Terbutaline EP impurity B CAS 94120-05-5
| CAS No. | 94120-05-5 |
| Molecular Formula | C13H19NO3 |
| Molecular Weight | 237.29 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Terbutaline EP impurity B.
Terbutaline EP impurity B (CAS 94120-05-5) is a certified pharmaceutical impurity reference standard with the molecular formula C13H19NO3 and a molecular weight of 237.29 g/mol.
Based on its molecular formula C13H19NO3, Terbutaline EP impurity B contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 237.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 Terbutaline EP impurity B 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 | C13H19NO3 |
| Molecular Weight | 237.29 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 1 |
Related Terbutaline Standards
- Terbutaline impound 95 (CAS CATO-C4X-118395)
- Terbutaline impurity 124 (CAS CATO-C4X-1183124)
- Terbutaline impurity 125 (CAS CATO-C4X-1183125)
- Terbutaline impurity 129 (CAS CATO-C4X-1183129)
- Terbutaline Impurity 60 (CAS 35086-59-0)
- Terbutaline Impurity 32 (CAS CATO-C4X-118332)
- Terbutaline impurity 87 (CAS CATO-C4X-118387)
- Terbutaline-d9 (CAS 1189658-09-0)
Recommended Standards
- Salbutamol Impurity S91 (CAS CATO-C4X-117691)
- Salbutamol Impurity 67 (CAS CATO-C4X-117667)
- Bisoprolol EP Impurity L(Metoprolol EP Impurity C) (CAS 29122-74-5)
- Milrinone Impurity 33 (CAS CATO-C4X-109133)
- Posaconazole impurity 224 (CAS CATO-C4X-1208224)
- Bendamustine Impurity 2 (CAS 109882-26-0)
- Sildenafil Impurity 16 (CAS 1971915-89-5)
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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