5-Methylbenzo[b]thiophen-3-amine CAS 1603004-16-5
| CAS No. | 1603004-16-5 |
| Molecular Formula | C9H9NS |
| Molecular Weight | 163.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Methylbenzo[b]thiophen-3-amine (CAS 1603004-16-5), molecular formula C9H9NS and molecular weight 163.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Methylbenzo[b]thiophen-3-amine (C9H9NS) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 163.24 g/mol, it falls into the medium-molecular-weight range. 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 5-Methylbenzo[b]thiophen-3-amine 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.) | 1993 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylbenzo Standards
- 6-Methylbenzo[b]thiophen-2-amine (CAS 1344156-52-0)
- N-Methylbenzo[b]thiophen-3-amine (CAS 1378800-59-9)
- 4-Methylbenzo[b]thiophen-2-amine (CAS 1493779-57-9)
- 5-Methylbenzo[b]thiophen-2-amine (CAS 1521695-30-6)
- 7-Methylbenzo[b]thiophen-2-amine (CAS 1540256-87-8)
- 4-Methylbenzo[b]thiophen-3-amine (CAS 1602944-43-3)
- 2-Methylbenzo[b]thiophen-3-amine (CAS 1821418-19-2)
- 7-Methylbenzo[b]thiophen-3-amine (CAS 1935908-32-9)
Recommended Standards
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- DL-β-Homomethionine (CAS 158570-14-0)
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- 4-Methyl-2-(thiophen-2-yl)-1H-pyrrole (CAS 157613-76-8)
- Deoxyepinephrine HCl (CAS 62-32-8)
- 2-(4-chlorophenyl)-2-(1H-imidazol-1-yl)ethan-1-amine dihydrochloride (CAS 1820740-72-4)
- 2-Mercapto-7-methyl-3-phenyl-5,6,7,8-tetrahydrobenzo-[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 299919-85-0)
- 5-Bromo-1-methyl-1H-pyrrole-2-carbaldehyde (CAS 204317-03-3)
- 4-(Pyridin-4-ylmethyl)isoquinolin-1(2H)-one (CAS 258851-18-2)
- Etoposide Impurity 37 (CAS CATO-C4X-202437)
- 3’,5’-Di-O-acetyl-5-fluoro-O4-(2,4,6-trimethylphenyl)-2’-deoxyuridine (CAS 141120-62-9)
- (1R*,4R*)-N1-(Tetrahydro-2H-pyran-4-yl)cyclohexane-1,4-diamine dihydrochloride (CAS 1286275-80-6)
- 2-Chloro-5-(chlorosulfonyl)benzoic acid (CAS 137-64-4)
- Peptide YY (human) trifluoroacetate salt (CAS 118997-30-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com