5-(Methylsulfonyl)-2-pyridinecarboxylic Acid CAS 1186663-48-8
| CAS No. | 1186663-48-8 |
| Molecular Formula | C7H7NO4S |
| Molecular Weight | 201.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-(Methylsulfonyl)-2-pyridinecarboxylic Acid.
5-(Methylsulfonyl)-2-pyridinecarboxylic Acid (CAS 1186663-48-8), molecular formula C7H7NO4S and molecular weight 201.20 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5-(Methylsulfonyl)-2-pyridinecarboxylic Acid (C7H7NO4S) is characterized by an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-(Methylsulfonyl)-2-pyridinecarboxylic 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 | C7H7NO4S |
| Molecular Weight | 201.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylsulfonyl Standards
- 4-(Methylsulfonyl)picolinic acid (CAS 1026676-25-4)
- 2-(Methylsulfonyl)-4-pyridinecarboxylic Acid (CAS 1186663-27-3)
- 6-(Methylsulfonyl)-2-pyridinecarboxylic Acid (CAS 1186663-28-4)
- 6-(Methylsulfonyl)nicotinic Acid (CAS 1186663-34-2)
- 1-(Methylsulfonyl)-3-nitrobenzene (CAS 2976-32-1)
- 1-(Methylsulfonyl)-4-nitrobenzene (CAS 2976-30-9)
- 3-(Methylsulfonyl)pyridine-2-carboxylic Acid (CAS 61830-06-6)
- 5-(Methylsulfonyl)nicotinic Acid (CAS 893723-59-6)
Recommended Standards
- 4-(4-Fluorophenyl)picolinaldehyde (CAS 1214333-57-9)
- 2-Fluoro-3-(pyridin-4-yl)benzaldehyde (CAS 1214347-88-2)
- 2-Fluoro-6-(pyridin-3-yl)benzaldehyde (CAS 1214347-94-0)
- 4-Fluoro-3-(pyridin-3-yl)benzaldehyde (CAS 1183051-95-7)
- 287111-09-5 Caprylic acid-7,8-13C2 Octanoic acid-7,8-13C2 (CAS 287111-09-5)
- 2,2-Dimethyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indol-3-yl)propan-1-one (CAS 2390149-33-2)
- 2-(Oxetan-3-ylidene)acetic acid (CAS 1378795-93-7)
- N-(5-(1-Methyl-1H-pyrazol-5-yl)-1,3,4-oxadiazol-2-yl)-2-(m-tolyl)acetamide (CAS 1173267-88-3)
- 3-Nitro-N-(piperidin-4-ylmethyl)pyridin-2-amine hydrochloride (CAS 1185319-22-5)
- 4-(5,5-Dimethyl-1,3-dioxan-2-yl)-1-(4-iodophenyl)butan-1-one (CAS 898785-58-5)
- 3-(5-(3-Chlorophenyl)furan-2-yl)-1-(furan-2-yl)prop-2-en-1-one (CAS 304896-62-6)
- ((5-Chloro-2-fluorophenyl)ethynyl)trimethylsilane (CAS 657425-05-3)
- Tetrafluoropyrazine (CAS 13177-77-0)
- Bonemarrow-Derived Mesenchymal Stem Cells Affinity Peptide trifluoroacetate salt (CAS 683750-83-6)
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