C8H3BrO3
227.01 g/mol
Pharmaceutical IntermediateDanger
4-Bromophthalic anhydride
CAS86-90-8EC201-707-9
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
4-Bromophthalic anhydride is a brominated aromatic compound primarily used as a pharmaceutical intermediate. It features a fused ring system with anhydride functionality, contributing to its utility in organic synthesis and drug manufacturing.
Pharmaceutical intermediate for drug synthesisBuilding block in organic chemistry research
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
4,7-dichloroquinoline
CAS86-98-6
pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
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pharmaceutical intermediate
ReferenceSame Category
Fmoc-S-acetamidomethyl-L-cysteine
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pharmaceutical intermediate
Referencesame scaffold
4-chlorophthalic anhydride
CAS118-45-6
Chemical intermediate for dyes and pigments
Referencesame scaffold
Phthalic anhydride
CAS85-44-9
Manufacture of artificial resins
Referencesame scaffold
Tetrabromophthalic anhydride
CAS632-79-1
reactive flame retardant
Referencesame scaffold
(²H₄)-2-Benzofuran-1,3-dione
CAS75935-32-9
research compound
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 4-Bromophthalic anhydride (CAS 86-90-8) 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-bromo-2-benzofuran-1,3-dione
InChIKey
BCKVHOUUJMYIAN-UHFFFAOYSA-N
SMILES
C1=CC2=C(C=C1Br)C(=O)OC2=O
Synonyms (9)
- 4-Bromophthalic anhydride
- 5-bromophthalic anhydride
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