, (1R,6S)- | ||
| 56 | 1932441-42-3 | (Meso-1R,5S,9S)-Tert-Butyl 9-Amino-3-Oxa-7-Azabicyclo[3.3.1]Nonane-7-Carboxylate(WX120552) | (1R,5S,9s)-tert-butyl 9-amino-3-oxa-7-azabicyclo[3.3.1]nonane-7-carboxylate (Meso-1R,5S,9S)-Tert-Butyl 9-Amino-3-Oxa-7-Azabicyclo[3.3.1]Nonane-7-Carboxylate (Meso-1R,5S,9S)-Tert-Butyl 9-Amino-3-Oxa-7-Azabicyclo[3.3.1]Nonane-7-Carboxylate(WX120552) 3-Oxa-7-azabicyclo[3.3.1]nonane-7-carboxylic acid, 9-amino-, 1,1-dimethylethyl ester, (9-syn)- | ||
| 57 | 1616434-40-2 | 1H-Pyrido[3,4-b][1,4]oxazine-1-carboxylic acid, octahydro-, 1,1-dimethylethyl ester, (4aR,8aR)- | 1H-PYRIDO[3,4-B][1,4]OXAZINE-1-CARBOXYLIC ACID, OCTAHYDRO-, 1,1-DIMETHYLETHYL ESTER, (4AR 1H-Pyrido[3,4-b][1,4]oxazine-1-carboxylic acid, octahydro-, 1,1-dimethylethyl ester, (4aR,8aR)- | ||
| 58 | 1273568-20-9 | Racemic-(3R,3aS,6aS)-tert-butyl 3-(aminomethyl)tetrahydro-2h-furo[2,3-c]pyrrole-5(3H)-carboxylate | (3R,3aS,6aS)-tert-butyl 3-(aminomethyl)tetrahydro-2H-furo[2,3-c]pyrrole-5(3H)-carboxylate Rel-(3R,3aS,6aS)-tert-butyl 3-(aminomethyl)tetrahydro-2H-furo[2,3-c]pyrrole-5(3H)-carboxylate Racemic-(3R,3aS,6aS)-tert-butyl 3-(aminomethyl)tetrahydro-2h-furo[2,3-c]pyrrole-5(3H)-carboxylate Racemic-(3R,3aS,6aS)-tert-butyl 3-(aminomethyl)tetrahydro-2H-furo[2,3-c]pyrrole-5(3H)-carboxylate Racemic-(3R,3aS,6aS)-tert-butyl 3-(aminomethyl)tetrahydro-2H-furo[2,3-c]pyrrole-5(3H)-carboxylate(WX110661) | ||
| 59 | 1932549-60-4 | 7H-Pyrrolo[3,4-f]-1,4-oxazepine-7-carboxylic acid, octahydro-, 1,1-dimethylethyl ester, (5aS,8aS)- | Cis-tert-butyl (5aS,8aS)-2,3,4,5,5a,6,8,8a-octahydropyrrolo[3,4-f][1,4]oxazepine-7-carboxylate 7H-Pyrrolo[3,4-f]-1,4-oxazepine-7-carboxylic acid, octahydro-, 1,1-dimethylethyl ester, (5aS,8aS)- | ||
| 60 | 2206606-10-0 | 4H-Pyrido[4,3-b]-1,4-oxazine-4-carboxylic acid, octahydro-, 1,1-dimethylethyl ester, (4aR,8aR)-rel- | rel-tert-Butyl (4aR,8aR)-octahydro-4H-pyrido[4,3-b][1,4]oxazine-4-carboxylate 4H-Pyrido[4,3-b]-1,4-oxazine-4-carboxylic acid, octahydro-, 1,1-dimethylethyl ester, (4aR,8aR)-rel- | ||
| 61 | 2852766-01-7 | 3,8-Diazabicyclo[3.2.1]octane-8-carboxylic acid, 1-(hydroxymethyl)-, 1,1-dimethylethyl ester, (1S,5R)- | 3,8-Diazabicyclo[3.2.1]octane-8-carboxylic acid, 1-(hydroxymethyl)-, 1,1-dimethylethyl ester, (1S,5R)- tert-Butyl (1S,5R)-1-(hydroxymethyl)-3,8-diazabicyclo[3.2.1]octane-8-carboxylate | ||
| 62 | 2820536-71-6 | 3,8-Diazabicyclo[3.2.1]octane-8-carboxylic acid, 2-(hydroxymethyl)-, 1,1-dimethylethyl ester, (1S,2S,5R)- | 3,8-Diazabicyclo[3.2.1]octane-8-carboxylic acid, 2-(hydroxymethyl)-, 1,1-dimethylethyl ester, (1S,2S,5R)- (1S,2S,5R)-2-((tert-butyldimethylsiloxy)methyl)-3,8-diazabicyclo[3.2.1]octane-8-carboxylate tert-butyl ester tert-butyl (1S,2S,5R)-2-(hydroxymethyl)-3,8-diazabicyclo[3.2.1]octane-8-carboxylate | ||
| 63 | 1263180-86-4 | Racemic-(2R,3aR,6aR)-tert-butyl 2-(aminomethyl)tetrahydro-2H-furo[2,3-c]pyrrole-5(3H)-carboxylater(WX110546) | (2R,3AR,6AR)-TERT-BUTYL 2-(AMINOMETHYL)TETRAHYDRO-2H-FURO[2,3-C]PYRROLE-5(3H)-CARBOXYLATE Racemic-(2R,3aR,6aR)-tert-butyl 2-(aminomethyl)tetrahydro-2H-furo[2,3-c]pyrrole-5(3H)-carboxylater Racemic-(2R,3aR,6aR)-tert-butyl 2-(aminomethyl)tetrahydro-2H-furo[2,3-c]pyrrole-5(3H)-carboxylater(WX110546) | ||
| 64 | (3S)-3-(Acetylamino)piperidine, N1-BOC protected, (3S)-3-Acetamido-1-(tert-butoxycarbonyl)piperidine, tert-Butyl (3S)-3-(acetylamino)piperidine-1-carboxylate | (3S)-3-(Acetylamino)piperidine, N1-BOC protected, (3S)-3-Acetamido-1-(tert-butoxycarbonyl)piperidine, tert-Butyl (3S)-3-(acetylamino)piperidine-1-carboxylate (3S)-3-Acetamidopiperidine, N1-BOC protected |
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