4-(Methylthio)-1H-indole CAS 82173-74-8
| CAS No. | 82173-74-8 |
| Molecular Formula | C9H9NS |
| Molecular Weight | 163.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(Methylthio)-1H-indole (CAS 82173-74-8), molecular formula C9H9NS and molecular weight 163.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H9NS, 4-(Methylthio)-1H-indole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 163.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 4-(Methylthio)-1H-indole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H9NS |
| Molecular Weight | 163.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylthio Standards
- 2-Methyl-4-(methylthio)benzonitrile (CAS 1190948-25-4)
- 2-(Methylthio)indolizine (CAS 123471-47-6)
- Methyl (2-(methylthio)ethyl)glycinate (CAS 1339480-41-9)
- 3-((2-(Methylthio)ethyl)amino)propanoic acid (CAS 1343812-74-7)
- 2-(2-(Methylthio)phenyl)acetonitrile (CAS 27356-30-5)
- 3-(Methylthio)-1H-indole (CAS 40015-10-9)
- 7-(Methylthio)-1H-indole (CAS 936902-07-7)
- 5-(methylthio)-1H-indole 5-Methylthio-indole 77248-65-8 A12888 (CAS 77248-65-8)
Recommended Standards
- 4-(Methylsulfonyl)piperidine (CAS 290328-55-1)
- 4,5,6,7-Tetrahydrobenzo[b]thiophene-2-carbonitrile (CAS 57021-54-2)
- 4-(Methylamino)tetrahydro-2H-thiopyran 1,1-dioxide (CAS 863248-54-8)
- 4,5,6,7-Tetrahydrobenzo[b]thiophene-3-carbonitrile (CAS 95461-20-4)
- (1-(Piperidin-4-yl)-1H-1,2,3-triazol-4-yl)(pyrrolidin-1-yl)methanone (CAS 1479610-63-3)
- 2,3-Dihydro-1H-pyrrolo[1,2-a]indol-1-one (CAS 1421-17-6)
- (R)-1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-3-carboxylic acid (CAS 193693-67-3)
- 2-Chloro-6-fluoro-N-methoxy-N-methylbenzamide (CAS 1339010-08-0)
- 2-(3-Aminoazetidin-1-yl)-1-(4-methylpiperidin-1-yl)ethan-1-one (CAS 1487896-26-3)
- Tert-butyl (R)-3-(2-aminoethyl)morpholine-4-carboxylate (CAS 2165569-04-8)
- 7-Ethoxyquinoline-4(1H)-thione (CAS 178984-15-1)
- 4-Amino-6-ethylquinoline-3-carboxylic acid (CAS 1242260-53-2)
- N-(4,5-Dichloro-2-nitrophenyl)acetamide (CAS 5462-30-6)
- Hexapeptide-9 (CAS 1228371-11-6)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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