CAS number index

CAS numbers starting with 21, page 32

8,045 chemicals have a CAS number that starts with 21. They are listed in CAS order.

Showing 3,101 to 3,200 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

2138145-33-0Methyl 3-(1-aminocyclohexyl)propanoate hydrochlorideC₁₀H₂₀ClNO₂221.73
2138145-57-84-(((9H-Fluoren-9-yl)methoxy)carbonyl)-2,3,4,5-tetrahydro-1,4-benzoxazepine-8-carboxylic acidC₂₅H₂₁NO₅415.44
2138145-63-62,2,6-Trimethylpiperidine hydrochlorideC₈H₁₈ClN163.69
2138146-93-52-(Oxan-4-yl)-1,3-oxazoleC₈H₁₁NO₂153.18
2138148-69-1tert-Butyl 3-amino-3-ethynylazetidine-1-carboxylateC₁₀H₁₆N₂O₂196.25
2138149-00-31-(Methoxymethyl)cyclobutane-1-sulfonamideC₆H₁₃NO₃S179.24
2138149-32-14-Chloro-6-cyclobutyl-3-nitroquinolineC₁₃H₁₁ClN₂O₂262.70
2138149-55-8Propyl piperazine-1-carboxylate hydrochlorideC₈H₁₇ClN₂O₂208.69
2138150-58-8[1-(Aminomethyl)-2-oxabicyclo[2.1.1]hexan-4-yl]methanol hydrochlorideC₇H₁₄ClNO₂179.65
2138151-02-5{3-Chloroimidazo[1,2-a]pyridin-2-yl}methanamine dihydrochlorideC₈H₁₀Cl₃N₃254.55
2138151-85-43-(((tert-Butoxy)carbonyl)amino)-2-(2-chlorophenyl)propanoic acidC₁₄H₁₈ClNO₄299.75
2138151-98-9Ethyl 4-oxo-5-(trifluoromethyl)cycloheptane-1-carboxylateC₁₁H₁₅F₃O₃252.23
2138152-79-9tert-Butyl1-methyl-2,2,4-trioxo-2lambda6-thia-1,7-diazaspiro[4.5]decane-7-carboxylateC₁₃H₂₂N₂O₅S318.39
2138154-82-05-(Difluoromethyl)-3-phenyl-1,2-oxazole-4-carboxylic acidC₁₁H₇F₂NO₃239.18
2138155-71-04-(Chloromethyl)-3,5-dimethylbenzonitrileC₁₀H₁₀ClN179.65
2138156-05-32-(5,5-Dimethyloxan-2-yl)ethan-1-amineC₉H₁₉NO157.26
2138157-05-6N-[3-(Aminomethyl)phenyl]-N-methylmethanesulfonamide hydrochlorideC₉H₁₅ClN₂O₂S250.75
2138157-46-5[3-(1H-1,2,4-Triazol-3-yl)phenyl]methanamine dihydrochlorideC₉H₁₂Cl₂N₄247.13
2138157-51-22-Amino-6-(1-methylpyrrolidin-3-yl)pyrimidin-4-olC₉H₁₄N₄O194.24
2138157-53-42-(Bromomethyl)-4-chloropyridine hydrobromideC₆H₆Br₂ClN287.38
2138157-71-61,1,3-Trioxo-2H,3H-1lambda6-(1,2)thiazolo(4,5-b)pyridine-6-carboxylic acidC₇H₄N₂O₅S228.19
2138157-80-74-[1-(tert-Butoxy)-2-methyl-1-oxopropan-2-yl]benzoic acidC₁₅H₂₀O₄264.32
2138159-10-92-Chloro-4-phenyl-1,3-thiazole-5-sulfonyl chlorideC₉H₅Cl₂NO₂S₂294.18
2138159-13-22-Amino-2-(1H-imidazol-2-yl)ethan-1-ol hydrochlorideC₅H₁₀ClN₃O163.61
2138159-17-62-Amino-5-chloro-4-fluoro-3-nitrobenzoic acidC₇H₄ClFN₂O₄234.57
2138160-47-94-Cyclopropyloxolan-3-amine hydrochlorideC₇H₁₄ClNO163.65
2138162-49-7(1-Methyl-2-oxabicyclo(2.1.1)hexan-4-yl)methanolC₇H₁₂O₂128.17
2138162-66-87-Cyclopropylheptan-1-amineC₁₀H₂₁N155.28
2138162-83-9(3-Aminocyclopentyl)methanol hydrochlorideC₆H₁₄ClNO151.64
2138164-30-22-(Aminomethyl)-5-methyl-1,3-thiazole-4-carboxylic acid dihydrochlorideC₆H₁₀Cl₂N₂O₂S245.13
2138164-56-21-(Pyridin-4-yl)bicyclo(2.1.1)hexane-5-carboxylic acidC₁₂H₁₃NO₂203.24
2138164-58-43,6-Difluoro-2-formylbenzoic acidC₈H₄F₂O₃186.11
2138165-91-81-(3-Fluoro-4-methylphenyl)ethanamine hydrochlorideC₉H₁₃ClFN189.66
2138166-16-09-Bromo-5-oxo-2,3,4,5-tetrahydro-1,4-benzoxazepine-7-carboxylic acidC₁₀H₈BrNO₄286.08
2138167-71-04-Bromothiophene-3-sulfinic acidC₄H₃BrO₂S₂227.10
2138167-83-4Sodium (1-((tert-butoxy)carbonyl)pyrrolidin-3-yl)methanesulfinateC₁₀H₁₈NNaO₄S271.31
2138169-09-0Bis((1,3-thiazol-5-yl)methyl)amine trihydrochlorideC₈H₁₂Cl₃N₃S₂320.70
2138169-16-98-(((9H-Fluoren-9-yl)methoxy)carbonyl)-8-azabicyclo(3.2.1)octane-3-carboxylic acidC₂₃H₂₃NO₄377.44
2138169-22-7rac-(2R,4r,6S)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)-2,6-dimethylpiperidine-4-carboxylic acidC₂₃H₂₅NO₄379.46
2138169-55-6{4H,5H,6H,7H,8H-Cyclohepta[d][1,2]oxazol-3-yl}methanesulfonyl chlorideC₉H₁₂ClNO₃S249.72
2138171-83-04-(Piperidine-1-sulfonyl)piperidine hydrochlorideC₁₀H₂₁ClN₂O₂S268.81
2138171-98-72-(2-Aminoethyl)-5-methyl-1,3-thiazole-4-carboxylic acid dihydrochlorideC₇H₁₂Cl₂N₂O₂S259.16
2138172-01-5N-Phenylazetidin-3-amine dihydrochlorideC₉H₁₄Cl₂N₂221.13
2138172-74-22,2-Dimethyl-2,3-dihydro-1H-inden-5-amineC₁₁H₁₅N161.25
2138173-24-56-(Bromomethyl)bicyclo[3.2.0]heptaneC₈H₁₃Br189.10
2138174-09-95-Formylthiophene-3-sulfonyl chlorideC₅H₃ClO₃S₂210.66
2138174-19-15-Iodo-1-methyl-1H-pyrazol-4-amine dihydrochlorideC₄H₈Cl₂IN₃295.94
2138175-27-47-Methyl-1,4-oxazepane hydrochlorideC₆H₁₄ClNO151.64
2138177-54-3Methyl 7-bromothieno[3,2-c]pyridine-2-carboxylateC₉H₆BrNO₂S272.12
2138177-98-53-Ethenyl-4-methylthiophene-2-carboxylic acidC₈H₈O₂S168.22
2138178-93-31-[({1-[(tert-Butoxy)carbonyl]azetidin-3-yl}({[(9H-fluoren-9-yl)methoxy]carbonyl})amino)methyl]cyclopropane-1-carboxylic acidC₂₈H₃₂N₂O₆492.57
2138179-33-44-Bromo-5-(oxan-4-yl)-1H-pyrazoleC₈H₁₁BrN₂O231.09
2138179-87-8(2,6-Difluorophenyl)methanesulfonyl fluorideC₇H₅F₃O₂S210.18
2138180-59-14-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-4H,5H,6H,7H-pyrazolo[1,5-a]pyridine-3-carboxylic acidC₂₄H₂₃N₃O₄417.46
2138180-71-7(4,5,6,7-Tetrahydro-1H-benzo[d]imidazol-2-yl)methanamine bis(2,2,2-trifluoroacetate)C₁₂H₁₅F₆N₃O₄379.26
2138180-95-5rac-(1R,2R)-1-(Aminomethyl)-2-methanesulfonylcyclopropane-1-carboxylic acid hydrochlorideC₆H₁₂ClNO₄S229.69
2138181-69-6Methyl 7-methoxy-3,4,5,6-tetrahydro-2H-azepine-4-carboxylateC₉H₁₅NO₃185.22
2138182-03-12,4-Bis[(tert-butoxy)carbonyl]morpholine-2-carboxylic acidC₁₅H₂₅NO₇331.37
2138184-07-12-((1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidin-4-yl)(methyl)amino)acetic acidC₂₃H₂₆N₂O₄394.47
2138185-27-82-[4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)oxan-3-yl]acetic acidC₂₂H₂₃NO₅381.43
2138185-55-25-Bromo-2-(2-methylpropyl)-4-(trifluoromethyl)-1,3-thiazoleC₈H₉BrF₃NS288.13
2138186-02-2Methyl 7-bromo-5-chloro-2,3-dihydro-1-benzofuran-2-carboxylateC₁₀H₈BrClO₃291.53
2138186-74-82-(Methoxymethoxy)-6-methylbenzene-1-sulfonyl chlorideC₉H₁₁ClO₄S250.70
2138187-22-92-Chloro-1,3-thiazole-5-sulfonyl fluorideC₃HClFNO₂S₂201.63
2138187-32-1(4-Methoxyphenyl)(1-methyl-1H-imidazol-2-yl)methanamine dihydrochlorideC₁₂H₁₇Cl₂N₃O290.19
2138187-39-8Sodium 1-((tert-butoxy)carbonyl)-4-(piperidin-1-yl)piperidine-4-carboxylateC₁₆H₂₇N₂NaO₄334.39
2138187-40-14-Ethynylspiro[2.4]heptaneC₉H₁₂120.19
2138188-73-3(1,4-Dimethyl-1H-pyrazol-3-yl)methanamine dihydrochlorideC₆H₁₃Cl₂N₃198.10
213819-48-8Belotecan hydrochlorideC₂₅H₂₈ClN₃O₄469.97
2138191-03-2(5-Bromo-1,3-benzothiazol-2-yl)methanamine hydrochlorideC₈H₈BrClN₂S279.59
2138191-06-5(2-Aminoethyl)(cyclopropylmethyl)amine dihydrochlorideC₆H₁₆Cl₂N₂187.11
2138191-13-42-Amino-1-(pyrazin-2-yl)ethan-1-one dihydrochlorideC₆H₉Cl₂N₃O210.06
2138192-03-5tert-Butyl 4-formyl-4-(trifluoromethyl)piperidine-1-carboxylateC₁₂H₁₈F₃NO₃281.27
2138192-10-42-Oxo-1,2-dihydroquinoline-6-sulfonyl fluorideC₉H₆FNO₃S227.22
2138192-21-7rac-(1R,6S)-2-Azabicyclo(4.1.0)heptane-1-carboxamide hydrochlorideC₇H₁₃ClN₂O176.65
2138193-49-25-(1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}pyrrolidin-2-yl)-1H-1,2,3-triazole-4-carboxylic acidC₂₂H₂₀N₄O₄404.43
2138193-88-96-Fluoro-2-formyl-3-hydroxybenzoic acidC₈H₅FO₄184.12
2138194-28-0tert-Butyl N-(3-acetylcyclobutyl)carbamateC₁₁H₁₉NO₃213.28
2138194-61-11-(3-Bromopyridin-4-yl)ethan-1-amine dihydrochlorideC₇H₁₁BrCl₂N₂273.99
2138194-65-52-(((9H-Fluoren-9-yl)methoxy)carbonyl)-6,6-dioxo-6lambda6-thia-2-azaspiro(3.4)octane-8-carboxylic acidC₂₂H₂₁NO₆S427.48
2138194-82-61-Methyl-2-oxabicyclo[2.2.2]octane-4-carbaldehydeC₉H₁₄O₂154.21
2138195-06-74-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)-1-methyl-1H-pyrazole-5-carboxylic acidC₂₁H₁₉N₃O₄377.40
2138195-16-9Ethyl(pent-4-en-1-yl)amine hydrochlorideC₇H₁₆ClN149.66
2138195-24-9N-Methoxy-N-methylazetidin-3-amine dihydrochlorideC₅H₁₄Cl₂N₂O189.09
2138196-48-05-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-iodo-4H,5H,6H-thieno[2,3-c]pyrrole-2-carboxylic acidC₂₂H₁₆INO₄S517.34
2138197-63-25-[({1-[(tert-Butoxy)carbonyl]piperidin-4-yl}({[(9H-fluoren-9-yl)methoxy]carbonyl})amino)methyl]thiophene-2-carboxylic acidC₃₁H₃₄N₂O₆S562.69
2138198-44-23-Iodo-5H,6H,8H-[1,2,4]triazolo[3,4-c][1,4]oxazineC₅H₆IN₃O251.03
2138198-49-75-Iodo-2-(trifluoromethyl)-1,3-thiazoleC₄HF₃INS279.02
2138198-53-3(4-Bromo-5-ethyl-1-methyl-1H-pyrazol-3-yl)methanolC₇H₁₁BrN₂O219.08
2138198-80-61H,2H,3H,4H,5H-Pyrido[3,4-b]azepine dihydrochlorideC₉H₁₄Cl₂N₂221.13
2138198-94-2rac-(3aR,7aR)-2-[(tert-butoxy)carbonyl]-octahydropyrano[3,4-c]pyrrole-7a-carboxylic acidC₁₃H₂₁NO₅271.31
2138199-04-7rac-[(1R,3S)-3-Aminocyclopentyl]methanesulfonyl fluoride hydrochlorideC₆H₁₃ClFNO₂S217.69
2138199-74-13-Phenyl-5H,6H,8H-imidazo[4,3-c][1,4]oxazine-1-carboxylic acidC₁₃H₁₂N₂O₃244.25
21382-50-3Bis(benzo[b]furan-2-yl)methanoneC₁₇H₁₀O₃262.26
21382-98-94-(Methylthio)benzonitrileC₈H₇NS149.22
2138201-21-31,4-Dibromo-7-methylisoquinolineC₁₀H₇Br₂N300.98
2138201-37-11-Cyclopropyl-3-ethyl-1H-pyrazole-4-carboxylic acidC₉H₁₂N₂O₂180.21
2138201-55-34-Bromo-8-fluoro-1,2-dihydroisoquinolin-1-oneC₉H₅BrFNO242.05
2138204-41-64-(Aminomethyl)-2-nitrophenol, sulfuric acidC₇H₁₀N₂O₇S266.23
2138204-48-31,7-Dioxaspiro(4.4)non-2-en-4-oneC₇H₈O₃140.14

All pages for 21 (81 pages)Show all

Every CAS number here is checked for a valid check digit. Confirm it with the supplier before you order. CAS Registry Number is a registered trademark of the American Chemical Society.