4-Methyl-2-[(4-methylphenyl)sulfonylamino]pentanoic Acid CAS 67368-40-5
| CAS No. | 67368-40-5 |
| Molecular Formula | C13H19NO4S |
| Molecular Weight | 285.36 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 4-Methyl-2-[(4-methylphenyl)sulfonylamino]pentanoic Acid.
4-Methyl-2-[(4-methylphenyl)sulfonylamino]pentanoic Acid (CAS 67368-40-5), molecular formula C13H19NO4S and molecular weight 285.36 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-Methyl-2-[(4-methylphenyl)sulfonylamino]pentanoic Acid (C13H19NO4S) 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 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 285.36 g/mol, it falls into the medium-molecular-weight range. 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.
As a certified reference material (CRM), 4-Methyl-2-[(4-methylphenyl)sulfonylamino]pentanoic 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 | C13H19NO4S |
| Molecular Weight | 285.36 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1976 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
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Recommended Standards
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- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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