4-Cyclopropoxy-5-methoxypyridine-3-sulfonamide CAS 1243361-33-2
| CAS No. | 1243361-33-2 |
| Molecular Formula | C9H12N2O4S |
| Molecular Weight | 244.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Cyclopropoxy-5-methoxypyridine-3-sulfonamide 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.
4-Cyclopropoxy-5-methoxypyridine-3-sulfonamide (CAS 1243361-33-2), molecular formula C9H12N2O4S and molecular weight 244.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H12N2O4S, 4-Cyclopropoxy-5-methoxypyridine-3-sulfonamide 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 244.27 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.
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 | C9H12N2O4S |
| Molecular Weight | 244.27 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Cyclopropoxy Standards
- 5-Cyclopropoxy-6-methoxypyridine-3-sulfonamide (CAS 1243349-16-7)
- 5-Cyclopropoxy-4-methoxypyridine-3-sulfonamide (CAS 1243354-80-4)
- 4-Cyclopropoxy-3-methoxypyridine-2-sulfonamide (CAS 1243367-09-0)
- 5-Cyclopropoxy-3-methoxypyridine-2-sulfonamide (CAS 1243383-69-8)
- 5-Cyclopropoxy-4-methoxypyridine-2-sulfonamide (CAS 1243406-67-8)
- 3-Cyclopropoxy-6-methoxypyridine-2-sulfonamide (CAS 1243464-96-1)
- 4-Cyclopropoxy-6-methoxypyridine-3-sulfonamide (CAS 1243465-82-8)
- 3-Cyclopropoxy-2-methoxypyridine-4-sulfonamide (CAS 1243481-69-7)
Recommended Standards
- 3-Hydroxy-N-methyl-5-(methylsulfonamido)benzamide (CAS 1243361-08-1)
- 2-Hydroxy-N-methyl-5-(methylsulfonamido)benzamide (CAS 1243365-46-9)
- 5-Hydroxy-N,N-dimethyl-2-sulfamoylbenzamide (CAS 1243371-31-4)
- 4-Hydroxy-N-methyl-2-(methylsulfonamido)benzamide (CAS 1243287-01-5)
- Azetidin-3-yl (3-fluorophenyl)carbamate (CAS 1508543-35-8)
- N-(2-Fluorobenzyl)-1-(piperidin-3-yl)methanamine hydrochloride (CAS 1261235-13-5)
- 5-(3,4-Dichlorophenyl)-4-hydroxythiophene-3-carbaldehyde (CAS 808122-88-5)
- 5-Chloro-3-(2-trimethylsilylethynyl)pyrazin-2-amine (CAS 1244776-64-4)
- [1,1'-Biphenyl]-4-yl(4-(thiophen-2-yl)piperidin-1-yl)methanone (CAS 1396803-35-2)
- 4-(Iodomethyl)phenyl acetate (CAS 19260-33-4)
- 8-Bromo-7-hydroxychroman-4-one (CAS 1344895-43-7)
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- (D-Tyr1,N-Me-Phe3)-Neuropeptide FF (H-4752.0001) (CAS 145274-93-7)
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