C9H5NO2
159.14 g/mol
Pharmaceutical IntermediateWarning
5-Cyanophthalide
CAS82104-74-3EC279-900-2
Category
Pharmaceutical Intermediate
Compound Class
Ester
Primary Use
Pharmaceutical Intermediate
5-Cyanophthalide is an organic compound featuring a fused benzofuran ring system with a nitrile group. It is primarily used as a chemical intermediate in pharmaceutical manufacturing.
pharmaceutical intermediate
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.
Sourcing 5-Cyanophthalide?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Related Compounds
ReferenceSame Category
Bis(trifluoromethanesulfonyl)imide
CAS82113-65-3
pharmaceutical intermediate
ReferenceSame Category
4-methylimidazole
CAS822-36-6
Pharmaceutical intermediate
ReferenceSame Category
2-chlorocyclohexanone
CAS822-87-7
pharmaceutical intermediate
ReferenceSame Category
4-Amino-2-chloro-5-(2H-tetrazol-5-yl)benzene-1-sulfonamide
CAS82212-14-4
pharmaceutical intermediate
Referencesame scaffold
5-Bromophthalide
CAS64169-34-2
pharmaceutical intermediate
Referencesame scaffold
5-Aminophthalide
CAS65399-05-5
pharmaceutical intermediate
Referencesame scaffold
Butylphthalide
CAS6066-49-5
pharmaceutical raw material
Referencesame scaffold
Dimethyl (3-oxo-1,3-dihydroisobenzofuran-1-yl)phosphonate
CAS61260-15-9
pharmaceutical intermediate
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
Customs Tariff Classification
The international HS code for 5-Cyanophthalide (CAS 82104-74-3) is 2932.20.
HS code (international, 6-digit)
2932.20
EU CN code (8-digit)
2932 20 90
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
1-oxo-3H-2-benzofuran-5-carbonitrile
InChIKey
XEEGWTLAFIZLSF-UHFFFAOYSA-N
SMILES
C1C2=C(C=CC(=C2)C#N)C(=O)O1
Synonyms (12)
- 5-Cyanophthalid
- 5-Cyanophthalide
- Citalopram Impurity 29
Sourcing 5-Cyanophthalide?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.