Methyl 4-[(methylsulfonyl)(phenyl)amino]butanoate CAS 1858255-01-2
| CAS No. | 1858255-01-2 |
| Molecular Formula | C12H17NO4S |
| Molecular Weight | 271.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 4-[(methylsulfonyl)(phenyl)amino]butanoate (CAS 1858255-01-2), molecular formula C12H17NO4S and molecular weight 271.33 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 4-[(methylsulfonyl)(phenyl)amino]butanoate (C12H17NO4S) 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 271.33 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), Methyl 4-[(methylsulfonyl)(phenyl)amino]butanoate 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 | C12H17NO4S |
| Molecular Weight | 271.33 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.) | 1995 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- (R)-6-(4-(methylsulfonyl)phenoxy)-1,4-oxazepane (CAS 1795788-61-2)
- [4'-(Methylsulfonyl)[1,1'-biphenyl]-4-yl] acetonitrile (CAS 893737-90-1)
- 5-[4-(Methylsulfonyl)phenyl]-1H-indole (CAS 599198-39-7)
- (1-(Methylsulfonyl)piperidin-4-yl)methyl methanesulfonate (CAS 647025-15-8)
- Methyl 4-(methylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylate (CAS 1160474-62-3)
- 2-(4-(Methylsulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-2-yl)acetic acid (CAS 1708380-66-8)
- 6-Methyl-4-(methylsulfonyl)-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 1858255-03-4)
- 3-((Methylsulfonyl)methyl)-4-(pentyloxy)aniline (CAS 5819-64-7)
Recommended Standards
- 2-[(3-Methylphenyl)(methylsulfonyl)amino]butanoic acid (CAS 1858240-47-7)
- ((2,3,5,6-Tetramethylphenyl)sulfonyl)glycine (CAS 379250-94-9)
- 2,7-Dimethoxyacridine-9(10H)-thione (CAS 184582-60-3)
- ((3R,4R)-4-Hydroxypyrrolidin-3-yl)methyl 4-methylbenzenesulfonate (CAS 2810050-74-7)
- 3-(Methylamino)isoquinolin-1(2H)-one (CAS 32901-19-2)
- (Tetrahydro-2H-pyran-4-yl)(thiophen-2-yl)methanone (CAS 1344015-93-5)
- H-Glu(Trp-OH)-OH (G-1995.0250) (CAS 66471-20-3)
- Methyl (S,E)-4-ethylidenepyrrolidine-2-carboxylate (CAS 1450878-50-8)
- (2,3-Dimethoxyphenyl)(quinolin-3-yl)methanone (CAS 1187171-88-5)
- 2-Amino-2-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)propanoic acid (CAS 1134434-42-6)
- N-(3,5-Difluorophenyl)-3-methylbenzamide (CAS 881765-81-7)
- 2-(4-Bromo-2-buten-1-yl)-1,3-isoindolinedione (CAS 42561-71-7)
- 5-Cyano-1H-indole-6-carboxylic acid (CAS 1227269-42-2)
- D-[Phe6]-Semaglutide (CAS CATO-C4X-2226213)
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