(2S,3S)-Butane-2,3-diyl bis(4-methylbenzenesulfonate) CAS 74839-83-1
| CAS No. | 74839-83-1 |
| Molecular Formula | C18H22O6S2 |
| Molecular Weight | 398.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (2S,3S)-Butane-2,3-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.
(2S,3S)-Butane-2,3-diyl bis(4-methylbenzenesulfonate) (CAS 74839-83-1) is a high-purity analytical reference standard with the molecular formula C18H22O6S2 and a molecular weight of 398.49 g/mol.
Based on its molecular formula C18H22O6S2, (2S,3S)-Butane-2,3-diyl 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 398.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C18H22O6S2 |
| Molecular Weight | 398.49 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Sulfur Atoms | 2 |
Recommended Standards
- (2R,3R)-Butane-2,3-diyl bis(4-methylbenzenesulfonate) (CAS 64896-27-1)
- 2,5,8,11,14,17,20,23,26-Nonaoxaheptacosane (CAS 25990-94-7)
- BnO-PEG4-Boc (CAS 1807503-89-4)
- 2-Methylpropane-1,3-diyl bis(4-methylbenzenesulfonate) (CAS 24330-53-8)
- 81216-13-9 8-bromo-1-octyne DTXSID40455373 (CAS 81216-13-9)
- L-Leucyl-L-valyl-L-prolyl-L-arginine (CAS 125775-47-5)
- Methyl 2-(2-chloro-1H-indol-3-yl)acetate (CAS 1912-34-1)
- Ethyl 2-[4-chloro-5-methyl-3-(trifluoromethyl)-1h-pyrazol-1-yl]acetate (CAS 345237-74-3)
- Auramine (CAS 492-80-8)
- 4-Bromo-N-{[5-(methylsulfanyl)-4-(prop-2-en-1-yl)-4H-1,2,4-triazol-3-yl]methyl}benzene-1-sulfonamide (CAS 338794-44-8)
- Ethyl 5-fluoro-4-methylpicolinate (CAS 1806368-65-9)
- 5-Bromo-1-((trimethylsilyl)oxy)-2,3-dihydro-1H-indene-1-carbonitrile (CAS 1132943-65-7)
- 2-(Cyanomethyl)benzeneboronic acid (CAS 16538-46-8)
- Des-Pro31-Tirzepatide (CAS CATO-CPTD788943)
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