Bifendate Impurity A CAS 1181519-47-0
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1181519-47-0 |
| Molecular Formula | C21H19N5O2S |
| Molecular Weight | 405.47 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Bifendate Impurity A (CAS 1181519-47-0) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C21H19N5O2S. Molecular weight: 405.47 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C21H19N5O2S |
| Molecular Weight | 405.47 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Bifendate Standards
- Bifendate Impurity N2 (CAS 205117-47-1)
- Bifendate Impurity 7 (CAS CATO-C4X-25557)
- Bifendate (CAS 73536-69-3)
- Bifendate Dicarboxylic Acid (CAS 105868-34-6)
- Bifendate impurity 10 (CAS CATO-C4X-255510)
- Bifendate Impurity N1 (CAS 128142-41-6)
- Bifendate Impurity 5 (CAS CATO-C4X-25555)
- Bifendate Impurity N3 (CAS 79279-08-6)
Recommended Standards
- N-(6-(4-Methylphenylsulfonamido)acridin-3-yl)acetamide (CAS 113110-49-9)
- Fmoc-(4-aminophenylthio)acetic acid (CAS 1185301-10-3)
- N-[(3-Methoxyphenyl)methyl]-2-{4-oxo-7-phenyl-3H,4H-thieno[3,2-d]pyrimidin-3-yl}acetamide (CAS 1105234-91-0)
- Xanomeline impurity 24 (CAS CATO-C4X-330124)
- Furosemide Impurity 54 (CAS 33069-75-9)
- (S)-1-(3-chloro-4-methylphenyl)-2-methylpropan-1-amine (CAS 1213620-96-2)
- Methyl 4-butyl-3-iodobenzoate (CAS 1131588-18-5)
- Brivaracetam Impurity 74 (CAS CATO-C4X-200774)
- Loxoprofen Impurity 44 (CAS 1152440-23-7)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com