2-Hydroxy-4-nitro benzoic acid impurity
Synonyms: 4-Nitrosalicylic acid · Benzoic acid, 2-hydroxy-4-nitro- · 4-Nitro-2-hydroxybenzoic acid · Salicylic acid, 4-nitro-
2-Hydroxy-4-nitro benzoic acid impurity (CAS 619-19-2) – Mesalazine impurity standard. C7H5NO5, MW 183.12. Vaqora Chemicals: COA, global shipping.
About 2-Hydroxy-4-nitro benzoic acid impurity
2-Hydroxy-4-nitro benzoic acid impurity is a metabolite or degradation product of Mesalazine carrying the CAS registry number 619-19-2. The compound has the formula C7H5NO5, corresponding to a molecular weight of 183.12 g/mol. Its systematic (IUPAC) name is 2-hydroxy-4-nitrobenzoic acid. Alternative names: 4-Nitrosalicylic acid and Benzoic acid, 2-hydroxy-4-nitro-.
The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.
It is used in metabolite identification, stability-indicating method development and impurity profiling of Mesalazine, as well as in QC testing and ANDA/DMF documentation. It is used across pharmaceutical manufacturing and academic and industrial research.
Vaqora Chemicals supplies 2-Hydroxy-4-nitro benzoic acid impurity in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Metabolite identification
- Stability-indicating methods
- Impurity profiling
Industries
View every impurity, metabolite and intermediate we list for Mesalazine.
Mesalazine impuritiesSpecifications & identifiers
| Product name | 2-Hydroxy-4-nitro benzoic acid impurity |
|---|---|
| Catalogue No. | VQ-039338 |
| CAS Number | 619-19-2 |
| IUPAC name | 2-hydroxy-4-nitrobenzoic acid |
| Molecular formula | C7H5NO5 |
| Molecular weight | 183.12 g/mol |
| Exact mass | 183.0168 |
| Grade | Reference Standard |
| HSN code | 38229090 |
| InChIKey | UKWUOTZGXIZAJC-UHFFFAOYSA-N |
| SMILES | C1=CC(=C(C=C1[N+](=O)[O-])O)C(=O)O |
| PubChem CID | 69266 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 2.3 |
| H-bond donors / acceptors | 2 / 5 |
| TPSA | 103 Ų |
| Synonyms | 4-Nitrosalicylic acid, Benzoic acid, 2-hydroxy-4-nitro-, 4-Nitro-2-hydroxybenzoic acid, Salicylic acid, 4-nitro-, 4-Nitro-salicylsaure, 2-hydroxy-4-nitro-benzoic acid, p-Nitrosalicylsaure, 4-Nitrosalicylicacid, Mesalazine Impurity 49, 2-Hydroxy4-nitrobenzoic acid |
Safety & hazard information (GHS)
Signal word: Warning
Hazard statements
H302Harmful if swallowedH315Causes skin irritationH319Causes serious eye irritationH335May cause respiratory irritation
Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of 2-Hydroxy-4-nitro benzoic acid impurity?
The CAS Registry Number of 2-Hydroxy-4-nitro benzoic acid impurity is 619-19-2. It is also known as 4-Nitrosalicylic acid, Benzoic acid, 2-hydroxy-4-nitro-, 4-Nitro-2-hydroxybenzoic acid.
What is the molecular formula and molecular weight of 2-Hydroxy-4-nitro benzoic acid impurity?
2-Hydroxy-4-nitro benzoic acid impurity has the molecular formula C7H5NO5 and a molecular weight of 183.12 g/mol. Its IUPAC name is 2-hydroxy-4-nitrobenzoic acid.
What is 2-Hydroxy-4-nitro benzoic acid impurity used for?
2-Hydroxy-4-nitro benzoic acid impurity is supplied as a characterised reference material related to Mesalazine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
Which grade and pack sizes of 2-Hydroxy-4-nitro benzoic acid impurity can I order?
We supply 2-Hydroxy-4-nitro benzoic acid impurity in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with 2-Hydroxy-4-nitro benzoic acid impurity?
Yes. Every lot of 2-Hydroxy-4-nitro benzoic acid impurity is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can 2-Hydroxy-4-nitro benzoic acid impurity be shipped internationally?
Yes. 2-Hydroxy-4-nitro benzoic acid impurity is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
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