Phenyl(pyridin-1-ium-1-yl)methanesulfonate CAS 83283-97-0
| CAS No. | 83283-97-0 |
| Molecular Formula | C12H11NO3S |
| Molecular Weight | 249.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Phenyl(pyridin-1-ium-1-yl)methanesulfonate 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.
Phenyl(pyridin-1-ium-1-yl)methanesulfonate (CAS 83283-97-0), molecular formula C12H11NO3S and molecular weight 249.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H11NO3S, Phenyl(pyridin-1-ium-1-yl)methanesulfonate 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 249.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H11NO3S |
| Molecular Weight | 249.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Phenyl Standards
- Ethyl 2-(pyridin-3-ylamino)thiazole-4-carboxylate (CAS 1286721-00-3)
- 1-((5-(Pyridin-2-ylmethyl)-1,3,4-oxadiazol-2-yl)thio)propan-2-one (CAS 606117-18-4)
- Ethyl 2-(pyridin-2-ylamino)thiazole-4-carboxylate (CAS 232596-43-9)
- Ethyl 5-[(pyridin-3-yl)amino]-1,3-thiazole-4-carboxylate (CAS 899896-00-5)
- 3-[(E)-2-(Pyridin-3-yl)ethenyl]-1,2-dihydroquinoxalin-2-one (CAS 1000169-10-7)
- 2-(3-Oxo-1-(pyridin-3-ylmethyl)piperazin-2-yl)acetic acid (CAS 1024591-58-9)
- 2-(3-Oxo-1-(pyridin-2-ylmethyl)piperazin-2-yl)acetic acid (CAS 1041005-47-3)
- 1-Phenyl-3-(pyridin-3-yl)-1H-pyrazole-4-carbaldehyde (CAS 36640-50-3)
Recommended Standards
- o-Aminophenylbenzenesulfonate (CAS 68227-69-0)
- Thiazol-5-ylmethyl 3-methoxybenzoate (CAS 338981-74-1)
- n-[5-(2-amino-1,3-thiazol-4-yl)-2-hydroxyphenyl]acetamide (CAS 872107-81-8)
- 256529-18-7 Ethyl 4-methyl-2-(2-pyrazinyl)thiazole-5-carboxylate MFCD00111658 (CAS 256529-18-7)
- 77299-63-9 LDBBA Lithium diisobutyl-tert-butoxyaluminum hydride solution (CAS 77299-63-9)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-3-isopropylpiperazine (CAS 1781241-43-7)
- (S)-N-Boc-1,2,3,4-tetrahydroisoquinoline-3-carboxylic Acid (CAS 78879-20-6)
- 2-(2,2-Dimethyl-1,3-dioxan-5-yl)ethan-1-ol (CAS 102147-75-1)
- (S)-4-(Aminomethyl)pyrrolidin-2-one (CAS 1292289-46-3)
- Ethyl 4-((trimethylsilyl)oxy)but-2-ynoate (CAS 122850-62-8)
- 2,5-Dioxopyrrolidin-1-yl 3-oxocyclobutane-1-carboxylate (CAS 939412-81-4)
- N-Ethyl-2-(2-((4-methylbenzyl)thio)thiazol-4-yl)acetamide (CAS 953987-68-3)
- 4'-(Trifluoromethoxy)-[1,1'-biphenyl]-3-amine (CAS 436150-22-0)
- Semaglutide（sodium salt） (CAS CATO-C4X-222619)
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