| CAS No. | 34170-21-3 |
| Molecular Formula | C9H12N2OS |
| Molecular Weight | 196.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-(Methylthio)-5,6,7,8-tetrahydroquinazolin-4(3H)-one, 97%.
2-(Methylthio)-5,6,7,8-tetrahydroquinazolin-4(3H)-one, 97% (CAS 34170-21-3), molecular formula C9H12N2OS and molecular weight 196.27 g/mol, is a CATO reference standard with documented purity and traceability.
2-(Methylthio)-5,6,7,8-tetrahydroquinazolin-4(3H)-one, 97% (C9H12N2OS) 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. 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.
As a certified reference material (CRM), 2-(Methylthio)-5,6,7,8-tetrahydroquinazolin-4(3H)-one, 97% 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 | C9H12N2OS |
| Molecular Weight | 196.27 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |