8-Methyl-N'-(thiophene-2-carbonyl)-8H-thieno[2,3-b]indole-2-carbohydrazide CAS 477855-86-0
| CAS No. | 477855-86-0 |
| Molecular Formula | C17H13N3O2S2 |
| Molecular Weight | 355.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C17H13N3O2S2, 8-Methyl-N'-(thiophene-2-carbonyl)-8H-thieno[2,3-b]indole-2-carbohydrazide contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 355.43 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).
8-Methyl-N'-(thiophene-2-carbonyl)-8H-thieno[2,3-b]indole-2-carbohydrazide (CAS 477855-86-0), molecular formula C17H13N3O2S2 and molecular weight 355.43 g/mol, is a CATO reference standard with documented purity and traceability.
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 8-Methyl-N'-(thiophene-2-carbonyl)-8H-thieno[2,3-b]indole-2-carbohydrazide 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 | C17H13N3O2S2 |
| Molecular Weight | 355.43 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Recommended Standards
- 6-(4-Methoxyphenyl)-4-phenyl-2-(pyrrolidin-1-yl)nicotinonitrile (CAS 488863-03-2)
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- 5-{[4-(4-tert-Butylphenoxy)phenyl]-amino}-5-oxopentanoic acid (CAS 356089-70-8)
- Ethyl 3-(morpholinosulfonyl)benzo[b]thiophene-2-carboxylate (CAS 941962-21-6)
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- 3-Amino-4H-chromen-4-one (CAS 59507-94-7)
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- Ethyl 2,2-dihydroxyacetate (CAS 64805-08-9)
- Brivudine Impurity 9 (CAS 59864-10-7)
- 3-Amino-3-methylpentanoic acid (CAS 160799-14-4)
- 3-(4-Methyl-1h-pyrazol-1-yl)butanenitrile (CAS 1006348-66-8)
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- 2-((2-(Azepan-1-yl)-6-methylpyrimidin-4-yl)oxy)-N-(4-(methylthio)benzyl)acetamide (CAS 1031993-05-1)
- Insulin Degludec Impurity 26 (CAS CATO-C4X-215726)
Why CATO?
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