25321-41-9 Benzenesulfonic acid, dimethyl- Dimethylbenzenesulfonic acid Xylene sulfonic acid Xylenesulphonic acid EINECS 246-839-8 Xylenesulfonic acid EC 246-839-8 CAS 25321-41-9
| CAS No. | 25321-41-9 |
| Molecular Formula | C8H10O3S |
| Molecular Weight | 186.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 25321-41-9 Benzenesulfonic acid, dimethyl- Dimethylbenzenesulfonic acid Xylene sulfonic acid Xylenesulphonic acid EINECS 246-839-8 Xylenesulfonic acid EC 246-839-8.
25321-41-9 Benzenesulfonic acid, dimethyl- Dimethylbenzenesulfonic acid Xylene sulfonic acid Xylenesulphonic acid EINECS 246-839-8 Xylenesulfonic acid EC 246-839-8 (CAS 25321-41-9), molecular formula C8H10O3S and molecular weight 186.23 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 25321-41-9 Benzenesulfonic acid, dimethyl- Dimethylbenzenesulfonic acid Xylene sulfonic acid Xylenesulphonic acid EINECS 246-839-8 Xylenesulfonic acid EC 246-839-8 (C8H10O3S) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
CATO manufactures 25321-41-9 Benzenesulfonic acid, dimethyl- Dimethylbenzenesulfonic acid Xylene sulfonic acid Xylenesulphonic acid EINECS 246-839-8 Xylenesulfonic acid EC 246-839-8 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H10O3S |
| Molecular Weight | 186.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Sulfur Atoms | 1 |
Related Benzenesulfonic Standards
- Benzenesulfonic Impurity 4 (CAS 55034-26-9)
- Benzenesulfonic acid, 2-propenyl ester (CAS 7575-57-7)
- Benzenesulfonic acid, 4-methyl-, ethenyl ester (CAS 83813-73-4)
- Benzenesulfonic Acid Impurity 5 (CAS 249285-50-5)
- Benzenesulfonic acid, diethenyl-, homopolymer (CAS 65405-46-1)
- Benzenesulfonic Acid (CAS 98-11-3)
- Benzenesulfonic Acid Impurity 11 (CAS 24698-43-9)
- Benzenesulfonic acid, (acetylamino)- (CAS 138721-63-8)
Recommended Standards
- 1-ISOTHIOCYANATO-4-NITROBENZENE 4-NITROPHENYL ISOTHIOCYANATE P-NITROPHENYL ISOTHIOCYANATE 1-isothiocyanato-4-nitro-benzen 2131-61-5 4-Nitrophenyl isothiocyanate BCP20905 (CAS 2131-61-5)
- 3529-82-6 Benzene, 1-isothiocyanato-3-nitro- Isothiocyanic acid, m-nitrophenyl ester 3-12-00-01573 (Beilstein Handbook Reference) BRN 2094061 1-Isothiocyanato-3-nitrobenzene m-Nitrophenyl isothiocyanate 3-Nitrophenyl isothiocyanate (CAS 3529-82-6)
- Tizanidine Unknown Impurity (CAS 5391-53-7)
- 68087-13-8 6-(Methoxymethyl)-2-(methylsulfanyl)pyrimidin-4(1H)-one DTXSID10369630 (CAS 68087-13-8)
- 6-Bromo-2-chloroquinoxaline (CAS 55687-02-0)
- 9-Hydroxymethyl-10-carbamoylacridan (CAS 68011-71-2)
- 2-(3-Fluoro-4-nitrophenyl)ethan-1-ol (CAS 1637714-63-6)
- 62208-63-3 1-methyl-4-(2-nitrophenyl)piperazine DTXSID20328470 (CAS 62208-63-3)
- Diethyl (2,4-dichlorobenzyl)phosphonate (CAS 57277-24-4)
- 5,5'-(1-((Dichloromethyl)sulfonyl)ethene-1,2-diyl)bis(2-nitrofuran) (CAS 62429-81-6)
- (5AR,9aS)-1-(trifluoromethyl)-4,5,5a,6,7,8,9,9a-octahydro-[1,2,4]triazolo[4,3-a][1,6]naphthyridine (CAS 2227198-58-3)
- Methyl6-oxo-4,5-dihydro-1h-cyclopenta[b]pyrrole-2-carboxylate (CAS 1041430-92-5)
- 3-(Chlorosulfonyl)-4,5-difluorobenzoic acid (CAS 716361-76-1)
- Tirzepatide Impurity 25 X TFA Salt (CAS CATO-C4X-324025)
Why CATO?
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