2,2-Dimethyl-5-((p-tolylthio)methylene)-1,3-dioxane-4,6-dione CAS 477866-25-4
| CAS No. | 477866-25-4 |
| Molecular Formula | C14H14O4S |
| Molecular Weight | 278.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,2-Dimethyl-5-((p-tolylthio)methylene)-1,3-dioxane-4,6-dione 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.
CATO supplies 2,2-Dimethyl-5-((p-tolylthio)methylene)-1,3-dioxane-4,6-dione (CAS 477866-25-4), a certified reference material (molecular formula C14H14O4S, MW 278.32 g/mol) for analytical method development and quality control.
Structurally, 2,2-Dimethyl-5-((p-tolylthio)methylene)-1,3-dioxane-4,6-dione (C14H14O4S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 278.32 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.
Physical & Chemical Properties
| Molecular Formula | C14H14O4S |
| Molecular Weight | 278.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- 2,2-Dimethyl-5-{[(2-methylphenyl)sulfanyl]methylene}-1,3-dioxane-4,6-dione (CAS 477866-42-5)
- Dimethyl 4,4′-Biphenyl-d8-dicarboxylate (CAS 1219803-50-5)
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- 2-((1,3-Dimethyl-4-(phenylthio)-1H-pyrazol-5-yl)oxy)acetic acid (CAS 1707568-80-6)
- 3-((5,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl)thio)pentane-2,4-dione (CAS 876719-04-9)
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Recommended Standards
- 2-(tert-Butoxycarbonyl)benzo[b]thiophene-5-carboxylic acid (CAS 2502300-24-3)
- 2-(Benzyloxy)-5-fluoro-1,1'-biphenyl (CAS 2624417-57-6)
- 3-(tert-Butyl)-1-(2-(4-fluorophenoxy)ethyl)-1H-pyrazol-5(4H)-one (CAS 864685-46-1)
- 4,4'-Sulfonylbis(methoxybenzene) (CAS 3112-80-9)
- 2-Chloro-N-(2,2,2-trifluoroethyl)acetamide (CAS 170655-44-4)
- 6-Aminoisoquinolin-3-ol (CAS 1374652-60-4)
- Dilongifolylborane (CAS 77882-24-7)
- (3-(Pyrrolidin-1-ylmethyl)phenyl)(4-(trifluoromethyl)phenyl)methanone (CAS 898770-66-6)
- (R)-2-(tert-Butoxycarbonyl)-4-methyl-1,2,3,4-tetrahydroisoquinoline-7-carboxylic acid (CAS 2758014-79-6)
- 9-Bromo-3H-benzo[e]indazole (CAS 54125-15-4)
- Tert-butyl (1-(3-oxocyclobutyl)ethyl)carbamate (CAS 2167838-26-6)
- 5-Bromo-3,4-dimethylthieno[2,3-c]pyridazine-6-carbonitrile (CAS 1639210-89-1)
- 3,4-Dichloro-N-[2-(4-chlorophenoxy)ethyl]aniline (CAS 356537-24-1)
- Semaglutide Impurity 123 (CAS 71997-93-8)
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