(2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene) bis(4-methylbenzenesulfonate) CAS 136881-55-5
| CAS No. | 136881-55-5 |
| Molecular Formula | C21H26O8S2 |
| Molecular Weight | 470.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene) bis(4-methylbenzenesulfonate) (CAS 136881-55-5) is a high-purity analytical reference standard with the molecular formula C21H26O8S2 and a molecular weight of 470.56 g/mol.
Based on its molecular formula C21H26O8S2, (2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene) bis(4-methylbenzenesulfonate) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 470.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), (2,2-Dimethyl-1,3-dioxolane-4,5-diyl)bis(methylene) bis(4-methylbenzenesulfonate) 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 | C21H26O8S2 |
| Molecular Weight | 470.56 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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.) | 1996 |
| Sulfur Atoms | 2 |
Related Dimethyl Standards
- (Z)-(1-(3,3-Dimethyl-1-phenylbut-1-en-1-yl)naphthalen-2-yl)diphenylphosphine (CAS 2862827-57-2)
- 2-(8,8-Dimethyl-4-oxo-7,10-dihydro-8H-pyrano[3'',4'':5',6']pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-3(4H)-yl)-N-(naphthalen-1-yl)acetamide (CAS 844836-25-5)
- Methyl 2-((5,6-dimethyl-2H-pyran-2-yl)(ethoxy)amino)-5-((2,4-dimethylphenyl)carbamoyl)-4-methylthiophene-3-carboxylate (CAS 505095-89-6)
- 1-{[4-(3,5-dimethyl-1H-pyrazole-1-carbonyl)-1-ethyl-1H-pyrazol-3-yl]sulfonyl}-4-(2,3-dimethylphenyl)piperazine (CAS 1260936-90-0)
- Dimethyl [1,1'-bianthracene]-2,2'-dicarboxylate (CAS 63232-63-3)
- N-[[[2,5-Dimethyl-4-[2,2,2-Trifluoro-1-Hydroxy-1-(Trifluoromethyl)Ethyl]Phenyl]Amino]Carbonyl]-2,6-Difluorobenzamide (CAS 94157-92-3)
- 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-N-(4-fluorophenyl)-N-methyl-4-phenylthiophene-3-sulfonamide (CAS 1170266-71-3)
- 2-(3,5-Dimethyl-1H-pyrazole-1-carbonyl)-4-(3-fluorophenyl)-N-methyl-N-phenylthiophene-3-sulfonamide (CAS 1173059-85-2)
Recommended Standards
- Benzyl N2-((benzyloxy)carbonyl)-N6-(tert-butoxycarbonyl)-L-lysinate (CAS 128972-27-0)
- Vilazodone Ethyl Ester hydrochloride (CAS 1422956-25-9)
- 2-(10-(Naphthalen-2-yl)anthracen-9-yl)dibenzo[b,d]furan (CAS 1226809-67-1)
- 2-(10-Phenylanthracen-9-yl)naphtho[2,3-b]benzofuran (CAS 1627916-48-6)
- 2-(4-Chloro-2-methylphenoxy)-N-(2-hydroxyethyl)acetamide (CAS 7462-18-2)
- 2,5-dioxopyrrolidin-1-yl 4-((5-nitropyridin-2-yl)disulfanyl)pentanoate (CAS 663598-61-6)
- 3-(2-(Trifluoromethyl)phenyl)-1H-pyrazole (CAS 149739-52-6)
- 2,3-Dibromo-3-(2-bromophenyl)propionic Acid (CAS 246876-04-0)
- N2-Isobutyryl-2'-Fluoro-2'-deoxyguanosine (CAS 80681-25-0)
- Potassium (E)-1-propenyl-1-trifluoroborate (CAS 804565-39-7)
- 3-Isopropyl-5-oxopyrrolidine-2,4-dicarboxylic acid (CAS 13672-05-4)
- Tert-butyl (R)-3-((aminooxy)methyl)morpholine-4-carboxylate (CAS 1002750-93-7)
- 3-(Bromomethyl)-1,1-dimethylcyclohexane (CAS 855411-65-3)
- Allo-D-Ile17-Tirzepatide (CAS CATO-CPTD788962)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com