Home/Compounds/Pharmaceutical Intermediate/5-methyl-2-((2-nitrophenyl)amino)-3-thiophenecarbonitrile
C12H9N3O2S
259.29 g/mol
Pharmaceutical IntermediateWarning
5-Methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile
CAS138564-59-7EC421-300-1
Category
Pharmaceutical Intermediate
Compound Class
Heterocycle
Primary Use
Pharmaceutical Intermediate
This compound is a thiophene-based aromatic amine featuring a nitrile group and a nitro-substituted phenylamino moiety. It is primarily recognized as a pharmaceutical intermediate used in the manufacturing of olanzapine.
pharmaceutical intermediate for olanzapine synthesisresearch compound for polymorphic studies
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
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Referencesame scaffold
2-(2-Aminoanilino)-5-methylthiophene-3-carbonitrile
CAS873895-41-1
pharmaceutical intermediate
Safety Reference
Warning
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 5-Methyl-2-[(2-nitrophenyl)amino]-3-thiophenecarbonitrile (CAS 138564-59-7) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 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
5-methyl-2-(2-nitroanilino)thiophene-3-carbonitrile
InChIKey
NPXUFPFFHANGDL-UHFFFAOYSA-N
SMILES
CC1=CC(=C(S1)NC2=CC=CC=C2[N+](=O)[O-])C#N
Synonyms (18)
- MNPATCN
- ROY-OP
- Olanzapine EP Impurity A
- Olanzapine EP Impurity A; Olanzapine USP Rc A
- Olanzapine Imp. A (EP); Olanzapine USP Related Compound A; Olanzapine USP RC A; 5-Methyl-2-[(2-nitrophenyl)amino]thiophene-3-carbonitrile; Olanzapine Related Compound A; Olanzapine Impurity A
- OLANZAPINE IMPURITY A
- Olanzapine impurity A CRS
- ROY thiophenecarbonitrile
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