2-((1-(4-Nitrophenyl)-2,5-dioxopyrrolidin-3-yl)thio)nicotinic acid CAS 308293-33-6
| CAS No. | 308293-33-6 |
| Molecular Formula | C16H11N3O6S |
| Molecular Weight | 373.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-((1-(4-Nitrophenyl)-2,5-dioxopyrrolidin-3-yl)thio)nicotinic acid (C16H11N3O6S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 373.34 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
2-((1-(4-Nitrophenyl)-2,5-dioxopyrrolidin-3-yl)thio)nicotinic acid (CAS 308293-33-6) is a high-purity analytical reference standard with the molecular formula C16H11N3O6S and a molecular weight of 373.34 g/mol.
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.
CATO manufactures 2-((1-(4-Nitrophenyl)-2,5-dioxopyrrolidin-3-yl)thio)nicotinic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C16H11N3O6S |
| Molecular Weight | 373.34 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitrophenyl Standards
- 2-(4-Nitrophenyl)-N-(2-phenylbenzo[d]oxazol-5-yl)acetamide (CAS 301647-03-0)
- 2-[4-(4-Nitrophenyl)piperazino]ethyl 4-fluorobenzenecarboxylate (CAS 338748-59-7)
- Bis-(4-nitrophenyl)glutarate (CAS 33109-59-0)
- 2-(2-Methyl-4-nitrophenyl)-3,4-diphenylisoxazol-5(2H)-one (CAS 90283-20-8)
- (5-(4-Nitrophenyl)-1,3,4-oxadiazol-2-yl)methyl 2-(methylthio)nicotinate (CAS 853583-49-0)
- (S)-4-Nitrophenyl 1-Phenyl-3,4-dihydroisoquinoline-2(1H)-carboxylate (CAS 1229227-22-8)
- 2-(4-(3-(3-Nitrophenyl)-1H-pyrazol-5-yl)piperidin-1-yl)nicotinonitrile (CAS 1030386-17-4)
- N-((4-Nitrophenyl)sulfonyl)-1-(tert-butyloxycarbonyl)piperazine (CAS 173951-83-2)
Recommended Standards
- (Z)-{[4-(morpholin-4-yl)-3-nitrophenyl]methylidene}amino 4-fluorobenzoate (CAS 339019-89-5)
- 2-(2,4-Dinitrophenyl)cyclohexanone N-(6-fluoro-2-pyridinyl)hydrazone (CAS 672949-55-2)
- 3-(5-((3,5-Dichlorophenyl)thio)-1-ethyl-4-isopropyl-1H-imidazol-2-yl)propan-1-ol (CAS 178980-59-1)
- 4-Fluoro-N-(9-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-9H-purin-6-yl)benzamide (CAS 90335-44-7)
- 6-Methoxy-4-methyl-1-benzofuran-2-carboxylic acid (CAS 1427427-80-2)
- (3-Methyl-[1,2,4]triazolo[4,3-a]pyridin-6-yl)methanamine hydrochloride (CAS 1439897-94-5)
- 2,6-Difluoro-N-(2-hydroxy-2-(naphthalen-2-yl)ethyl)benzamide (CAS 339014-44-7)
- 2-Methoxy-6-styryl-benzoic acid methyl ester (CAS 365543-13-1)
- 2,2-Dimethyl-1,3-dioxa-8-azaspiro[4.5]decane (CAS 1082040-32-1)
- 3-(P-tolyl)propiolic acid (CAS 2227-58-9)
- Phenyl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanol (CAS 857934-86-2)
- 4-Bromo-5-ethoxy-2-nitro-N-propylaniline (CAS 1280786-62-0)
- 8-Methoxy-2-(trifluoromethyl)-1,2-dihydro-4H-thieno[2,3-c]chromen-4-one (CAS 365242-46-2)
- Tirzepatide Impurity 46 (CAS CATO-C4X-324046)
Why CATO?
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