(2E)-3-(Benzenesulfonyl)prop-2-enoic acid CAS 711-29-5
| CAS No. | 711-29-5 |
| Molecular Formula | C9H8O4S |
| Molecular Weight | 212.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2E)-3-(Benzenesulfonyl)prop-2-enoic acid (CAS 711-29-5), molecular formula C9H8O4S and molecular weight 212.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2E)-3-(Benzenesulfonyl)prop-2-enoic acid (C9H8O4S) 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 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 212.22 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), (2E)-3-(Benzenesulfonyl)prop-2-enoic 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 | C9H8O4S |
| Molecular Weight | 212.22 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related E Standards
- 1-(Benzenesulfonyl)butan-2-amine (CAS 1017140-16-7)
- 3-(benzenesulfonyl)cyclobutan-1-one (CAS 67100-34-9)
- 4-(benzenesulfonyl)-1H-imidazole (CAS 1443980-18-4)
- (2E)-4-(Benzenesulfonyl)but-2-enenitrile (CAS 133167-32-5)
- 1-(Benzenesulfonyl)cyclopropane-1-carbonitrile (CAS 36674-50-7)
- 4-Ethyl-benzenesulfonyl chloride (CAS 16712-69-9)
- 1-(Benzenesulfonyl)-1H-pyrrol-2-ol (CAS 1881291-09-3)
- 6-(benzenesulfonyl)-6-azabicyclo[3.1.0]hexane (CAS 141336-05-2)
Recommended Standards
- 4-(4-Fluorophenylethynyl)phenol (CAS 197770-48-2)
- (5S)-5-((4-Fluorophenoxy)methyl)tetrahydrofuran-2-ol (CAS 220623-67-6)
- butyl 2-fluoro-5-hydroxybenzoate (CAS 1967800-78-7)
- (R)-2,3-dihydrobenzo[b]thiophene-3-carboxylic acid 1,1-dioxide (CAS 2380944-58-9)
- 2-(4-Ethyl-5-mercapto-4H-[1,2,4]triazol-3-yl)-N-(2-methoxy-phenyl)-acetamide (CAS 792944-69-5)
- 4-(aminomethyl)-2-methylbenzoic acid hydrochloride (CAS 1909306-16-6)
- 3-Chloro-4-(2-(pyrrolidin-1-yl)ethoxy)aniline (CAS 862874-68-8)
- 5-(Pyridin-4-yl)-1h-pyrazole-4-carboxylic acid (CAS 911462-25-4)
- tert-butyl (2R,4R)-4-azido-2-(hydroxymethyl)pyrrolidine-1-carboxylate (CAS 1161931-70-9)
- 1-(7-Benzyloxy-benzo[1,3]dioxol-5-yl)-propan-2-one (CAS 1965309-90-3)
- (R)-2-Amino-3-(4-methoxyphenyl)propanoic acid hydrochloride (CAS 70601-63-7)
- 5-Oxo-5,6-dihydrobenzo[c][2,6]naphthyridine-8-carboxylic acid (CAS 1009820-31-8)
- 3-Butylphthalide-d3 (CAS 6066-49-5（Unlabelled）)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
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