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Azobenzenes

Organic compounds that consist of two phenyl rings linked by a nitrogen - nitrogen double bond (N=N); also known as aryl azo compounds.

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2

Thermo Scientific Chemicals 4-(4-Dimethylaminophenylazo)benzoic acid sodium salt, 97%

CAS: 845-46-5 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.27 MDL Number: MFCD00020350 InChI Key: OSCKRHPYZNTEIO-UHFFFAOYSA-M Synonym: p-p-dimethylaminophenylazo benzoic acid sodium salt,4-4-dimethylaminophenylazo benzoic acid sodium salt,benzoic acid, 4-4-dimethylamino phenyl azo-, sodium salt,benzoic acid, p-p-dimethylamino phenyl azo-, sodium salt,benzoic acid, 4-2-4-dimethylamino phenyl diazenyl-, sodium salt 1:1,sodium 4-4-dimethylaminophenylazo benzoate,4-e-4-dimethylaminophenyl azo benzoic acid PubChem CID: 23674498 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)C(=O)[O-].[Na+]

PubChem CID 23674498
CAS 845-46-5
Molecular Weight (g/mol) 291.27
MDL Number MFCD00020350
SMILES CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)C(=O)[O-].[Na+]
Synonym p-p-dimethylaminophenylazo benzoic acid sodium salt,4-4-dimethylaminophenylazo benzoic acid sodium salt,benzoic acid, 4-4-dimethylamino phenyl azo-, sodium salt,benzoic acid, p-p-dimethylamino phenyl azo-, sodium salt,benzoic acid, 4-2-4-dimethylamino phenyl diazenyl-, sodium salt 1:1,sodium 4-4-dimethylaminophenylazo benzoate,4-e-4-dimethylaminophenyl azo benzoic acid
IUPAC Name sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key OSCKRHPYZNTEIO-UHFFFAOYSA-M
Molecular Formula C15H14N3NaO2
3

4,4'-Azodianiline, 95%

CAS: 538-41-0 Molecular Formula: C12H12N4 Molecular Weight (g/mol): 212.26 MDL Number: MFCD00041892 InChI Key: KQIKKETXZQDHGE-UHFFFAOYSA-N Synonym: 4,4'-azodianiline,p-azoaniline,p-diaminoazobenzene,4,4'-diaminoazobenzene,azodianiline,p'-amino-p-aminoazobenzene,4,4'-azobisbenzenamine,benzenamine, 4,4'-azobis,4,4-azodianiline,4,4'-diazenediylbisaniline PubChem CID: 10855 IUPAC Name: 4-[(4-aminophenyl)diazenyl]aniline SMILES: NC1=CC=C(C=C1)N=NC1=CC=C(N)C=C1

PubChem CID 10855
CAS 538-41-0
Molecular Weight (g/mol) 212.26
MDL Number MFCD00041892
SMILES NC1=CC=C(C=C1)N=NC1=CC=C(N)C=C1
Synonym 4,4'-azodianiline,p-azoaniline,p-diaminoazobenzene,4,4'-diaminoazobenzene,azodianiline,p'-amino-p-aminoazobenzene,4,4'-azobisbenzenamine,benzenamine, 4,4'-azobis,4,4-azodianiline,4,4'-diazenediylbisaniline
IUPAC Name 4-[(4-aminophenyl)diazenyl]aniline
InChI Key KQIKKETXZQDHGE-UHFFFAOYSA-N
Molecular Formula C12H12N4
4

Thermo Scientific Chemicals 4-(4-Anilinophenylazo)benzenesulfonic acid sodium salt, indicator grade

CAS: 554-73-4 Molecular Formula: C18H14N3NaO3S Molecular Weight (g/mol): 375.38 MDL Number: MFCD00038130 InChI Key: MLVYOYVMOZFHIU-UHFFFAOYSA-M Synonym: orange iv,tropaeolin oo,orangeiv,acid orange 5,diphenylamine orange,tropaeolin,unii-vr8q3r288w,tropeolin oo,orange n,solar orange iv PubChem CID: 23668839 IUPAC Name: sodium;4-[(4-anilinophenyl)diazenyl]benzenesulfonate SMILES: [Na+].[O-]S(=O)(=O)C1=CC=C(C=C1)N=NC1=CC=C(NC2=CC=CC=C2)C=C1

PubChem CID 23668839
CAS 554-73-4
Molecular Weight (g/mol) 375.38
MDL Number MFCD00038130
SMILES [Na+].[O-]S(=O)(=O)C1=CC=C(C=C1)N=NC1=CC=C(NC2=CC=CC=C2)C=C1
Synonym orange iv,tropaeolin oo,orangeiv,acid orange 5,diphenylamine orange,tropaeolin,unii-vr8q3r288w,tropeolin oo,orange n,solar orange iv
IUPAC Name sodium;4-[(4-anilinophenyl)diazenyl]benzenesulfonate
InChI Key MLVYOYVMOZFHIU-UHFFFAOYSA-M
Molecular Formula C18H14N3NaO3S
5

4,4’-Bis(maleoylamino)azobenzene, TRC

CAS: 77280-58-1 Molecular Formula: C20H12N4O4 Molecular Weight (g/mol): 372.33 Synonym: 1,1'-(1,2-Diazenediyldi-4,1-phenylene)bis-1H-pyrrole-2,5-dione,N,N'-(azodi-p-phenylene)dimaleimide; IUPAC Name: (E)-1,1'-(diazene-1,2-diylbis(4,1-phenylene))bis(1H-pyrrole-2,5-dione) SMILES: O=C1C=CC(N1C(C=C2)=CC=C2/N=N/C3=CC=C(N4C(C=CC4=O)=O)C=C3)=O

CAS 77280-58-1
Molecular Weight (g/mol) 372.33
SMILES O=C1C=CC(N1C(C=C2)=CC=C2/N=N/C3=CC=C(N4C(C=CC4=O)=O)C=C3)=O
Synonym 1,1'-(1,2-Diazenediyldi-4,1-phenylene)bis-1H-pyrrole-2,5-dione,N,N'-(azodi-p-phenylene)dimaleimide;
IUPAC Name (E)-1,1'-(diazene-1,2-diylbis(4,1-phenylene))bis(1H-pyrrole-2,5-dione)
Molecular Formula C20H12N4O4
7

4-Dimethylamino-4'-methylazobenzene, TRC

CAS: 3010-57-9 Molecular Formula: C15H17N3 Molecular Weight (g/mol): 239.32 SMILES: CN(C)c1ccc(cc1)N=Nc2ccc(C)cc2

CAS 3010-57-9
Molecular Weight (g/mol) 239.32
SMILES CN(C)c1ccc(cc1)N=Nc2ccc(C)cc2
Molecular Formula C15H17N3
8

Azobenzene, 98%

CAS: 103-33-3 Molecular Formula: C12H10N2 Molecular Weight (g/mol): 182.23 MDL Number: MFCD00003022 InChI Key: DMLAVOWQYNRWNQ-UHFFFAOYSA-N Synonym: azobenzene,diazene, diphenyl,diazobenzene,e-diphenyldiazene,azobisbenzene,azofume,1,2-diphenyldiazene,azodibenzeneazofume,diphenyldiimide,azobenzide PubChem CID: 2272 ChEBI: CHEBI:190358 IUPAC Name: diphenyldiazene SMILES: C1=CC=C(C=C1)N=NC1=CC=CC=C1

PubChem CID 2272
CAS 103-33-3
Molecular Weight (g/mol) 182.23
ChEBI CHEBI:190358
MDL Number MFCD00003022
SMILES C1=CC=C(C=C1)N=NC1=CC=CC=C1
Synonym azobenzene,diazene, diphenyl,diazobenzene,e-diphenyldiazene,azobisbenzene,azofume,1,2-diphenyldiazene,azodibenzeneazofume,diphenyldiimide,azobenzide
IUPAC Name diphenyldiazene
InChI Key DMLAVOWQYNRWNQ-UHFFFAOYSA-N
Molecular Formula C12H10N2
9

Bis(3-morpholino-5,6-dihydropyridine)diazene Apixaban, TRC

CAS: 1998079-15-4 Molecular Formula: C30 H34 N6 O4 Molecular Weight (g/mol): 542.629 Synonym: Apixaban Impurity 16,5-Acetyl-1-(4-methoxyphenyl)-4-(2-((4-(2-oxopiperidin-1-yl)phenyl)amino)ethyl)-1H-pyrazole-3-carboxamide IUPAC Name: 5-morpholin-4-yl-1-[4-[(E)-[4-(5-morpholin-4-yl-6-oxo-2,3-dihydropyridin-1-yl)phenyl]diazenyl]phenyl]-2,3-dihydropyridin-6-one SMILES: O=C1N(CCC=C1N2CCOCC2)c3ccc(cc3)\N=N\c4ccc(cc4)N5CCC=C(N6CCOCC6)C5=O

CAS 1998079-15-4
Molecular Weight (g/mol) 542.629
SMILES O=C1N(CCC=C1N2CCOCC2)c3ccc(cc3)\N=N\c4ccc(cc4)N5CCC=C(N6CCOCC6)C5=O
Synonym Apixaban Impurity 16,5-Acetyl-1-(4-methoxyphenyl)-4-(2-((4-(2-oxopiperidin-1-yl)phenyl)amino)ethyl)-1H-pyrazole-3-carboxamide
IUPAC Name 5-morpholin-4-yl-1-[4-[(E)-[4-(5-morpholin-4-yl-6-oxo-2,3-dihydropyridin-1-yl)phenyl]diazenyl]phenyl]-2,3-dihydropyridin-6-one
Molecular Formula C30 H34 N6 O4
10

Alizarin Yellow R, Sodium Salt, TRC

CAS: 1718-34-9 Molecular Formula: C13H8N3O5Na Molecular Weight (g/mol): 309.21 IUPAC Name: sodium;2-hydroxy-5-[(E)-(4-nitrophenyl)diazenyl]benzoate SMILES: [Na+].Oc1ccc(cc1C(=O)[O-])N=Nc2ccc(cc2)[N+](=O)[O-]

CAS 1718-34-9
Molecular Weight (g/mol) 309.21
SMILES [Na+].Oc1ccc(cc1C(=O)[O-])N=Nc2ccc(cc2)[N+](=O)[O-]
IUPAC Name sodium;2-hydroxy-5-[(E)-(4-nitrophenyl)diazenyl]benzoate
Molecular Formula C13H8N3O5Na
11

Phenylazosalicylic Acid, TRC

CAS: 3147-53-3 Molecular Formula: C13 H10 N2 O3 Molecular Weight (g/mol): 242.23 Synonym: 2-Hydroxy-5-(phenyldiazenyl)benzoic Acid,Mesalazine Imp. I (EP),Phenylazosalicylic Acid IUPAC Name: 2-hydroxy-5-[(E)-phenyldiazenyl]benzoic acid SMILES: OC(=O)c1cc(ccc1O)N=Nc2ccccc2

CAS 3147-53-3
Molecular Weight (g/mol) 242.23
SMILES OC(=O)c1cc(ccc1O)N=Nc2ccccc2
Synonym 2-Hydroxy-5-(phenyldiazenyl)benzoic Acid,Mesalazine Imp. I (EP),Phenylazosalicylic Acid
IUPAC Name 2-hydroxy-5-[(E)-phenyldiazenyl]benzoic acid
Molecular Formula C13 H10 N2 O3
12

Sulfasalazine 3-Isomer, TRC

CAS: 66364-71-4 Molecular Formula: C18H14N4O5S Molecular Weight (g/mol): 398.39 Synonym: 2-Hydroxy-3-[2-[4-[(2-pyridinylamino)sulfonyl]phenyl]diazenyl]benzoic Acid,2-Hydroxy-3-[[4-[(2-pyridinylamino)sulfonyl]phenyl]azo]benzoic Acid,3-[[p-(2-Pyridylsulfamoyl)phenyl]azo]salicylic Acid,Sulfasalazine Impurity F SMILES: C1=CC=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N/N=C/3\C=CC=C(C3=O)C(=O)O

CAS 66364-71-4
Molecular Weight (g/mol) 398.39
SMILES C1=CC=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N/N=C/3\C=CC=C(C3=O)C(=O)O
Synonym 2-Hydroxy-3-[2-[4-[(2-pyridinylamino)sulfonyl]phenyl]diazenyl]benzoic Acid,2-Hydroxy-3-[[4-[(2-pyridinylamino)sulfonyl]phenyl]azo]benzoic Acid,3-[[p-(2-Pyridylsulfamoyl)phenyl]azo]salicylic Acid,Sulfasalazine Impurity F
Molecular Formula C18H14N4O5S
13

N-[2-[2-(2-Chloro-4,6-dinitrophenyl)diazenyl]-5-(diethylamino)phenyl]acetamide (>90%), TRC

CAS: 66557-45-7 Molecular Formula: C18H19ClN6O5 Molecular Weight (g/mol): 434.83 Synonym: Acetamide, N-[2-[2-(2-chloro-4,6-dinitrophenyl)diazenyl]-5-(diethylamino)phenyl]-,Acetamide, N-[2-[(2-chloro-4,6-dinitrophenyl)azo]-5-(diethylamino)phenyl]- (9CI),Disperse Violet 93 (Cl derivative) IUPAC Name: N-[2-[(E)-(2-chloro-4,6-dinitrophenyl)diazenyl]-5-(diethylamino)phenyl]acetamide SMILES: CCN(CC)c1ccc(N=Nc2c(Cl)cc(cc2[N+](=O)[O-])[N+](=O)[O-])c(NC(=O)C)c1

CAS 66557-45-7
Molecular Weight (g/mol) 434.83
SMILES CCN(CC)c1ccc(N=Nc2c(Cl)cc(cc2[N+](=O)[O-])[N+](=O)[O-])c(NC(=O)C)c1
Synonym Acetamide, N-[2-[2-(2-chloro-4,6-dinitrophenyl)diazenyl]-5-(diethylamino)phenyl]-,Acetamide, N-[2-[(2-chloro-4,6-dinitrophenyl)azo]-5-(diethylamino)phenyl]- (9CI),Disperse Violet 93 (Cl derivative)
IUPAC Name N-[2-[(E)-(2-chloro-4,6-dinitrophenyl)diazenyl]-5-(diethylamino)phenyl]acetamide
Molecular Formula C18H19ClN6O5
14

Fast Corinth V Salt, TRC

CAS: 61966-14-1 Molecular Formula: 2(C15H14N5O3 ) . Cl4Zn Molecular Weight (g/mol): 831.8 Synonym: Diazol Dark Violet K,Fast Corinth V Zinc Chloride Double Salt,Bis{2-methoxy-5-methyl-4-[(4-methyl-2-nitrophenyl)diazenyl]benzenediazonium}tetrachlorozincate,Mono((E)-2-methoxy-5-methyl-4-((4-methyl-2-nitrophenyl)diazenyl)benzenediazonium) Monozinc(IV) Tetrachloride SMILES: [Cl-][Zn+2]([Cl-])([Cl-])[Cl-].COc1cc(N=Nc2ccc(C)cc2[N+](=O)[O-])c(C)cc1[N+]#N.COc3cc(N=Nc4ccc(C)cc4[N+](=O)[O-])c(C)cc3[N+]#N

CAS 61966-14-1
Molecular Weight (g/mol) 831.8
SMILES [Cl-][Zn+2]([Cl-])([Cl-])[Cl-].COc1cc(N=Nc2ccc(C)cc2[N+](=O)[O-])c(C)cc1[N+]#N.COc3cc(N=Nc4ccc(C)cc4[N+](=O)[O-])c(C)cc3[N+]#N
Synonym Diazol Dark Violet K,Fast Corinth V Zinc Chloride Double Salt,Bis{2-methoxy-5-methyl-4-[(4-methyl-2-nitrophenyl)diazenyl]benzenediazonium}tetrachlorozincate,Mono((E)-2-methoxy-5-methyl-4-((4-methyl-2-nitrophenyl)diazenyl)benzenediazonium) Monozinc(IV) Tetrachloride
Molecular Formula 2(C15H14N5O3 ) . Cl4Zn
15

4-(Diethylamino)azobenzene, TRC

CAS: 2481-94-9 Molecular Formula: C16 H19 N3 Molecular Weight (g/mol): 253.34 Synonym: Aniline, N,N-diethyl-p-(phenylazo)- (6CI,7CI),Benzenamine, N,N-diethyl-4-(phenylazo)- (9CI),C.I. Solvent Yellow 56 (8CI),N,N-Diethyl-4-(2-phenyldiazenyl)benzenamine,4-(Diethylamino)azobenzene,4-(N,N-Diethylamino)azobenzene,4-(Phenylazo)-N,N-diethylaniline,Aizen SOT Yellow 1,Akrodye Oil Yellow 6,C.I. 11021,Ceres Yellow GGN,Diethyl yellow,Fast Oil Yellow 64403,Fat Yellow GGN,N,N-Diethyl-4-(phenylazo)aniline,N,N-Diethyl-4-aminoazobenzene,NSC 102374,Oil Yellow 2635,Oil Yellow DE,Oil Yellow DEA,Oil Yellow ENC,Oil Yellow GA,Oil Yellow GE,Oil Yellow NB,Oil Yellow SS Special,Oilsol Yellow DEA,Orient Oil Yellow 56,Orient Oil Yellow GGS,SOT Yellow 1,Sico Fat Yellow P,Solvent Yellow 56,Sudan Yellow 150,Sudan Yellow GGN,Waxoline Yellow ED,p-(Diethylamino)azobenzene IUPAC Name: N,N-diethyl-4-[(E)-phenyldiazenyl]aniline SMILES: CCN(CC)c1ccc(cc1)N=Nc2ccccc2

CAS 2481-94-9
Molecular Weight (g/mol) 253.34
SMILES CCN(CC)c1ccc(cc1)N=Nc2ccccc2
Synonym Aniline, N,N-diethyl-p-(phenylazo)- (6CI,7CI),Benzenamine, N,N-diethyl-4-(phenylazo)- (9CI),C.I. Solvent Yellow 56 (8CI),N,N-Diethyl-4-(2-phenyldiazenyl)benzenamine,4-(Diethylamino)azobenzene,4-(N,N-Diethylamino)azobenzene,4-(Phenylazo)-N,N-diethylaniline,Aizen SOT Yellow 1,Akrodye Oil Yellow 6,C.I. 11021,Ceres Yellow GGN,Diethyl yellow,Fast Oil Yellow 64403,Fat Yellow GGN,N,N-Diethyl-4-(phenylazo)aniline,N,N-Diethyl-4-aminoazobenzene,NSC 102374,Oil Yellow 2635,Oil Yellow DE,Oil Yellow DEA,Oil Yellow ENC,Oil Yellow GA,Oil Yellow GE,Oil Yellow NB,Oil Yellow SS Special,Oilsol Yellow DEA,Orient Oil Yellow 56,Orient Oil Yellow GGS,SOT Yellow 1,Sico Fat Yellow P,Solvent Yellow 56,Sudan Yellow 150,Sudan Yellow GGN,Waxoline Yellow ED,p-(Diethylamino)azobenzene
IUPAC Name N,N-diethyl-4-[(E)-phenyldiazenyl]aniline
Molecular Formula C16 H19 N3