Terbutaline impurity 96 CAS CATO-C4X-118396
| CAS No. | CATO-C4X-118396 |
| Molecular Formula | C28H24O3 |
| Molecular Weight | 408.49 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C28H24O3, Terbutaline impurity 96 contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 408.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Terbutaline impurity 96 (CAS CATO-C4X-118396) is a certified pharmaceutical impurity reference standard with the molecular formula C28H24O3 and a molecular weight of 408.49 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C28H24O3 |
| Molecular Weight | 408.49 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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 |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Terbutaline Standards
- Terbutaline impurity 102 (CAS CATO-C4X-1183102)
- Terbutaline impurity 103 (CAS CATO-C4X-1183103)
- Terbutaline Impurity 34 (CAS 28924-18-7)
- Terbutaline Impurity 47 (CAS CATO-C4X-118347)
- Terbutaline impurity 97 (CAS CATO-C4X-118397)
- Terbutaline impurity 98 (CAS CATO-C4X-118398)
- Terbutaline impurity 99 (CAS 27628-05-3)
- Terbutaline Impurity 21 (CAS CATO-C4X-118321)
Recommended Standards
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- Loxoprofen impurity 128 (CAS CATO-C4X-1488128)
- Daptomycin Impurity 30 (CAS CATO-C4X-137830)
- Abiraterone Impurity 60 (CAS 1868064-51-0)
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- L-Cysteine hydrate (CAS 39665-15-1)
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