CAS number index

CAS numbers starting with 2, page 31

55,552 chemicals have a CAS number that starts with 2. They are listed in CAS order.

Showing 3,001 to 3,100 of 5,000 chemicals

CAS numberChemical nameFormulaMol. weight

204909-70-6D-Glucitol,1,4:3,6-dianhydro-2-O-((1,1-dimethylethyl)dimethylsilyl)-C₁₂H₂₄O₄Si260.41
20491-53-6Di-i-propylphosphineC₆H₁₅P118.16
20491-92-32,4,6-TrimethoxyphenolC₉H₁₂O₄184.19
204910-49-63-(Thiophen-2-yl)-1,2-oxazole-5-carboxylic acidC₈H₅NO₃S195.20
2049109-24-02-[3-(But-3-yn-1-yl)-3H-diazirin-3-yl]acetic acidC₇H₈N₂O₂152.15
204913-01-9tert-Butyl N-((1S,3R)-3-acetylcyclopentyl)carbamateC₁₂H₂₁NO₃227.30
204918-22-91,1-Dimethyl-2-oxo-2-(2-propen-1-yloxy)ethyl 2-chloro-5-isocyanatobenzoateC₁₅H₁₄ClNO₅323.73
204919-14-2Idn-1965C₂₁H₂₆FN₃O₅419.45
20492-07-32-(Furan-2-yl)-4H-3,1-benzoxazin-4-oneC₁₂H₇NO₃213.19
204920-63-84-[(E)-(Hydroxyimino)methyl]phenyl 4-methoxybenzoateC₁₅H₁₃NO₄271.27
204927-15-1Imidazo(1,2-a)pyridin-5-amine hydrochlorideC₇H₈ClN₃169.62
20493-41-8QuinapyramineC₁₇H₂₁N₆+309.40
20493-56-5CurzerenoneC₁₅H₁₈O₂230.31
20493-60-15-Bromo-3-methylisothiazoleC₄H₄BrNS178.05
2049588-24-9ItrizoleC₃₅H₃₈Cl₂N₈O₄705.65
20497-21-6LaunobineC₁₈H₁₇NO₄311.34
20497-42-1MajdineC₂₃H₂₈N₂O₆428.49
20497-90-91-(1-Adamantyl)-4-methylpyridinium bromideC₁₆H₂₂BrN308.26
20497-95-4Methyl 3-nitropropanoateC₄H₇NO₄133.10
204970-97-84-(((1S)-2-((3S)-3-Hydroxy-1-pyrrolidinyl)-1-phenylethyl)methylamino)-N-propylbenzamideC₂₃H₃₁N₃O₂381.52
204973-10-44-Amino-2-chloro-N-propylbenzamideC₁₀H₁₃ClN₂O212.68
204974-28-73-(4-Chlorophenyl)-1-(4-hydroxyphenyl)prop-2-en-1-oneC₁₅H₁₁ClO₂258.70
204974-32-3(2E)-3-(4-Fluorophenyl)-1-(4-hydroxyphenyl)-2-propen-1-oneC₁₅H₁₁FO₂242.25
204974-35-6(E)-1-(4-Hydroxyphenyl)-3-[4-(trifluoromethyl)phenyl]prop-2-en-1-oneC₁₆H₁₁F₃O₂292.26
204974-93-6Biil 260C₃₀H₃₀N₂O₃466.58
204975-45-1Methyl 3-[(2S,3S,4S,5R)-3,4-dihydroxy-5-phenyloxolan-2-yl]propanoateC₁₄H₁₈O₅266.29
20498-55-93-Nitroso-1-oxa-3-azaspiro[4.5]decan-2-oneC₈H₁₂N₂O₃184.19
20498-64-01-(4-Bromophenyl)-2-phenylethan-1-olC₁₄H₁₃BrO277.16
204980-81-4CX-659SC₂₅H₂₈N₄O₅464.52
204981-48-6Cp-195543C₂₄H₁₉F₃O₄428.41
204982-64-9N-(2-Hydroxy-1-(hydroxymethyl)-1-methylethyl)benzenesulfonamideC₁₀H₁₅NO₄S245.30
2049868-46-2(S)-2,2-Dimethyl-1-(5-phenyl-4,5-dihydro-1H-pyrazol-1-yl)propan-1-oneC₁₄H₁₈N₂O230.31
2049872-86-62,2-Dimethyl-1-[(3R)-3-phenyl-3,4-dihydropyrazol-2-yl]propan-1-oneC₁₄H₁₈N₂O230.31
204990-62-5(R)-CyclopentolateC₁₇H₂₅NO₃291.39
204990-63-6(S)-CyclopentolateC₁₇H₂₅NO₃291.39
205-12-97H-Benzo(c)fluoreneC₁₇H₁₂216.28
205-25-47H-Benzo[c]carbazoleC₁₆H₁₁N217.27
205-29-87H-Pyrido(4,3-c)carbazoleC₁₅H₁₀N₂218.26
205-39-0Benzo(b)naphtho(1,2-d)furanC₁₆H₁₀O218.25
205-43-6Benzo(b)naphtho(1,2-d)thiopheneC₁₆H₁₀S234.32
205-54-9Benzimidazo[1,2-a]quinolineC₁₅H₁₀N₂218.26
205-82-3Benzo(J)fluorantheneC₂₀H₁₂252.32
205-99-2Benzo(B)fluorantheneC₂₀H₁₂252.32
2050-01-3Isoamyl isobutyrateC₉H₁₈O₂158.24
2050-04-6Pentyl phenyl etherC₁₁H₁₆O164.25
2050-07-94-Methyl-1-phenylpentan-1-oneC₁₂H₁₆O176.26
2050-08-0Amyl salicylateC₁₂H₁₆O₃208.26
2050-09-1Isoamyl valerateC₁₀H₂₀O₂172.27
2050-14-82,2'-AzobisphenolC₁₂H₁₀N₂O₂214.22
2050-20-6Diethyl pimelateC₁₁H₂₀O₄216.28
2050-23-9Diethyl suberateC₁₂H₂₂O₄230.30
2050-25-12-[2-(Benzyloxy)ethoxy]ethan-1-olC₁₁H₁₆O₃196.25
2050-34-24-[2-(2,4-Dihydroxyphenyl)diazenyl]benzenesulfonic acidC₁₂H₁₀N₂O₅S294.29
2050-43-3N-(2,4-Dimethylphenyl)acetamideC₁₀H₁₃NO163.22
2050-44-4N-(2,5-Dimethylphenyl)acetamideC₁₀H₁₃NO163.22
2050-45-5N-(3,5-Dimethylphenyl)acetamideC₁₀H₁₃NO163.22
2050-46-6o-DiethoxybenzeneC₁₀H₁₄O₂166.22
2050-47-74,4'-Dibromodiphenyl etherC₁₂H₈Br₂O328.00
2050-48-81,1'-Sulfonylbis[4-bromobenzene]C₁₂H₈Br₂O₂S376.07
2050-49-92,4-Dibromo-1-naphtholC₁₀H₆Br₂O301.96
2050-51-31-Propanol, 3-(dibutylamino)-C₁₁H₂₅NO187.33
2050-60-4Dibutyl oxalateC₁₀H₁₈O₄202.25
2050-66-0Bis(4-chloro-2-nitrophenyl) disulfideC₁₂H₆Cl₂N₂O₄S₂377.23
2050-67-13,3'-DichlorobiphenylC₁₂H₈Cl₂223.10
2050-68-24,4'-DichlorobiphenylC₁₂H₈Cl₂223.10
2050-69-31,2-DichloronaphthaleneC₁₀H₆Cl₂197.06
2050-74-01,8-DichloronaphthaleneC₁₀H₆Cl₂197.06
2050-75-12,3-DichloronaphthaleneC₁₀H₆Cl₂197.06
2050-76-22,4-Dichloro-1-naphtholC₁₀H₆Cl₂O213.06
2050-77-31-IododecaneC₁₀H₂₁I268.18
2050-85-3N,N'-(o-Phenylene)di(acetamide)C₁₀H₁₂N₂O₂192.22
2050-87-5Diallyl trisulfideC₆H₁₀S₃178.35
2050-92-2DipentylamineC₁₀H₂₃N157.30
2050-99-9Diisoamyl ketoneC₁₁H₂₂O170.30
20500-49-63,3-Dimethylcyclopentan-1-oneC₇H₁₂O112.17
2050038-81-6RefChem:235234C₃₂H₃₅N₅O₇S633.73
2050038-84-98-((3R,4S)-4-Ethylpyrrolidin-3-yl)-3H-imidazo[1,2-a]pyrrolo[2,3-e]pyrazine dihydroclorideC₁₄H₁₉Cl₂N₅328.25
2050057-56-0Upadacitinib hemihydrateC₃₄H₄₀F₆N₁₂O₃778.76
2050078-95-8N-[3-(4-Fluorophenyl)prop-2-en-1-yl]-N-[(1-methyl-1H-imidazol-2-yl)methyl]-6-azaspiro[2.5]octan-1-amineC₂₁H₂₇FN₄354.47
20501-52-4Eupachlorin acetateC₂₂H₂₇ClO₈454.90
20501-56-8TalatisamineC₂₄H₃₉NO₅421.58
20503-09-72-(2-Hydroxy-4-methoxyphenyl)acetic acidC₉H₁₀O₄182.18
20503-39-36-Amino-2,3-dihydro-1lambda6-benzothiophene-1,1-dioneC₈H₉NO₂S183.23
205035-07-05-Bromo-2-(chloromethyl)-1,3-dimethylbenzeneC₉H₁₀BrCl233.54
205035-09-22-(4-Bromo-2,6-dimethylphenyl)acetonitrileC₁₀H₁₀BrN224.10
205043-09-02-(Difluoromethoxy)pyridin-4-olC₆H₅F₂NO₂161.11
2050524-24-6N-(2-Chloro-5-(1H-pyrazolo[3,4-b]pyridin-5-yl)pyridin-3-yl)benzenesulfonamideC₁₇H₁₂ClN₅O₂S385.84
205055-20-55-Chlorothieno[3,2-b]pyridine-2-sulfonyl chlorideC₇H₃Cl₂NO₂S₂268.15
205055-63-66-Bromo-1-chloro-isoquinolineC₉H₅BrClN242.50
205055-71-62-Chloroquinoline-6-sulfonyl chlorideC₉H₅Cl₂NO₂S262.12
205058-28-24-Phenyl-1-(piperidin-4-yl)-1,3-dihydro-2H-imidazol-2-oneC₁₄H₁₇N₃O243.31
205059-24-1tert-Butyl 4-(piperidin-4-yl)piperazine-1-carboxylateC₁₄H₂₇N₃O₂269.39
205059-38-7N,N-Dimethyl-1-(piperidin-4-yl)piperidin-4-amineC₁₂H₂₅N₃211.35
205059-39-8tert-Butyl 4-(piperazin-1-yl)piperidine-1-carboxylate--hydrogen chloride (1/1)C₁₄H₂₈ClN₃O₂305.85
205059-41-2tert-Butyl 4-[(4-methylpiperazin-1-yl)carbonyl]piperidine-1-carboxylateC₁₆H₂₉N₃O₃311.43
20506-24-5[(1R,4aS,10aR)-1,4a-Dimethyl-7-propan-2-yl-2,3,4,9,10,10a-hexahydrophenanthren-1-yl]methanamine, bis(1-(3-chlorophenyl)-3-methyl-4-[(5-methylsulfonyl-2-oxidophenyl)diazenyl]pyrazol-5-olate), cobalt(3+), hydronC₅₄H₅₈Cl₂CoN₉O₈S₂1155.09
20507-56-6rac-(1R,2R,4R)-Bicyclo(2.2.2)oct-5-ene-2-carboxylic acidC₉H₁₂O₂152.19
2050910-08-02-(((tert-Butoxy)carbonyl)(methyl)amino)-4,4,4-trifluorobutanoic acidC₁₀H₁₆F₃NO₄271.24
2051-04-9Diisoamyl disulfideC₁₀H₂₂S₂206.42
2051-05-0Diamyl sulfiteC₁₀H₂₂O₃S222.35

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