Terbutaline Impurity 5 CAS 21766-81-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 21766-81-4 |
| Molecular Formula | C22H20O3 |
| Molecular Weight | 332.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Terbutaline Impurity 5 (CAS 21766-81-4) pharmacopoeial impurity standards reference standard. Molecular formula: C22H20O3. Molecular weight: 332.39 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C22H20O3 |
| Molecular Weight | 332.39 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Terbutaline Standards
- Terbutaline Impurity N24 (CAS 27628-06-4)
- Terbutaline Impurity 12 (CAS 22877-01-6)
- Terbutaline Impurity 15 (CAS 3886-19-9)
- Terbutaline Impurity 22 (CAS 50841-47-9)
- Terbutaline Impurity 27 (CAS 147942-88-9)
- Terbutaline Impurity 35 (CAS 28924-21-2)
- Terbutaline Impurity 37 (CAS 28917-43-3)
- Terbutaline Impurity 88 (CAS CATO-C4X-118388)
Recommended Standards
- Loxoprofen Impurity 44 (CAS 1152440-23-7)
- Dexrazoxane Impurity 34 (CAS CATO-C4X-202034)
- Viloxazine Impurity 12 (CAS 3024393-81-2)
- Vonoprazan Impurity 174 (CAS CATO-C4X-1020174)
- Esmolol Impurity 44 (CAS CATO-C4X-189144)
- 3-(6-Amino-2-fluoro-9H-purin-9-yl)propane-1,2-diol (CAS 86626-06-4)
- 2-Amino-6-ethoxy-4-nitropyridine (CAS 42409-60-9)
- 2,2-Difluoro-2-[4-(trifluoromethyl)phenyl]acetic Acid (CAS 73790-11-1)
- N-methylhexamethyleneimine (CAS 1192-95-6)
- (Pro30,Tyr32,Leu34)-Neuropeptide Y (28-36) (CAS 161650-01-7)
Why CATO?
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