7-(N-(3-Ethynylphenyl)sulfamoyl)-2,3-dihydro-1H-indene-5-carboxylic acid CAS 1259098-39-9
| CAS No. | 1259098-39-9 |
| Molecular Formula | C18H15NO4S |
| Molecular Weight | 341.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
7-(N-(3-Ethynylphenyl)sulfamoyl)-2,3-dihydro-1H-indene-5-carboxylic acid (CAS 1259098-39-9) is a high-purity analytical reference standard with the molecular formula C18H15NO4S and a molecular weight of 341.38 g/mol.
Structurally, 7-(N-(3-Ethynylphenyl)sulfamoyl)-2,3-dihydro-1H-indene-5-carboxylic acid (C18H15NO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 341.38 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C18H15NO4S |
| Molecular Weight | 341.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related N Standards
- 5-((3-Ethynylphenyl)amino)pyrimido[4,5-c]quinoline-8-carboxylic acid (CAS 1009821-06-0)
- 2-(3-(N-(3-Ethynylphenyl)sulfamoyl)-4-methoxyphenyl)acetic acid (CAS 1223208-76-1)
- 3-(N-(3-Ethynylphenyl)-N-methylsulfamoyl)-5-fluoro-4-methylbenzoic acid (CAS 1384669-12-8)
- 4-[(3-Ethynylphenyl)amino]-6-(2-methoxyethoxy)-7-quinazolinol (CAS 183320-72-1)
- 4-[(3-Ethynylphenyl)amino]-7-(2-methoxyethoxy)-6-quinazolinol (CAS 183322-38-5)
- N4-(3-Ethynylphenyl)-7-(2-methoxyethoxy)quinazoline-4,6-diamine (CAS 1314492-65-3)
- 4’-(4-Ethynylphenyl)-2,2’:6’,2’’-terpyridine (CAS 149817-61-8)
- 4-((3-Ethynylphenyl)amino)-7-methoxyquinazolin-6-yl acetate (CAS 905306-07-2)
Recommended Standards
- 2-((4-Phenoxyphenyl)amino)pyridine-3-sulfonamide (CAS 1251677-51-6)
- 3-Hydroxy-1-[5-hydroxy-3-methyl-1-(4-phenyl-1,3-thiazol-2-yl)-1H-pyrazol-4-yl]-2-buten-1-one (CAS 129302-16-5)
- N-(2-Methoxyphenyl)-2-(6-oxo-4-(thiophen-2-yl)pyrimidin-1(6H)-yl)acetamide (CAS 1251667-80-7)
- 2-{[5-(phenoxymethyl)-4-phenyl-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 131142-09-1)
- Triisodecyl Phosphite (mixture of isomers) (CAS 25448-25-3)
- 8-Methyl-7-(trifluoromethyl)-1,2,3,4-tetrahydroquinoline (CAS 1388037-17-9)
- N-Cbz-2-(hydroxymethyl)homomorpholine (CAS 1256633-21-2)
- N-(3-Aminophenyl)-2-[2-(sec-butyl)phenoxy]-propanamide (CAS 1020054-42-5)
- α-[2-[Methyl(phenylmethyl)amino]ethyl]benzenemethanol (CAS 74681-55-3)
- (5-Amino-1-(o-tolyl)-1H-pyrazol-4-yl)(4-chlorophenyl)methanone (CAS 618091-80-8)
- 1-(2,6-Dichlorophenyl)cyclopentanecarboxylic Acid (CAS 1037131-01-3)
- Methyl 4-Chloroindole-3-acetate (CAS 19077-78-2)
- N-(3-Chloro-4-fluorophenyl)-2-cyanoacetamide (CAS 219529-31-4)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
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