C8H3NO5
193.11 g/mol
Pharmaceutical IntermediateWarning
4-NITROPHTHALIC ANHYDRIDE
CAS5466-84-2EC226-776-2
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
4-Nitrophthalic anhydride is a chemical compound used as a pharmaceutical intermediate. It is a nitro-substituted derivative of phthalic anhydride, featuring an aromatic ring and ester functional groups, and is commonly employed in organic synthesis and manufacturing processes.
pharmaceutical intermediatereagent in organic synthesisbuilding block for chemical manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
5-Amino-4-chloropyrimidine
CAS54660-78-5
pharmaceutical intermediate
ReferenceSame Category
2-Methoxy-5-nitropyridine
CAS5467-69-6
pharmaceutical intermediate
ReferenceSame Category
2-bromo-n,n-dimethylacetamide
CAS5468-77-9
pharmaceutical intermediate
ReferenceSame Category
(2,4-dichlorophenyl)methyl acetate
CAS5468-96-2
pharmaceutical intermediate
Referencesame scaffold
Tetrachlorophthalic anhydride
CAS117-08-8
Flame retardant and chemical intermediate
Referencesame scaffold
3-chlorophthalic anhydride
CAS117-21-5
pharmaceutical intermediate
Referencesame scaffold
4-chlorophthalic anhydride
CAS118-45-6
Chemical intermediate for dyes and pigments
Referencesame scaffold
Trimellitic anhydride chloride
CAS1204-28-0
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-NITROPHTHALIC ANHYDRIDE (CAS 5466-84-2) is 2917.39.
HS code (international, 6-digit)
2917.39
EU CN code (8-digit)
2917 39 85
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-nitro-2-benzofuran-1,3-dione
InChIKey
MMVIDXVHQANYAE-UHFFFAOYSA-N
SMILES
C1=CC2=C(C=C1[N+](=O)[O-])C(=O)OC2=O
Synonyms (13)
- 4-NITROPHTHALIC ANHYDRIDE
- 5-Nitrophthalic anhydride
- NITROPHTHALIC ANHYDRIDE, 4-
- Phthalic anhydride, 4-nitro-
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