2-Isopropylpropane-1,3-diyl bis(4-methylbenzenesulfonate) CAS 24330-58-3
| CAS No. | 24330-58-3 |
| Molecular Formula | C20H26O6S2 |
| Molecular Weight | 426.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Isopropylpropane-1,3-diyl bis(4-methylbenzenesulfonate) (CAS 24330-58-3), molecular formula C20H26O6S2 and molecular weight 426.55 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, 2-Isopropylpropane-1,3-diyl bis(4-methylbenzenesulfonate) is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 426.55 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.
As a certified reference material (CRM), 2-Isopropylpropane-1,3-diyl 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 | C20H26O6S2 |
| Molecular Weight | 426.55 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Sulfur Atoms | 2 |
Related Isopropylpropane Standards
Recommended Standards
- 1-Methyl-3-((3-methyl-2-phenylindolizin-1-yl)methyl)-2-phenylindolizine (CAS 90995-65-6)
- 3,4-Dimethyl-N-(1-(thiophene-2-carbonyl)-1,2,3,4-tetrahydroquinolin-6-yl)benzenesulfonamide (CAS 932502-72-2)
- (2,3-Dihydro-1H-perimidine-2,2-diyl)bis-(methylene) dihexanoate (CAS 211933-17-4)
- 4,4'-Methylenebis(N-(3-phenylallylidene)aniline) (CAS 49679-36-9)
- 9-(2,6-Dimethylphenyl)-2-ethoxy-6-methoxy-10-methylacridin-10-ium tetrafluoroborate (CAS 2771238-32-3)
- 2-Amino-3-(2-methoxy-5-methylphenyl)propanoic acid (CAS 603105-75-5)
- 4,4-Diamino-5,5-dimethyl-2,2-biphenyldisulfonic acid disodium salt (CAS 67027-35-4)
- 1-(5-Bromo-6-(methylthio)pyridin-3-yl)-2,2,2-trifluoroethan-1-ol (CAS 2791313-09-0)
- 2-(3-Cyclopropyl-4-methylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2223031-05-6)
- 3-Bromo-1-[(4-methylphenyl)sulfonyl]-1H-indole (CAS 90481-77-9)
- Tert-butyl 4-(2-((3-bromo-4-fluorophenyl)imino)-2-(hydroxyamino)acetyl)piperidine-1-carboxylate (CAS 2084138-48-5)
- Methyl 5-chloro-1-(4-chlorophenyl)-4-oxo-1,4-dihydrocinnoline-3-carboxylate (CAS 146743-26-2)
- 5-Acetamido-2-bromobenzoic acid (CAS 22921-67-1)
- Sperm Peptide P10G (H-2424.0001) (CAS 137353-73-2)
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