C7H5NO5
183.12 g/mol
Research ReagentWarning
5-Nitrosalicylic acid
CAS96-97-9EC202-548-8
Category
Research Reagent
Compound Class
Organic Acid
Primary Use
Research Compound
5-Nitrosalicylic acid is a chemical compound used as a matrix for synthetic polymer analysis by MALDI mass spectrometry. It features both carboxylic acid and nitro functional groups on an aromatic ring.
Matrix compound for synthetic polymer MALDI mass spectrometry
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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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 5-Nitrosalicylic acid (CAS 96-97-9) is 2918.29.
HS code (international, 6-digit)
2918.29
EU CN code (8-digit)
2918 29 00
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
2-hydroxy-5-nitrobenzoic acid
InChIKey
PPDRLQLKHRZIJC-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1[N+](=O)[O-])C(=O)O)O
Synonyms (20)
- 5NSA
- 6R7
- 2-Hydroxy-5-Nitrobenzoic Acid; Mesalazine EP Impurity N
- 2-Hydroxy-5-nitrobenzoic Acid; Mesalazine Imp. N (EP); 5-Nitrosalicylic Acid; Mesalazine Impurity N
- MESALAZINE IMPURITY N (EP IMPURITY)
- Mesalazine EP Impurity N
- 2-Hydroxy-5-nitrobenzoic acid
- 2-hydroxy-5-nitro-benzoicaci
- 5-Nitro-2-hydroxybenzoic acid
- 5-Nitrosalicylic acid
- 5-nitro salicyclic acid
- Anilotic acid
- MESALAZINE IMPURITY N
- Salicylic acid, 5-nitro-
- Salicylic acid, 5nitro (8CI)
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