2-((3-Nitrophenyl)amino)thiazole-4-carboxylic acid CAS 165682-86-0
| CAS No. | 165682-86-0 |
| Molecular Formula | C10H7N3O4S |
| Molecular Weight | 265.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
2-((3-Nitrophenyl)amino)thiazole-4-carboxylic acid (CAS 165682-86-0), molecular formula C10H7N3O4S and molecular weight 265.25 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-((3-Nitrophenyl)amino)thiazole-4-carboxylic acid (C10H7N3O4S) 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 265.25 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 2-((3-Nitrophenyl)amino)thiazole-4-carboxylic acid 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 | C10H7N3O4S |
| Molecular Weight | 265.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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.) | 2004 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitrophenyl Standards
- 2-((4-Nitrophenyl)amino)thiazole-4-carboxylic acid (CAS 886496-56-6)
- 7-(4-Nitrophenyl)-7-oxoheptanoic acid (CAS 125174-01-8)
- 4-Acetyl-2-nitrophenyl pivalate (CAS 87661-91-4)
- Ethyl 5-(4-nitrophenyl)-5-oxopentanoate (CAS 898777-59-8)
- 898777-51-0 Ethyl 5-(3-nitrophenyl)-5-oxopentanoate DTXSID30645721 (CAS 898777-51-0)
- 4-(4-Nitrophenyl)-1-phenyl-1H-pyrazole (CAS 114474-27-0)
- 1-(2-Nitrophenyl)-5-phenyl-1H-pyrazole (CAS 1269292-18-3)
- 1-(4-Nitrophenyl)-3-(oxolan-2-ylmethyl)urea (CAS 903708-97-4)
Recommended Standards
- cis-2-[[(1,1-Dimethylethoxy)carbonyl]amino]-4,4-difluoro-Cyclopentanecarboxylic acid (CAS 164916-35-2)
- 4-(1-(Trifluoromethyl)cyclopropyl)benzenesulfonamide (CAS 1674295-61-4)
- 1-(tert-Butoxycarbonyl)-4,4-difluoro-2-methylpyrrolidine-2-carboxylic acid (CAS 1447943-90-9)
- (2S)-1-(tert-butoxycarbonyl)-4-fluoro-4-(fluoromethyl)pyrrolidine-2-carboxylic acid (CAS 1701431-44-8)
- 1-Chloro-4-(thiophen-2-yl)phthalazine, 97% (CAS 124959-34-8)
- Methoxetamine HCl (CAS 1239908-48-5)
- 3-[(Pentyloxy)methyl]piperidine hydrochloride (CAS 1220036-94-1)
- 1-Methyl-N-(1-(3-methylthiophen-2-yl)ethyl)pyrrolidin-3-amine (CAS 1341683-26-8)
- N-(cyclopropylmethyl)-5-(thiophen-2-yl)-1,2-oxazole-3-carboxamide (CAS 1016373-61-7)
- 2-((6-Methyl-4-oxo-1,4-dihydropyrimidin-2-yl)thio)butanoic acid (CAS 433253-10-2)
- 5-(2-(Benzo[d]thiazol-2(3H)-ylidene)ethylidene)-2-thioxooxazolidin-4-one (CAS 89748-10-7)
- 3-(3-Azetidinyloxy)-N,N-diethylaniline (CAS 1219960-93-6)
- 5-Chloro-2-cyanobenzoic acid (CAS 628262-86-2)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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