| CAS No. | 691858-08-9 |
| Molecular Formula | C23H28N4O2S |
| Molecular Weight | 424.56 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 3-Cycloheptyl-6,7-dimethoxy-2-((pyridin-3-ylmethyl)thio)quinazolin-4(3H)-imine.
3-Cycloheptyl-6,7-dimethoxy-2-((pyridin-3-ylmethyl)thio)quinazolin-4(3H)-imine (CAS 691858-08-9), molecular formula C23H28N4O2S and molecular weight 424.56 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Cycloheptyl-6,7-dimethoxy-2-((pyridin-3-ylmethyl)thio)quinazolin-4(3H)-imine (C23H28N4O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 424.56 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-Cycloheptyl-6,7-dimethoxy-2-((pyridin-3-ylmethyl)thio)quinazolin-4(3H)-imine 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.
| Molecular Formula | C23H28N4O2S |
| Molecular Weight | 424.56 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |