N-(Pyrimidin-2-ylcarbamoyl)benzenesulfonamide CAS 65304-26-9
| CAS No. | 65304-26-9 |
| Molecular Formula | C11H10N4O3S |
| Molecular Weight | 278.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, N-(Pyrimidin-2-ylcarbamoyl)benzenesulfonamide (C11H10N4O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 278.29 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
N-(Pyrimidin-2-ylcarbamoyl)benzenesulfonamide (CAS 65304-26-9), molecular formula C11H10N4O3S and molecular weight 278.29 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), N-(Pyrimidin-2-ylcarbamoyl)benzenesulfonamide 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 | C11H10N4O3S |
| Molecular Weight | 278.29 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.) | 1975 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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- N-(pyrimidin-2-yl)-2,3-dihydro-1H-indole-5-sulfonamide (CAS 1152600-26-4)
- 2-(Pyrimidin-2-yl)-4-(trifluoromethyl)thiazole-5-carboxylic acid (CAS 1104276-21-2)
- 1-(Pyrimidin-2-yl)-3-(3-(trifluoromethyl)phenyl)urea (CAS 23656-30-6)
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Recommended Standards
- N-(5-Ethyl-1,3,4-thiadiazol-2-yl)-4-nitrobenzamide (CAS 313662-95-2)
- Sulfasalazine impurity 13 (CAS CATO-C4X-141913)
- 6-Methyl-3-((3-nitrobenzyl)thio)-1,2,4-triazin-5(4H)-one (CAS 872629-62-4)
- Penfluridol Impurity 11 (CAS CATO-C4X-353811)
- 1-Methyl-2-phenyl-5-(pyrrolidin-1-yl)-1H-imidazole (CAS 799813-89-1)
- N-(5-Cyclopentyl-1,3,4-thiadiazol-2-yl)-2,6-dimethoxybenzamide (CAS 82559-56-6)
- (4-Cyanothiophen-3-yl)boronic acid (CAS 1219628-86-0)
- Ethyl 2-amino-6-nitrobenzoate (CAS 115156-25-7)
- 2-(2,6-Dimethylphenoxy)aniline (CAS 38629-93-5)
- 1-(6-Methylpyridin-2-yl)cyclopropan-1-amine (CAS 1060806-09-8)
- (S)-1-(pyridin-4-yl)butan-1-amine (CAS 1213438-67-5)
- Chalcopyrite (CAS 1308-56-1)
- 2,3-Dihydro-1H-pyrrolo[2,3-b]pyridine-2-carboxylic acid hydrochloride (CAS 1779413-71-6)
- Cholecystokinin Octapeptide (1-3) (desulfated) H-Asp-Tyr-Met-OH (CAS 121880-94-2)
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