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Reference substances

Reference substances

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General information

Inventory

EC number:
222-530-3
EC name:
4,4'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one]
CAS number:
3520-72-7

No inventory information available

Reference substance information

IUPAC name:
4,4'-(1E,1'E)-(3,3'-dichlorobiphenyl-4,4'-diyl)bis(diazene-2,1-diyl)bis(3-methyl-1-phenyl-1H-pyrazol-5(4H)-one)
Synonyms
Names:
Identifier:
IUPAC name
4,4'-(1E,1'E)-(3,3'-dichlorobiphenyl-4,4'-diyl)bis(diazene-2,1-diyl)bis(3-methyl-1-phenyl-1H-pyrazol-5(4H)-one)
Identifier:
IUPAC name
4,4'-[(3,3'-dichlorobiphenyl-4,4'-diyl)didiazene-2,1-diyl]bis(5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one)
Identifier:
Colour Index
C.I. 21110
Identifier:
common name
Pigment Orange 13

CAS information

CAS number:
3520-72-7

Molecular and structural information

Molecular formula:
C32H24Cl2N8O2
Molecular weight:
623.502
SMILES notation:
Cc1nn(c(O)c1N=Nc2ccc(cc2Cl)c3ccc(N=Nc4c(C)nn(c4O)c5ccccc5)c(Cl)c3)c6ccccc6
InChl:
1S/C32H24Cl2N8O2/c1-19-29(31(43)41(39-19)23-9-5-3-6-10-23)37-35-27-15-13-21(17-25(27)33)22-14-16-28(26(34)18-22)36-38-30-20(2)40-42(32(30)44)24-11-7-4-8-12-24/h3-18,43-44H,1-2H3/b37-35+,38-36+
Structural formula:
Chemical structure