2-(2,4-Dimethoxybenzoyl)-5-(1,3-dioxolan-2-yl)thiophene CAS 898779-01-6
| CAS No. | 898779-01-6 |
| Molecular Formula | C16H16O5S |
| Molecular Weight | 320.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(2,4-Dimethoxybenzoyl)-5-(1,3-dioxolan-2-yl)thiophene 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.
2-(2,4-Dimethoxybenzoyl)-5-(1,3-dioxolan-2-yl)thiophene (CAS 898779-01-6) is a high-purity analytical reference standard with the molecular formula C16H16O5S and a molecular weight of 320.36 g/mol.
Owing to a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, 2-(2,4-Dimethoxybenzoyl)-5-(1,3-dioxolan-2-yl)thiophene is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 320.36 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C16H16O5S |
| Molecular Weight | 320.36 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 |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 1 |
Related Dimethoxybenzoyl Standards
- 2-(2,3-Dimethoxybenzoyl)-5-(1,3-dioxolan-2-yl)thiophene (CAS 898778-98-8)
- 2-(3,5-Dimethoxybenzoyl)-5-(1,3-dioxolan-2-yl)thiophene (CAS 898779-13-0)
- 3-(3,5-Dimethoxybenzoyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-amine (CAS 793678-79-2)
- 3-(3,4-Dimethoxybenzoyl)-4-hydroxyquinolin-2(1H)-one (CAS 90181-88-7)
- 2-(3,4-Dimethoxybenzoyl)-1H-indene-1,3(2H)-dione (CAS 374722-15-3)
- 1-(3,4-Dimethoxybenzoyl)-1H-indole-3-carbaldehyde (CAS 1285252-23-4)
- 2-(2,4-Dimethoxybenzoyl)-6-methoxypyridine (CAS 1187168-15-5)
- N'-(3,5-Dimethoxybenzoyl)isonicotinohydrazide (CAS 300815-88-7)
Recommended Standards
- 2-(2-Ethoxynaphthylidene)-4'-fluoroacetophenone (CAS 886762-06-7)
- 2-(2-(3-(4-Methoxyphenyl)propanamido)thiazol-4-yl)acetic acid (CAS 931374-27-5)
- 2-((2-(3,4-Dimethoxyphenyl)-2-oxoethyl)thio)-6-methylpyrimidin-4(3H)-one (CAS 324577-88-0)
- 2'-(Benzyloxy)-5'-fluoro-3-methyl-[1,1'-biphenyl]-4-carbaldehyde (CAS 2624416-89-1)
- tert-Butyl (2-chloro-4,5-difluoro-3-iodophenyl)carbamate (CAS 2754409-58-8)
- Ethyl 3-amino-4-(diallylamino)benzoate (CAS 1219967-29-9)
- 3-methyl-1-(2-methylpropyl)piperazin-2-one (CAS 1214021-50-7)
- 2-(2,6-dioxo-3-piperidyl)-4-(7-iodoheptoxy)isoindoline-1,3-dione (CAS 2697100-43-7)
- 2-(piperidin-3-yl)-1H-indole (CAS 92960-62-8)
- 1-(2-aminopyrimidin-4-yl)piperidin-3-ol (CAS 1314355-94-6)
- 3-(4-Thiomethylphenyl)-3-trifluoromethyl-propiophenone (CAS 898781-55-0)
- 3,4-Dichloro-5-(trifluoromethoxy)benzoic acid (CAS 1706458-45-8)
- 4-[(4-methylphenyl)methyl]piperidin-4-ol hydrochloride (CAS 193357-39-0)
- Semaglutide-d5 (CAS CATO-C4X-2226153)
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