14-(4-Chlorophenyl)-14H-benzo[7,8]chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2(3H)-thione CAS 1243382-80-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1243382-80-0 |
| Molecular Formula | C22H13ClN4OS |
| Molecular Weight | 416.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
14-(4-Chlorophenyl)-14H-benzo[7,8]chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2(3H)-thione (CAS 1243382-80-0), molecular formula C22H13ClN4OS and molecular weight 416.88 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C22H13ClN4OS, 14-(4-Chlorophenyl)-14H-benzo[7,8]chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2(3H)-thione contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 416.88 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 14-(4-Chlorophenyl)-14H-benzo[7,8]chromeno[3,2-e][1,2,4]triazolo[1,5-c]pyrimidine-2(3H)-thione 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.
Physical & Chemical Properties
| Molecular Formula | C22H13ClN4OS |
| Molecular Weight | 416.88 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 1-(3-{[5-(2-chlorophenoxymethyl)-1,3,4-oxadiazol-2-yl]sulfanyl}propyl)-2,3-dihydro-1H-1,3-benzodiazol-2-one (CAS 949847-41-0)
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- 4-(3-Methoxybenzoyl)-N-((tetrahydrofuran-2-yl)methyl)-1H-pyrrole-2-carboxamide (CAS 478078-91-0)
- Methyl 7-amino-3-methylthieno[2,3-b]pyrazine-6-carboxylate (CAS 2123445-29-2)
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