Brexpiprazole Impurity 18 CAS 66490-33-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 66490-33-3 |
| Molecular Formula | C8H5ClS |
| Molecular Weight | 168.64 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Brexpiprazole Impurity 18 (CAS 66490-33-3), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H5ClS. Molecular weight: 168.64 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H5ClS |
| Molecular Weight | 168.64 g/mol |
| Purity | >95% |
| 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.) | 1975 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Brexpiprazole Standards
- Brexpiprazole impurity 108 (CAS 17082-09-6)
- Brexpiprazole Impurity 53 (CAS 102-92-1)
- Brexpiprazole Impurity 70 (CAS 6940-78-9)
- Brexpiprazole Impurity 89 (CAS 15450-69-8)
- Brexpiprazole Impurity 15 (CAS 31570-97-5)
- Brexpiprazole Impurity 4 (CAS 70500-72-0)
- Brexpiprazole impurity 121 (CAS CATO-C4X-1131121)
- Brexpiprazole Impurity 152 (CAS 1602255-57-1)
Recommended Standards
- 26394-17-2 Cyclopentanesulfonyl chloride cyclopentanesulphonyl chloride (CAS 26394-17-2)
- 1-(Chloromethyl)-2,4,5-trimethylbenzene (CAS 10340-77-9)
- Ethyl 2-chloro-2-(methylthio)acetate (CAS 56078-31-0)
- Apalutamide impurity 91 (CAS CATO-C4X-274991)
- Finerenone Impurity 198 (CAS 1097097-47-6)
- (2R,3S,4S,5S,6R)-2-(((2R,3S,4S,5R,6R)-3,5-dihydroxy-2-(4-nitrophenoxy)-6-((((2S,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-4-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (CAS 443346-78-9)
- 5-Phenylpent-2-ynoic acid (CAS 3350-93-4)
- 4-((Cyclopentyloxy)methyl)-3-fluorobenzaldehyde (CAS 1443346-04-0)
- 5-Cyano-1-methyl-1H-imidazole-4-carboxylic acid (CAS 146091-78-3)
- D-Pro31-Tirzepatide (CAS CATO-CPTD788905)
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