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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Diss Factsheets

Reference substances

Reference substances

IUPAC name:
4,4'-methylylidenebis(5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one)

Inventory

EC number:
225-184-1
EC name:
4-[(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)methyl]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
CAS number:
4702-90-3
CAS number:
4702-90-3
Synonyms
Names:
2-Pyrazolin-5-one, 4,4'-methylidynebis?3-methyl-1-phenyl-
3H-Pyrazol-3-one, 4-[(1,5-dihydro-3-methyl- 5-oxo-1-phenyl-4H-pyrazol-4-ylidene)methyl]-2,4-dihydro -5-methyl-2-phenyl-
3H-Pyrazol-3-one, 4-[(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)methyl]-2,4-dihydro-5-methyl-2-phenyl-
Identifier:
CAS number
4702-90-3
Identifier:
EC name
225-184-1
Identifier:
EC name
4-[(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene) methyl]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
Identifier:
IUPAC name
(4E)-5-methyl-4-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)methylidene]-2-phenylpyrazol-3-one
Identifier:
IUPAC name
4-[(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene) methyl]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
Identifier:
IUPAC name
4-[(1,5-dihydro-3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-ylidene)methyl]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
Identifier:
common name
2-Pyrazolin-5-one, 4,4'-methylidynebis?3-methyl-1-phenyl-
Identifier:
other: SMILES notation
O=C1N(N=C(C)/C1=C\C1C(=O)N(N=C1C)c1ccccc1)c1ccccc1
Identifier:
other: InChl
QPAPQRFSPBUJAU-CPNJWEJPSA-N

Molecular and structural information

Molecular formula:
C21H18N4O2
Molecular weight:
358.393
SMILES notation:
C/C4=N/N(c1ccccc1)C(=O)C4=CC3C(\C)=N/N(c2ccccc2)C3=O
InChl:
InChI=1/C21H18N4O2/c1-14-18(20(26)24(22-14)16-9-5-3-6-10-16)13-19-15(2)23-25(21(19)27)17-11-7-4-8-12-17/h3-13,18H,1-2H3
Structural formula:
Chemical structure

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