Pimobendan EP Impurity B CAS 74149-74-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 74149-74-9 |
| Molecular Formula | C19H20N4O3 |
| Molecular Weight | 352.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Pimobendan EP Impurity B (CAS 74149-74-9) pharmacopoeial impurity standards reference standard. Molecular formula: C19H20N4O3. Molecular weight: 352.39 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H20N4O3 |
| Molecular Weight | 352.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 4 |
Related Pimobendan Standards
- Pimobendan EP Impurity B (CAS CATO-C4X-246111)
- Pimobendan EP Impurity A (CAS CATO-C4X-246110)
- Pimobendan Impurity 2 (CAS 2138391-23-6)
- Pimobendan Impurity 4 (CAS 77469-62-6)
- Pimobendan Impurity 7 (CAS CATO-C4X-24617)
- Pimobendan Impurity 15-d3 (CAS CATO-C4X-246116)
- Pimobendan Impurity 14-d3 (CAS CATO-C4X-246117)
- i-Pimobendan (CAS 118428-37-8)
Recommended Standards
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- Cefixime Impurity 15 (CAS CATO-C4X-113915)
- Daptomycin Impurity 5 (CAS CATO-C4X-13785)
- 4-Amino-3-(1-naphthylmethyl)-1H-pyrazolo[3,4-d]pyrimidine-1-(β-D-ribofuranosyl-5-triphosphate) (CAS 476371-81-0)
- (3aR,5S,6aR)-2,2-Dimethyl-5-((S)-oxiran-2-yl)tetrahydrofuro[2,3-d][1,3]dioxole (CAS 20720-51-8)
- O-(but-3-en-1-yl)hydroxylamine (CAS 128080-06-8)
- (S)-N,N-Diethyl-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine (CAS 625090-96-2)
- Semaglutide impurity 201 (CAS CATO-C4X-2226201)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com