4,7-Dichlorobenzo[b]thiophene CAS 318463-07-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318463-07-9 |
| Molecular Formula | C8H4Cl2S |
| Molecular Weight | 203.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,7-Dichlorobenzo[b]thiophene (CAS 318463-07-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H4Cl2S. Molecular weight: 203.09 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H4Cl2S |
| Molecular Weight | 203.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dichlorobenzo Standards
- 1,3-Dichlorobenzo[c]thiophene (CAS 136132-54-2)
- 3,6-Dichlorobenzo[b]thiophene (CAS 21211-21-2)
- 6,7-Dichlorobenzo[b]thiophene (CAS 439083-10-0)
- 5,7-Dichlorobenzo[d]isoxazol-3-amine (CAS 16263-60-8)
- 5,6-Dichlorobenzo[d]oxazol-2-amine (CAS 64037-12-3)
- 5,6-Dichlorobenzo[d]oxazol-2(3H)-one (CAS 5285-41-6)
- 5,7-Dichlorobenzo[c][1,2,5]oxadiazol-4-amine (CAS 330982-41-7)
- 5,7-Dichlorobenzo[d]isoxazol-3(2H)-one (CAS 66571-27-5)
Recommended Standards
- 2,5-Bis(trifluoromethyl)-1H-pyrrole (CAS 220072-95-7)
- 3,4-Difluoro-5-nitrobenzoic acid (CAS 1121583-51-4)
- 2,3-Dichloro-1-benzothiophene (CAS 5323-97-7)
- 4-(2,4-Difluorobenzyl)thiosemicarbazide (CAS 1247659-17-1)
- 1-Phenyl-5-(propan-2-yl)-1h-pyrazole-3-carboxylic acid (CAS 3191-87-5)
- 3-Fluoro-5-methoxy-2-nitrobenzonitrile (CAS 2167773-78-4)
- (2E)-2-Phenyl-N-(1H-1,2,3,4-tetrazol-5-yl)-3-(thiophen-2-yl)prop-2-enamide (CAS 478249-10-4)
- 5-Chloro-4-fluoro-1H-indole-3-carbaldehyde (CAS 1227597-57-0)
- (E)-1-(3,4-dihydroisoquinolin-2(1H)-yl)-4,4,5,5,5-pentafluoropent-1-en-3-one (CAS 692738-20-8)
- Tirzepatide Impurity 23 X TFA Salt (CAS CATO-C4X-324023)
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