Sumatriptan EP Impurity B CAS 88919-51-1
Purity 90+In StockPharmacopoeial Impurity Standards
| CAS No. | 88919-51-1 |
| Molecular Formula | C13H19N3O2S |
| Molecular Weight | 281.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Sumatriptan EP Impurity B (CAS 88919-51-1) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H19N3O2S. Molecular weight: 281.37 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H19N3O2S |
| Molecular Weight | 281.37 g/mol |
| Purity | 90+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Sumatriptan Standards
- Sumatriptan Impurity 17 (CAS 88919-50-0)
- Sumatriptan Carboxylic Acid Impurity (CAS 103628-44-0)
- Sumatriptan EP Impurity F (CAS 2074615-63-5)
- Sumatriptan EP Impurity B-d3 (CAS 1346600-79-0)
- Sumatriptan EP Impurity G (CAS 2074614-56-3)
- Sumatriptan EP Impurity E (CAS 88919-22-6)
- Sumatriptan (CAS 103628-46-2)
- Sumatriptan cyanomethyl impurity, 98% (CAS 88918-76-7)
Recommended Standards
- Pramipexole Di-Amide (CAS 1346617-47-7)
- Bis(4-methylphenyl)-4h-1,2,4-triazole-3-thiol (CAS 101285-56-7)
- N-Desmethyl Desvenlafaxine-D3 N-nitroso (CAS CATO-C4X-143466)
- Ilaprazole Impurity N2 (CAS 1018229-57-6)
- Sitafloxacin impurity 58 (CAS CATO-C4X-115558)
- 1,4-Bis(6,7-dihydro-[1,4]dioxino[2',3':4,5]benzo[1,2-d]thiazol-2-yl)piperazine (CAS 863001-69-8)
- N-methyl-2-(5-(p-tolyl)-1,2,4-oxadiazol-3-yl)ethan-1-amine hydrochloride (CAS 1160245-43-1)
- 4,6-Dimethyl-3-phenyl-3a,7a-dihydro-1H-pyrazolo[3,4-b]pyridine (CAS 797808-55-0)
- (S,S)-(COD)Ir[Ph-SpinPHOX] (CAS 1194050-21-9)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
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