3-(1H-Imidazol-4-yl)-2-(4-methylphenylsulfonamido)propanoic acid CAS 21013-92-3
| CAS No. | 21013-92-3 |
| Molecular Formula | C13H15N3O4S |
| Molecular Weight | 309.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 3-(1H-Imidazol-4-yl)-2-(4-methylphenylsulfonamido)propanoic acid (CAS 21013-92-3), a certified reference material (molecular formula C13H15N3O4S, MW 309.34 g/mol) for analytical method development and quality control.
Structurally, 3-(1H-Imidazol-4-yl)-2-(4-methylphenylsulfonamido)propanoic acid (C13H15N3O4S) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 309.34 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 3-(1H-Imidazol-4-yl)-2-(4-methylphenylsulfonamido)propanoic 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 | C13H15N3O4S |
| Molecular Weight | 309.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1963 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related H Standards
- 3-(1h-Imidazol-4-yl)-2-(4-methylbenzenesulfonamido)propanoic acid (CAS 876027-98-4)
- 6-(1H-Imidazol-1-yl)-N-(2-methoxy-5-methylphenyl)pyridazine-3-carboxamide (CAS 1396792-69-0)
- 3-(4-(1H-imidazol-1-yl)phenyl)-N-(tert-butyl)-1H-pyrazole-1-carboxamide (CAS 321385-63-1)
- 2-(2-(1H-Imidazol-2-yl)phenyl)-5-chloro-6-methyl-1H-benzo[d]imidazole (CAS 824394-93-6)
- 4'-(1H-Imidazol-1-yl)[1,1'-biphenyl]-3,5-dicarboxylic acid (CAS 2270877-19-3)
- 1-(4-(2-(1H-Imidazol-1-yl)ethyl)piperazin-1-yl)-3-phenylprop-2-en-1-one (CAS 1396891-01-2)
- 2-((6-(4-(1H-Imidazol-1-yl)phenyl)pyridazin-3-yl)thio)acetamide (CAS 896320-18-6)
- 1-(2-(1H-imidazol-1-yl)phenyl)-3-(2,6-dimethylphenyl)urea (CAS 866042-18-4)
Recommended Standards
- 3-(2-Benzothiazolyl)-6-methoxycoumarin (CAS 245072-50-8)
- 3-((5-Phenyl-1,3,4-oxadiazol-2-yl)methyl)benzo[d]thiazol-2(3H)-one (CAS 853749-92-5)
- 3-Cyano-N-(3-cyano-4-methanesulfinylphenyl)benzamide (CAS 955976-81-5)
- 2-Hydroxyphenyl (2-methoxybenzyl)sulfamate (CAS 478261-01-7)
- Dipropylene Glycol Monomethyl Ether (mixture of isomers) (CAS 20324-32-7)
- N-(2-Methoxyethyl)-2-(3-methoxyphenyl)-N-(thiophen-3-ylmethyl)acetamide (CAS 1219912-24-9)
- rel-1,2-Bis((2S,5S)-2,5-diisopropylphospholan-1-yl)benzene (CAS 943848-50-8)
- 3'-Fluoro-[1,1'-biphenyl]-2-carbaldehyde (CAS 676348-32-6)
- (2R,3R,4S,5R)-3,4,5,6-Tetrahydroxy-2-((7-nitrobenzo-[c][1,2,5]oxadiazol-4-yl)amino)hexanal (CAS 174844-42-9)
- 2-(2-Amino-1H-benzo[d]imidazol-1-yl)-4,5-dimethylphenol (CAS 2652015-17-1)
- (4-(1H-Pyrrol-1-yl)phenyl)(4-(5-methyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl)methanone (CAS 1396870-62-4)
- Pyrrolidin-2-ylmethanethiol (CAS 3433-31-6)
- Pitolisant impurity 39 (CAS 2858590-15-3)
- Peptide Impurity 81 TFA (CAS CATO-CPTD788581)
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