| CAS No. | 175135-07-6 |
| Molecular Formula | C9H8N2OS |
| Molecular Weight | 192.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Benzo[b]thiophene-2-carboxylic hydrazide (CAS 175135-07-6), molecular formula C9H8N2OS and molecular weight 192.24 g/mol, is a CATO reference standard with documented purity and traceability.
Benzo[b]thiophene-2-carboxylic hydrazide (C9H8N2OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; 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.
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.
As a certified reference material (CRM), Benzo[b]thiophene-2-carboxylic hydrazide 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.
| Molecular Formula | C9H8N2OS |
| Molecular Weight | 192.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |