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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
6

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

Disperse Yellow 23 (Technical Grade), TRC

CAS: 6250-23-3 Molecular Formula: C18 H14 N4 O Molecular Weight (g/mol): 302.33 Synonym: 4-[2-[4-(2-Phenyldiazenyl)phenyl]diazenyl]phenol,C.I. Disperse Yellow 23,4-[[4-(Phenylazo)phenyl]azo]phenol,p-[[p-(Phenylazo)phenyl]azo]phenol,Acetoquinone Light Yellow 3RLLZ,Artisil Yellow RGFL,C.I. 26070,Calcophen Yellow 4RL,Celliton Fast Yellow 4RL-CF,Cibacet Yellow 2RG,DTNW 20,Dianix Yellow 5R,Disperse Yellow 23,Disperse Yellow RGFL,Esteroquinone Light Yellow 3RLL,Fantagen Yellow 3RL,Fenacet Fast Yellow 4R,Foron G,Foron Yellow E-RGF 2,Foron Yellow E-RGFL,Foron Yellow RGFL,Foron Yellow RGFL ultra-dispersed,Intrasil Yellow 5R,Latyl Yellow 4RL,NSC 45565,Nyloquinone Yellow 3R,Ostacet Yellow E-L 5R,SRA Fast Golden Yellow XIII,Setacyl Yellow 3RN,Setacyl Yellow P 3RL,Terasil Golden Yellow R,Terasil Yellow 2RG,Yohao Disperse Yellow E-R,p-Hydroxy-p-bis(azobenzene) IUPAC Name: 4-[(E)-[4-[(E)-phenyldiazenyl]phenyl]diazenyl]phenol SMILES: Oc1ccc(cc1)N=Nc2ccc(cc2)N=Nc3ccccc3

CAS 6250-23-3
Molecular Weight (g/mol) 302.33
SMILES Oc1ccc(cc1)N=Nc2ccc(cc2)N=Nc3ccccc3
Synonym 4-[2-[4-(2-Phenyldiazenyl)phenyl]diazenyl]phenol,C.I. Disperse Yellow 23,4-[[4-(Phenylazo)phenyl]azo]phenol,p-[[p-(Phenylazo)phenyl]azo]phenol,Acetoquinone Light Yellow 3RLLZ,Artisil Yellow RGFL,C.I. 26070,Calcophen Yellow 4RL,Celliton Fast Yellow 4RL-CF,Cibacet Yellow 2RG,DTNW 20,Dianix Yellow 5R,Disperse Yellow 23,Disperse Yellow RGFL,Esteroquinone Light Yellow 3RLL,Fantagen Yellow 3RL,Fenacet Fast Yellow 4R,Foron G,Foron Yellow E-RGF 2,Foron Yellow E-RGFL,Foron Yellow RGFL,Foron Yellow RGFL ultra-dispersed,Intrasil Yellow 5R,Latyl Yellow 4RL,NSC 45565,Nyloquinone Yellow 3R,Ostacet Yellow E-L 5R,SRA Fast Golden Yellow XIII,Setacyl Yellow 3RN,Setacyl Yellow P 3RL,Terasil Golden Yellow R,Terasil Yellow 2RG,Yohao Disperse Yellow E-R,p-Hydroxy-p-bis(azobenzene)
IUPAC Name 4-[(E)-[4-[(E)-phenyldiazenyl]phenyl]diazenyl]phenol
Molecular Formula C18 H14 N4 O