4-(Dimethylamino)benzenesulfonic acid CAS 121-58-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 121-58-4 |
| Molecular Formula | C8H11NO3S |
| Molecular Weight | 201.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Dimethylamino)benzenesulfonic acid (CAS 121-58-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H11NO3S. Molecular weight: 201.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H11NO3S |
| Molecular Weight | 201.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dimethylamino Standards
- 2-(Dimethylamino)benzenesulfonic Acid (CAS 14503-46-9)
- 6-(Dimethylamino)pyridine-3-sulfonamide (CAS 199590-78-8)
- 7-(Dimethylamino)-1,4-dioxaspiro[4.5]decan-8-ol (CAS 1247799-95-6)
- 2-((4-(Dimethylamino)cyclohexyl)oxy)acetic acid (CAS 1353957-20-6)
- (6-(Dimethylamino)naphthalen-2-yl)methanol (CAS 891491-99-9)
- 1-[(dimethylamino)methyl]naphthalen-2-ol (CAS 5419-02-3)
- 2-((Dimethylamino)methylene)-3,4-dihydronaphthalen-1(2h)-one (CAS 34773-02-9)
- 2-((Dimethylamino)methylene)-1H-indene-1,3(2H)-dione (CAS 28752-91-2)
Recommended Standards
- 3'-Fluoro-4'-methyl-[1,1'-biphenyl]-3-amine (CAS 1187386-07-7)
- (3-Fluoro-4-phenylphenyl)methanamine (CAS 1214373-93-9)
- 4-(4-Fluoro-3-methylphenyl)aniline (CAS 1183774-59-5)
- N-(2-(Naphtho[1,2-d]oxazol-2-yl)vinyl)aniline (CAS 565470-99-7)
- 6,7-Dimethoxy-1-methylisoquinolin-3-amine hydrochloride (CAS 203522-35-4)
- (4-Fluoro-3-propoxyphenyl)(methyl)sulfane (CAS 1379292-31-5)
- ((2R,3R,4S,5S,6S)-3,4,5,6-tetrakis(benzyloxy)tetrahydro-2H-pyran-2-yl)methanol (CAS 57783-76-3)
- 2-(4-Bromophenyl)-4,4-dimethyl-4,5-dihydrothiazole (CAS 1062213-95-9)
- D-Myo-inositol 2,4-bis-phosphate (CAS 106358-02-5)
- Semaglutide impurity 48 (CAS CATO-C4X-222648)
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