CAS number index

CAS numbers starting with 21, page 5

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

Showing 401 to 500 of 8,045 chemicals

CAS numberChemical nameFormulaMol. weight

210639-98-86-Ethyl-3-(1-methyl-1H-benzimidazol-2-yl)-4-oxo-4H-chromen-7-yl 4-methoxybenzoateC₂₇H₂₂N₂O₅454.48
210639-99-96-Ethyl-3-(1-methyl-1H-benzo[d]imidazol-2-yl)-4-oxo-4H-chromen-7-yl benzoateC₂₆H₂₀N₂O₄424.46
21064-18-6Glu-AlaC₈H₁₄N₂O₅218.21
21064-19-71,5,9-Cyclododecatriene, 1,5,9-trimethyl-C₁₅H₂₄204.36
21064-49-36,11-Dihydro-5H-benzo(a)carbazoleC₁₆H₁₃N219.29
21064-52-88,9,10,11-Tetrahydro-7H-benzo[c]carbazoleC₁₆H₁₅N221.30
21064-69-7Ethanaminium, 2-hydroxy(4-nitrophenoxy)phosphinyloxy-N,N,N-trimethyl-, inner saltC₁₁H₁₇N₂O₆P304.24
2106439-41-07-Bromo-8-fluoroquinoline-2-carboxylic acidC₁₀H₅BrFNO₂270.06
210644-32-9FutalosineC₁₉H₁₈N₄O₇414.37
2106441-57-87-Fluorothieno[2,3-c]pyridineC₇H₄FNS153.18
210645-95-75-Isopropyl-2-((methylthiomethyl)thio)-6-(benzyl)pyrimidin-4(1H)-oneC₁₆H₂₀N₂OS₂320.48
2106452-76-81-(Bromomethyl)-1,3-dimethylcyclobutaneC₇H₁₃Br177.09
210647-03-32-(1,4-Dioxan-2-yl)acetic acidC₆H₁₀O₄146.14
2106480-16-2Methyl 2-(5-chlorothiophen-2-yl)-3,3-dimethylbutanoateC₁₁H₁₅ClO₂S246.76
2106567-27-3(3-(Aminomethyl)-4-methylmorpholin-3-yl)methanolC₇H₁₆N₂O₂160.22
21066-18-2(3alpha,5beta,6alpha,12alpha)-3,6,12-Trihydroxycholan-24-oic acidC₂₄H₄₀O₅408.58
21066-20-6Methyl 3alpha,12alpha-diacetyloxy-7-oxo-5beta-cholanateC₂₉H₄₄O₇504.66
2106639-41-02-[1-(Methoxycarbonyl)cyclopropyl]acetic acidC₇H₁₀O₄158.15
2106705-02-44-(Ethoxycarbonyl)spiro[2.2]pentane-1-carboxylic acidC₉H₁₂O₄184.19
2106708-84-18-Chloroimidazo[1,2-a]pyridine-3-carbonitrileC₈H₄ClN₃177.59
2106741-59-52-(4,5,6,7-Tetrahydro-1-benzothiophen-2-yl)acetonitrileC₁₀H₁₁NS177.27
2106753-25-5CyclopropylmethanesulfinamideC₄H₉NOS119.19
2106763-23-72,5-Dioxa-7-azaspiro[3.4]octan-6-oneC₅H₇NO₃129.12
2106795-02-01,2-di-tert-Butyl 2,3-dihydro-1H-pyrazole-1,2-dicarboxylateC₁₃H₂₂N₂O₄270.33
210685-32-8rac-(1R,2R)-2-(Cyclopropylamino)cyclopentan-1-olC₈H₁₅NO141.21
210686-41-2HydroxyebastineC₃₂H₃₉NO₃485.67
210686-42-3N-(4-(4-Thiomorpholinylmethyl)phenyl)(1,1'-biphenyl)-4-methanamineC₂₄H₂₆N₂S374.55
210686-43-44-(4-Nitrobenzyl)thiomorpholineC₁₁H₁₄N₂O₂S238.31
210691-38-61-(Trifluoroacetyl)-2,3-dihydro-1H-indole-5-sulfonyl chlorideC₁₀H₇ClF₃NO₃S313.68
210694-04-54-(2,2-Dimethylpropoxy)benzaldehydeC₁₂H₁₆O₂192.26
2106988-56-91-Methyl-5-phenyl-1H-pyrrolo(3,2-b)pyridine-3-carboxylic acidC₁₅H₁₂N₂O₂252.27
2106998-42-73,3-Difluoro-2,2-dimethylpropanenitrileC₅H₇F₂N119.11
2107-08-61-Bromo-3-fluoropropan-2-olC₃H₆BrFO156.98
2107-69-95,6-Dimethoxy-1-indanoneC₁₁H₁₂O₃192.21
2107-70-23-(3,4-Dimethoxyphenyl)propionic acidC₁₁H₁₄O₄210.23
2107-75-74-Methyl-2H-benzo[h]chromen-2-oneC₁₄H₁₀O₂210.23
2107-76-85,7-Dihydroxy-4-methylcoumarinC₁₀H₈O₄192.17
2107-77-97,8-Dihydroxy-4-methylcoumarinC₁₀H₈O₄192.17
2107-78-07-Hydroxy-3,4-dimethyl-2H-chromen-2-oneC₁₁H₁₀O₃190.20
21070-54-2(4-Chlorophenyl)[4-(4-chlorophenyl)-4-hydroxy-1-methylpiperidin-3-yl]methanoneC₁₉H₁₉Cl₂NO₂364.27
2107018-88-06-Fluoropyridazine-4-carbonitrileC₅H₂FN₃123.09
2107029-70-7Ethyl 4-formyl-1,3-dimethyl-1H-pyrrole-2-carboxylateC₁₀H₁₃NO₃195.22
2107040-58-2Spiro[3.4]octane-1-sulfonyl chlorideC₈H₁₃ClO₂S208.71
210705-84-32-Bromo-4-hexylthiopheneC₁₀H₁₅BrS247.20
210706-50-6Hexadecyl 3-(2-(5,5-dimethyl-2,4-dioxo-1,3-oxazolidin-3-yl)-4,4-dimethyl-3-oxovaleramido)-4-isopropoxybenzoateC₃₈H₆₀N₂O₈672.90
21071-24-94-MethoxybutanalC₅H₁₀O₂102.13
21071-27-21-Hexyl-2-thioureaC₇H₁₆N₂S160.29
21071-28-31,3-(Dihexyl)thioureaC₁₃H₂₈N₂S244.45
21071-31-8Phosphoric acid triethanolamine saltC₆H₁₈NO₇P247.18
2107160-80-3[1-(Methoxymethyl)-3-methylcyclobutyl]methanolC₈H₁₆O₂144.21
2107185-00-0Methyl 5-fluoro-4-methoxy-1H-indole-2-carboxylateC₁₁H₁₀FNO₃223.20
2107269-40-72-Oxa-6-azaspiro[3.5]nonan-7-oneC₇H₁₁NO₂141.17
2107271-27-04-Bromo-3-methoxy-1,2-thiazole-5-carboxylic acidC₅H₄BrNO₃S238.06
2107345-32-24-(2-Chlorophenyl)-2-oxobutanoic acidC₁₀H₉ClO₃212.63
2107364-99-65-Bromo-1,3-thiazole-4-carbohydrazideC₄H₄BrN₃OS222.07
21074-40-81-Benzyl-1H-pyrazol-3(2H)-oneC₁₀H₁₀N₂O174.20
21074-63-5DihydroxanthyletinC₁₄H₁₄O₃230.26
2107492-21-5Methyl 1-amino-1H-pyrrole-2-carboxylate hydrochlorideC₆H₉ClN₂O₂176.60
21075-83-21-Boc-1-methylhydrazineC₆H₁₄N₂O₂146.19
21075-86-5N-(Prop-2-en-1-yl)(tert-butoxy)carbohydrazideC₈H₁₆N₂O₂172.23
210751-39-6LY 367265C₂₄H₂₅FN₄O₂S452.56
210754-25-9(1R)-1-(4-Aminophenyl)ethan-1-olC₈H₁₁NO137.18
210755-45-62-(((4-(4-Fluorophenoxy)phenyl)sulfonyl)amino)-N-hydrox y-2-methylpropanamideC₁₆H₁₇FN₂O₅S368.39
2107558-00-7tert-Butyl 3-(3-methoxy-3-oxopropyl)azetidine-1-carboxylateC₁₂H₂₁NO₄243.30
2107568-98-73-{Spiro[3.3]heptan-2-yl}prop-2-ynoic acidC₁₀H₁₂O₂164.20
210758-43-3Barium bis(3,4,5,5-tetramethyl-2-propylcyclopenta-1,3-dien-1-ide)C₂₄H₃₈Ba463.90
21076-09-5Sbb062267C₈H₁₁N₃S181.26
21076-11-9Hydrazinecarbothioamide, N-methyl-N-phenyl-C₈H₁₁N₃S181.26
21076-23-3N-Benzyl-1-methylhydrazinecarbothioamideC₉H₁₃N₃S195.29
2107607-67-8Methyl 3,3-dimethyl-2-(thiophen-2-yl)butanoateC₁₁H₁₆O₂S212.31
210766-89-52-{[3-Cyano-4-(pyridin-4-yl)-5,6,7,8-tetrahydroquinolin-2-yl]sulfanyl}acetamideC₁₇H₁₆N₄OS324.41
210767-37-6(9H-Fluoren-9-yl)methyl N-(3-aminopropyl)carbamate hydrochlorideC₁₈H₂₁ClN₂O₂332.83
2107672-50-23-(Oxolan-2-yl)-1,2-oxazole-4-carboxylic acidC₈H₉NO₄183.16
2107693-40-1tert-Butyl N-[6-(1-aminoethyl)pyridin-2-yl]carbamateC₁₂H₁₉N₃O₂237.30
21077-81-6(Dimethylamino)(methyl)oxo(phenyl)-lambda6-sulfanylium, tetrafluoroboranuideC₉H₁₄BF₄NOS271.09
2107721-70-83-Fluoro-5-(trifluoromethyl)pyridazineC₅H₂F₄N₂166.08
210774-08-62-(Benzimidazol-1-yl)-1-(5-ethyl-2,4-dihydroxyphenyl)ethanoneC₁₇H₁₆N₂O₃296.33
210776-65-13,4-DichloromethylphenidateC₁₄H₁₇Cl₂NO₂302.20
21078-48-8(4-Methoxy-3-nitrophenyl)methanamine hydrochlorideC₈H₁₁ClN₂O₃218.64
21078-65-91-Decanol, 2-ethyl-C₁₂H₂₆O186.34
21078-83-15-TetradecanolC₁₄H₃₀O214.39
21078-87-55-HexadecanolC₁₆H₃₄O242.45
2107831-99-0Methyl 1-methyl-1H,4H,6H,7H-thiopyrano(4,3-b)pyrrole-2-carboxylateC₁₀H₁₃NO₂S211.29
2107832-31-3Methyl 4-(cyanomethyl)cyclohexane-1-carboxylateC₁₀H₁₅NO₂181.24
21079-01-62-(4-Methylphenyl)sulfonylethyl 2-(phenylmethoxycarbonylamino)acetateC₁₉H₂₁NO₆S391.44
2107906-04-52-(3-Bromophenyl)-3-methylcyclopropane-1-carboxylic acidC₁₁H₁₁BrO₂255.11
2107921-28-62-[2-Methyl-4-(trifluoromethyl)furan-3-yl]acetonitrileC₈H₆F₃NO189.14
2107939-73-92-(2,2-Difluorocyclopropyl)ethane-1-sulfonamideC₅H₉F₂NO₂S185.19
2107992-96-92-(Bromomethyl)-2-methylspiro[3.3]heptaneC₉H₁₅Br203.12
21080-31-912,13-Dihydro-1,2,13-trimethoxy-12-methyl(1,3)benzodioxolo(5,6-c)phenanthridineC₂₂H₂₁NO₅379.41
21080-80-8Ethyl 4-cyclopropyl-2,4-dioxobutanoateC₉H₁₂O₄184.19
21080-85-35-Cyclopropyl-1,2-oxazol-3-amineC₆H₈N₂O124.14
21080-91-13-Cyclopropyl-1,2-oxazol-5-amineC₆H₈N₂O124.14
21080-92-22-(Thiophen-3-yl)propanedioic acidC₇H₆O₄S186.19
2108043-77-06-Bromo-5,7-difluoro-2,3-dihydro-1H-indol-2-oneC₈H₄BrF₂NO248.03
2108045-67-4tert-Butyl 4-(2-bromoethynyl)-4-fluoropiperidine-1-carboxylateC₁₂H₁₇BrFNO₂306.18
2108051-99-4Spiro[2.4]heptane-4-carbonitrileC₈H₁₁N121.18
21081-82-31-Bromo-1,1,2,2,3,3,4,4-octaphenyltetrasilaneC₄₈H₄₁BrSi₄810.10
2108104-90-94-(Piperazin-1-yl)pyrimidine hydrochlorideC₈H₁₃ClN₄200.67
2108118-84-7Methyl 2-amino-3-(6-chloro-1H-indol-3-yl)propanoate hydrochlorideC₁₂H₁₄Cl₂N₂O₂289.16

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