ChemicalBook--->CAS DataBase List--->84211-30-3

84211-30-3

84211-30-3 Structure

84211-30-3 Structure
IdentificationBack Directory
[Name]

3,4-Dihydroxy-5-Nitrobenzoic Acid
[CAS]

84211-30-3
[Synonyms]

Entacapone Impurity 26
Entacapone Impurity 10
Entacapone Benzoic Acid Impurity
3,4-Dihydroxy-5-Nitrobenzoic Acid
Benzoic acid, 3,4-dihydroxy-5-nitro-
[Molecular Formula]

C7H5NO6
[MDL Number]

MFCD00872080
[MOL File]

84211-30-3.mol
[Molecular Weight]

199.12
Chemical PropertiesBack Directory
[Melting point ]

>222oC (dec.)
[Boiling point ]

411.1±45.0 °C(Predicted)
[density ]

1.799±0.06 g/cm3(Predicted)
[storage temp. ]

Hygroscopic, -20°C Freezer, Under inert atmosphere
[solubility ]

DMSO (Slightly), Methanol (Slightly)
[form ]

Solid
[pka]

3.82±0.10(Predicted)
[color ]

Yellow to Beige
[InChI]

InChI=1S/C7H5NO6/c9-5-2-3(7(11)12)1-4(6(5)10)8(13)14/h1-2,9-10H,(H,11,12)
[InChIKey]

HDPSONAKHMNQPA-UHFFFAOYSA-N
[SMILES]

C(O)(=O)C1=CC([N+]([O-])=O)=C(O)C(O)=C1
Questions And AnswerBack Directory
[Uses]

3,4-Dihydroxy-5-nitrobenzoic Acid is a useful synthetic intermediate in the synthesis of Entacapone; a peripherally selective inhibitor of catechol-O-methyltransferase (COMT). Also an antiparkinsonian.
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H335
[Precautionary statements ]

P261-P305+P351+P338
Spectrum DetailBack Directory
[Spectrum Detail]

3,4-Dihydroxy-5-Nitrobenzoic Acid(84211-30-3)1HNMR
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