6-amino-2,3-dihydro-1H-indene-5-sulfonic acid CAS 36125-91-4
| CAS No. | 36125-91-4 |
| Molecular Formula | C9H11NO3S |
| Molecular Weight | 213.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-amino-2,3-dihydro-1H-indene-5-sulfonic acid 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.
6-amino-2,3-dihydro-1H-indene-5-sulfonic acid (CAS 36125-91-4) is a high-purity analytical reference standard with the molecular formula C9H11NO3S and a molecular weight of 213.25 g/mol.
6-amino-2,3-dihydro-1H-indene-5-sulfonic acid (C9H11NO3S) contains a nitrogen-containing heterocyclic scaffold, 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C9H11NO3S |
| Molecular Weight | 213.25 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- (S)-tert-Butyl 3-amino-4-((3-(4-chlorobenzoyl)-4,5- dimethylthien-2-yl)amino)-4-oxobutanoate (CAS 1268524-66-8)
- (((1-(Bromomethyl)cyclohexyl)oxy)methyl)benzene (CAS 1249890-22-9)
- Ethyl 2-(6-methoxy-3-nitropyridin-2-yl)acetate (CAS 450357-78-5)
- 2-amino-8-(3-chlorophenyl)-6,9-dihydro-1H-purin-6-one (CAS 857524-98-2)
- 4-Butoxybenzamide (CAS 73258-87-4)
- 4-Fluoro-2-(prop-2-en-1-yl)phenol (CAS 13997-72-3)
- Liraglutide Impurity 26 (CAS CATO-C4X-199226)
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