Dobutamine Impurity 4 CAS 104-20-1
| CAS No. | 104-20-1 |
| Molecular Formula | C11H14O2 |
| Molecular Weight | 178.23 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, Dobutamine Impurity 4 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 178.23 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Dobutamine Impurity 4 (CAS 104-20-1) is a certified pharmaceutical impurity reference standard with the molecular formula C11H14O2 and a molecular weight of 178.23 g/mol.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Dobutamine Impurity 4 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H14O2 |
| Molecular Weight | 178.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Dobutamine Standards
- Dobutamine Impurity 27 (CAS 93-17-4)
- Dobutamine Impurity 6 (CAS 67952-38-9)
- Dobutamine Impurity 26 (CAS 243139-71-1)
- Dobutamine Impurity 5 (CAS 69617-84-1)
- Dobutamine EP Impurity B (CAS 5471-51-2)
- Dobutamine Impurity 54 (CAS CATO-C4X-129854)
- Dobutamine Impurity 52 (CAS 1059182-81-8)
- (Z)-Dobutamine Impurity 21 (CAS CATO-C4X-129821)
Recommended Standards
- Dexmedetomidine Impurity 58 (CAS 104175-24-8)
- Loxoprofen Impurity 9 (CAS 79443-97-3)
- Febuxostat Impurity 34 (CAS 18962-07-7)
- Indobufen Impurity 49 (CAS CATO-C4X-179249)
- Belumosudil Impurity 48 (CAS CATO-C4X-298848)
- Mianserin impurity 41 (CAS CATO-C4X-136941)
- Rivaroxaban Impurity 123 (CAS CATO-C4X-1090123)
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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 18665070610 / Nicole.chen@cato-chem.com