4-((3-Nitropyridin-2-yl)thio)aniline CAS 353281-02-4
| CAS No. | 353281-02-4 |
| Molecular Formula | C11H9N3O2S |
| Molecular Weight | 247.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-((3-Nitropyridin-2-yl)thio)aniline (CAS 353281-02-4), molecular formula C11H9N3O2S and molecular weight 247.27 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-((3-Nitropyridin-2-yl)thio)aniline (C11H9N3O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 247.27 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4-((3-Nitropyridin-2-yl)thio)aniline meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C11H9N3O2S |
| Molecular Weight | 247.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitropyridin Standards
- 3-((3-Nitropyridin-2-yl)thio)aniline (CAS 1415719-68-4)
- Methyl 1-(3-nitropyridin-2-yl)-1H-pyrazole-3-carboxylate (CAS 1170495-89-2)
- Methyl 1-(5-nitropyridin-2-yl)-1H-pyrazole-4-carboxylate (CAS 1171459-53-2)
- Methyl 1-(5-nitropyridin-2-yl)-1H-pyrazole-3-carboxylate (CAS 1172021-95-2)
- 4-Methyl-2-((3-nitropyridin-2-yl)thio)pyrimidine (CAS 73768-44-2)
- N-(5-nitropyridin-2-yl)thiophene-2-carboxamide (CAS 90765-66-5)
- N-(5-nitropyridin-2-yl)cyclohexanecarboxamide (CAS 543686-13-1)
- 5-(5-Nitropyridin-2-yl)thiophene-2-carboxylic acid 656227-40-6 (CAS 656227-40-6)
Recommended Standards
- 3-Nitro-5-(pyridin-2-ylthio)aniline (CAS 208038-99-7)
- 4-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)thiazole-2-carbaldehyde (CAS 383144-16-9)
- 3-Amino-5-(furan-2-yl)-2-methylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 301688-22-2)
- 4-(N,N-dimethylsulfamoyl)-2,5-dimethylfuran-3-carboxylic acid (CAS 716361-62-5)
- tert-Butyl 4-(7-benzyl-2-chloro-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl)piperazine-1-carboxylate (CAS 2158298-66-7)
- 1-(4-(Chloromethyl)phenyl)-1H-1,2,4-triazole hydrochloride (CAS 1956355-66-0)
- 6-Amino-4-bromonicotinaldehyde (CAS 1289037-47-3)
- 2-Chloro-4-iodopyridin-3-amine (CAS 153034-93-6)
- (S)-2-(Boc-amino)-N-[(S)-1-[[4-(hydroxymethyl)phenyl]amino]-1-oxo-2-propyl]-3-methylbutanamide (CAS 1884577-99-4)
- 9-(tert-Butyl) 3-methyl 7-oxo-9-azabicyclo[3.3.1]nonane-3,9-dicarboxylate (CAS 1523571-20-1)
- tert-Butyl (tert-butoxycarbonyl)-L-threoninate (CAS 30588-71-7)
- (S)-2-Chloro-4-methylvaleric Acid (CAS 28659-81-6)
- 2-(4-Hydroxy-3,5-dimethoxyphenyl)acetic acid 3,5-Dimethoxy-4-hydroxyphenylacetic acid 4385-56-2 AS02665 (CAS 4385-56-2)
- Semaglutide impurity 331 (CAS CATO-C4X-2226231)
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