5-Nitro-2-(phenylsulfonyl)pyridine CAS 69770-61-2
| CAS No. | 69770-61-2 |
| Molecular Formula | C11H8N2O4S |
| Molecular Weight | 264.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-Nitro-2-(phenylsulfonyl)pyridine 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.
5-Nitro-2-(phenylsulfonyl)pyridine (CAS 69770-61-2), molecular formula C11H8N2O4S and molecular weight 264.26 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H8N2O4S, 5-Nitro-2-(phenylsulfonyl)pyridine contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 264.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C11H8N2O4S |
| Molecular Weight | 264.26 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.) | 1976 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Nitro Standards
- 3-Nitro-2-(phenylsulfonyl)pyridine (CAS 188429-02-9)
- 2-Nitro-5-(piperidin-1-yl)benzohydrazide (CAS 1147979-35-8)
- Methyl 4-nitro-3-(piperidin-1-yl)benzoate (CAS 1272756-51-0)
- 2-(5-Nitro-1H-indazol-3-yl)benzonitrile (CAS 1356087-64-3)
- 3-(5-Nitro-1H-indazol-3-yl)benzonitrile (CAS 1356087-69-8)
- 4-(5-Nitro-1H-indazol-3-yl)benzonitrile (CAS 1356087-72-3)
- 5-Nitro-2-(3-methylpiperidin-1-yl)benzoic acid (CAS 78243-26-2)
- 7-Nitro-N,N-dipropylbenzo[c][1,2,5]oxadiazol-4-amine (CAS 74400-48-9)
Recommended Standards
- 5-[(E)-1,3-Benzodioxol-5-ylmethylidene]-2-(hydroxyamino)-1,3-thiazol-4(5H)-one (CAS 73855-64-8)
- 7-[(Z)-2-(4-Fluorophenyl)ethenyl]pyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 338394-49-3)
- 4-Phenyl-4-sulfanyl-2-(trifluoromethyl)butanoic acid (CAS 870703-90-5)
- Diethyl naphthalen-1-ylphosphonate (CAS 25944-75-6)
- N-([1,1'-biphenyl]-2-yl)acrylamide (CAS 89168-26-3)
- Methyl 2,2-difluoro-3-formylcyclopropane-1-carboxylate (CAS 1803598-13-1)
- (R,E)-4-Phenylbut-3-en-2-ol (CAS 62413-47-2)
- N1-(2-Hydroxyethyl)-N2-(2-methoxyethyl)oxalamide (CAS 357268-03-2)
- 1-(4-(Methylsulfonyl)phenyl)propan-1-amine (CAS 889937-01-3)
- 2-(3-Amino-1h-1,2,4-triazol-1-yl)-N-(sec-butyl)acetamide (CAS 1184160-81-3)
- 1-((2-Bromopyridin-4-yl)methyl)azetidin-3-ol (CAS 1459771-90-4)
- (S)-3-Amino-4,4-dimethyldihydrofuran-2(3H)-one hydrochloride (CAS 153665-45-3)
- 3-Amino-4-(4-chlorophenyl)-N-(4-methyl-3-nitrophenyl)-6-(p-tolyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 444154-12-5)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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