3-(4-Methoxybenzenesulfonyl)-2-methylpropanoic acid CAS 205504-66-1
| CAS No. | 205504-66-1 |
| Molecular Formula | C11H14O5S |
| Molecular Weight | 258.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-(4-Methoxybenzenesulfonyl)-2-methylpropanoic acid (C11H14O5S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. 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 258.29 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
3-(4-Methoxybenzenesulfonyl)-2-methylpropanoic acid (CAS 205504-66-1), molecular formula C11H14O5S and molecular weight 258.29 g/mol, is a CATO reference standard with documented purity and traceability.
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), 3-(4-Methoxybenzenesulfonyl)-2-methylpropanoic 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 | C11H14O5S |
| Molecular Weight | 258.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Sulfur Atoms | 1 |
Related Methoxybenzenesulfonyl Standards
- 1-(4-Methoxybenzenesulfonyl)pyrazolidin-3-one (CAS 477850-52-5)
- 3-Acetyl-5-methoxybenzenesulfonyl chloride (CAS 85276-42-2)
- 5-(4-Methoxybenzenesulfonyl)-4-methyl-1,2,3-thiadiazole (CAS 338978-78-2)
- 3-Ethyl-4-methoxybenzenesulfonyl chloride (CAS 84911-01-3)
- 5-Ethyl-2-methoxybenzenesulfonyl chloride (CAS 88040-88-4)
- n-[1-(4-methoxybenzenesulfonyl)piperidin-4-ylidene]hydroxylamine (CAS 923180-07-8)
- 2-(3-Methoxybenzenesulfonyl)acetic Acid (CAS 3938-00-9)
- 6-(4-Methoxybenzenesulfonyl)pyridine-3-carboxylic acid (CAS 1031599-54-8)
Recommended Standards
- 3-(4-Fluorophenyl)-6-piperazin-1-ylpyridazine (CAS 933725-19-0)
- 3-Ethyl-4-methanesulfonyl-2-methoxybenzoic acid (CAS 329695-71-8)
- 3-(4-Fluorophenyl)-2-methoxypropiophenone (CAS 898767-91-4)
- 3-Fluoro-3-(2-methoxyphenyl)propiophenone (CAS 898769-93-2)
- (Octahydro-Cyclopenta[1,4]Oxazin-7-Yl)-Methanol (CAS 1263179-35-6)
- (S)-2-Fluorocyclopentan-1-one (CAS 2343963-82-4)
- 3,3',5,5'-Tetra(1H-imidazol-1-yl)-1,1'-biphenyl (CAS 1373155-12-4)
- 4-Phenylpentan-2-one (CAS 17913-10-9)
- 1,3-Dioxan-5-one (CAS 87683-81-6)
- Methyl 5-amino-2-chloro-4-hydroxybenzoate (CAS 2091307-55-8)
- 4-(bromomethyl)-2-(4-(difluoromethoxy)-3-isopropoxyphenyl)oxazole (CAS 1574285-38-3)
- tert-Butyl (R)-3-(2,4,6-trimethylbenzyl)piperazine-1-carboxylate (CAS 1260611-96-8)
- 2-Hydroxyethyl butyrate (CAS 4219-46-9)
- Endo-[Glu]31-Liraglutide (CAS CATO-C4X-199234)
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