Siponimod Impurity 4 CAS 1589558-70-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1589558-70-2 |
| Molecular Formula | C14H19BrO2 |
| Molecular Weight | 299.20 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Siponimod Impurity 4 (CAS 1589558-70-2) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C14H19BrO2. Molecular weight: 299.20 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C14H19BrO2 |
| Molecular Weight | 299.20 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Br-containing |
Related Siponimod Standards
- Siponimod impurity 18 (CAS CATO-C4X-247218)
- Siponimod Impurity 6 (CAS 2305339-74-4)
- Siponimod Impurity 31 (CAS CATO-C4X-247231)
- Siponimod impurity 24 (CAS CATO-C4X-247224)
- Siponimod Impurity 2 (CAS 957202-29-8)
- Siponimod Impurity 3 (CAS 916806-97-8)
- Siponimod Impurity 7 (CAS 877131-37-8)
- Siponimod impurity 16 (CAS CATO-C4X-247216)
Recommended Standards
- 5-Methyl-7-(perfluoroethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 712319-11-4)
- 1-Acetyl-4-nitro-3-phenyl-5-(trifluoromethyl)-1H-pyrazole (CAS 1017793-90-6)
- 3-Bromo-4-heptylbenzoic acid (CAS 81719-19-9)
- Sertraline Impurity 43 (CAS 79836-76-3)
- Dienogest EP Impurity H (CAS 16669-06-0)
- OTSSP167 hydrochloride (CAS 1431698-10-0)
- 4-(Difluoromethyl)-2-methylpyrimidine-5-carboxamide (CAS 1713713-51-9)
- (2,4-Dichlorobenzoyl) 2,4-dichlorobenzoate (CAS 51417-52-8)
- 4-(benzyloxy)-1H-1,3-benzodiazole (CAS 116345-20-1)
- [a-Glu](Side chain transposition)- Semaglutide (CAS CATO-C4X-2226111)
Why CATO?
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