1,2,3,3-Tetramethyl-3H-indol-1-ium-5-sulfonate CAS 174703-04-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 174703-04-9 |
| Molecular Formula | C12H15NO3S |
| Molecular Weight | 253.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2,3,3-Tetramethyl-3H-indol-1-ium-5-sulfonate (CAS 174703-04-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H15NO3S. Molecular weight: 253.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H15NO3S |
| Molecular Weight | 253.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2006 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- n,3-Diphenyl-1,2,4-thiadiazol-5-amine (CAS 17467-60-6)
- [3-(2-Pyridin-3-yl-1,3-thiazol-4-yl)phenyl]amine (CAS 176032-36-3)
- 4-(2-Phenylthiazol-4-yl)phenol (CAS 163299-06-7)
- N-methyl-2-(thietan-3-ylamino)acetamide (CAS 1878054-11-5)
- Tris(2-ethylhexyl)phosphine oxide (CAS 2785-32-2)
- 2-Methyl-5-(4-Trifluoromethylbenzoyl)pyridine (CAS 1187169-12-5)
- (1R,5S)-8-Azabicyclo[3.2.1]octan-3-one (CAS 5632-84-8)
- Ethyl 2-chloro-3-methylbutanoate (CAS 91913-99-4)
- 1-(2,2,2-Trifluoroethyl)-1h-indol-6-amine (CAS 1178958-31-0)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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