Triethylamine 2,3,3-trimethyl-3H-indole-5-sulfonate CAS 132557-73-4
| CAS No. | 132557-73-4 |
| Molecular Formula | C11H13NO3S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Triethylamine 2,3,3-trimethyl-3H-indole-5-sulfonate 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.
Triethylamine 2,3,3-trimethyl-3H-indole-5-sulfonate (CAS 132557-73-4), molecular formula C11H13NO3SC6H15N and molecular weight 340.48 g/mol, is a CATO reference standard with documented purity and traceability.
Triethylamine 2,3,3-trimethyl-3H-indole-5-sulfonate (C11H13NO3SC6H15N) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H13NO3S C6H15N |
| Molecular Weight | 340.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Triethylamine Standards
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- Triethylamine (CAS 121-44-8)
- 1264298-45-4 Triethylamine 3-((Z)-2-((E)-2-(2-(diphenylamino)-3-((E)-2-(5-methoxy-3-(3-sulfonatopropyl)benzo[d]thiazol-3-ium-2-yl)vinyl)cyclopent-2-en-1-ylidene)ethylidene) (CAS 1264298-45-4)
- Triethylamine 5-chloro-1H-1,2,4-triazole-3-carboxylate (CAS 1390654-17-7)
- Triethylamine 3-((Z)-5-chloro-2-(((E)-3-((5-chloro-3-(3-sulfonatopropyl)benzo[d]thiazol-3-ium-2-yl)methylene)-2,5,5-trimethylcyclohex-1-en-1-yl)methylene)benzo (CAS 1401402-07-0)
- Triethylamine 4-chloro-3-(4-(4-(dimethylamino)benzylidene)-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonate (CAS 143193-48-0)
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Recommended Standards
- 2-(2,3-Dioxo-4-phenyl-3,4-dihydropyrazin-1(2H)-yl)acetonitrile (CAS 1226445-08-4)
- Octyl Gallate (CAS 1034-01-1)
- Zirconium(IV) hydroxide (CAS 14475-63-9)
- 1-Ethyl-3-(trifluoromethyl)-1H-pyrazole-5-carbaldehyde (CAS 1443279-59-1)
- (1R)-2,2',3,3'-Tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diamine (CAS 1041434-65-4)
- (2-fluoro-4-methoxyphenyl)hydrazine (CAS 154080-00-9)
- 4,5-Dimethyl 1-(4,6-dimethylpyrimidin-2-yl)-1H-1,2,3-triazole-4,5-dicarboxylate (CAS 23951-57-7)
- 2-Methyl-5-(4-trifluoromethyl-phenyl)-furan-3-carboxylic acid (CAS 672930-52-8)
- xanthine sodium salt (CAS 1196-43-6)
- Semaglutide impurity 28 (CAS CATO-C4X-222628)
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