4-[(4-Chlorophenyl)sulfanyl]-5H-pyrimido[5,4-b]indole CAS 320420-19-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 320420-19-7 |
| Molecular Formula | C16H10ClN3S |
| Molecular Weight | 311.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[(4-Chlorophenyl)sulfanyl]-5H-pyrimido[5,4-b]indole (CAS 320420-19-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H10ClN3S. Molecular weight: 311.79 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H10ClN3S |
| Molecular Weight | 311.79 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-(3-Chloro-4-fluorophenyl)-5-(thiophen-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione (CAS 477334-48-8)
- 4-Chloro-N-(4-formylpiperazine-1-carbonothioyl)benzamide (CAS 497060-71-6)
- 3-(5-Amino-4-(4-chlorophenyl)-1H-pyrazol-1-yl)tetrahydrothiophene 1,1-dioxide (CAS 321574-17-8)
- 3-[(4-Fluorophenyl)(hydroxy)methyl]phenol (CAS 1514332-73-0)
- 7-Chloro-5-methyl-3-phenylpyrazolo[1,5-a]pyrimidine (CAS 58347-51-6)
- Methyl 2,6-dimethyl-1-oxaspiro[2.5]octane-2-carboxylate (CAS 78258-29-4)
- 3-(2-Bromoacetyl)thiophene-2-sulfonamide (CAS 154127-28-3)
- Lenalidomide Impurity 19 (CAS 366452-97-3)
- (2,3-Difluoro-6-methoxy-4-methylphenyl)(methyl)sulfane (CAS 2624416-84-6)
- Tau Peptide (337-368) (Repeat 4 Domain) trifluoroacetate salt (CAS 330456-27-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com