3-Cycloheptyl-6,7-dimethoxy-2-((pyridin-3-ylmethyl)thio)quinazolin-4(3H)-imine CAS 691858-08-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 691858-08-9 |
| Molecular Formula | C23H28N4O2S |
| Molecular Weight | 424.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Cycloheptyl-6,7-dimethoxy-2-((pyridin-3-ylmethyl)thio)quinazolin-4(3H)-imine (CAS 691858-08-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C23H28N4O2S. Molecular weight: 424.56 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| 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 |
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Recommended Standards
- Biotin impurity 01 (CAS 33607-60-2)
- Methyl 2-((2-(allylthio)benzo[4,5]thieno[3,2-d]pyrimidin-4-yl)thio)benzoate (CAS 478030-03-4)
- (3aR,7aR)-1,3-Bis(2,4,6-trimethylbenzyl)octahydro-1H-benzo[d][1,3,2]diazaphosphole 2-oxide (CAS 2648048-91-1)
- 1-Bromonaphthalen-2-amine hydrochloride (CAS 80413-60-1)
- tert-Butyl 8-fluoro-2,6-diazaspiro[3.4]octane-2-carboxylate (CAS 2768872-81-5)
- 5-Bromo-2-((methylsulfonyl)methyl)pyridine (CAS 1352754-05-2)
- Methyl (2Z)-3-[(4-ethylphenyl)amino]-2-(4-methoxybenzenesulfonyl)prop-2-enoate (CAS 1327168-10-4)
- 2-Chloro-6-methoxyaniline (CAS 158966-62-2)
- 3-(Ethoxycarbonyl)-4-phenylbut-3-enoic acid (CAS 116129-86-3)
- Semaglutide impurity 103 (CAS 1446013-07-5)
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