Brimonidine EP Impurity D CAS 842138-74-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 842138-74-3 |
| Molecular Formula | C9H7BrN4S |
| Molecular Weight | 283.15 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Brimonidine EP Impurity D (CAS 842138-74-3), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H7BrN4S. Molecular weight: 283.15 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H7BrN4S |
| Molecular Weight | 283.15 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Brimonidine Standards
- Brimonidine Impurity 20 (CAS 1217439-05-8)
- Brimonidine EP Impurity F (CAS 151110-15-5)
- Brimonidine (CAS 59803-98-4)
- Brimonidine Impurity 17 (CAS 134862-75-2)
- Brimonidine-D4 (CAS 1184971-51-4)
- Brimonidine Impurity 13 (CAS 134892-42-5)
- Brimonidine Impurity 42 (CAS CATO-C4X-156642)
- Brimonidine Impurity 22 (CAS 134892-46-9)
Recommended Standards
- Ornidazole Impurity 105 (CAS CATO-C4X-1331105)
- Ethyl 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole-2-carboxylate (CAS 2223029-34-1)
- n-(3-Bromophenyl)piperidine-4-carboxamide (CAS 1016503-28-8)
- Diosmin Impurity N5 (CAS 122087-66-5)
- Ticagrelor Impurity 179 (CAS CATO-C4X-1093179)
- 3-(1H-[1,2,4]Triazole-3-sulfonyl)-propionic acid (CAS 1019150-56-1)
- 5-(Bromomethyl)-3-(propan-2-yl)-1,3-oxazolidin-2-one (CAS 78723-67-8)
- (R)-2-(2,3-dichlorophenyl)pyrrolidine (CAS 1228561-35-0)
- [(1-ethyl-1H-pyrrol-3-yl)methyl](methyl)amine hydrochloride (CAS 1798732-83-8)
- Delicious Peptide (bovine) (CAS 73984-05-1)
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