Terbutaline Impurity 9 CAS 81732-54-9
| CAS No. | 81732-54-9 |
| Molecular Formula | C15H14O3 |
| Molecular Weight | 242.27 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 Impurity 9.
Terbutaline Impurity 9 (CAS 81732-54-9) is a certified pharmaceutical impurity reference standard with the molecular formula C15H14O3 and a molecular weight of 242.27 g/mol.
Terbutaline Impurity 9 (C15H14O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
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 Impurity 9 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 | C15H14O3 |
| Molecular Weight | 242.27 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
Related Terbutaline Standards
- Terbutaline Impurity 33 (CAS 1428441-56-8)
- Terbutaline Impurity 64 (CAS CATO-C4X-118364)
- Terbutaline (CAS CATO-C4X-1183136)
- Terbutaline impurity 87 (CAS CATO-C4X-118387)
- Terbutaline Impurity 32 (CAS CATO-C4X-118332)
- Terbutaline EP impurity B (CAS 94120-05-5)
- Terbutaline impound 95 (CAS CATO-C4X-118395)
- Terbutaline impurity 124 (CAS CATO-C4X-1183124)
Recommended Standards
- Carbamazepine Impurity 31 (CAS CATO-C4X-118131)
- Piracetam Impurity 19 (CAS CATO-C4X-123519)
- Linezolid Impurity 36 (CAS 3459-92-5)
- Telmisartan impurity 74 (CAS CATO-C4X-135974)
- Indobufen Impurity 93 (CAS CATO-C4X-179293)
- Edoxaban Impurity 26 (CAS 1255529-27-1)
- Dotinurad Impurity 137 (CAS 63001-37-6)
- 2-{[5-benzyl-4-(prop-2-en-1-yl)-4h-1,2,4-triazol-3-yl]sulfanyl}acetic acid (CAS 56929-54-5)
- 7-Chloro-N-{[3-(trifluoromethyl)phenyl]methyl}quinazolin-4-amine (CAS 477861-91-9)
- ((1R,2R)-2-(2-isobutoxyphenyl)cyclopropyl)methanamine hydrochloride (CAS 1344119-14-7)
- 3-(4-chlorophenyl)pyrazolo[1,5-a]pyrimidin-6-amine (CAS 932236-53-8)
- Ethyl 5-oxodecanoate (CAS 93919-00-7)
- Ceritinib Impurity 5 (CAS CATO-C4X-10485)
- Biotinyl-Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 1816258-36-2)
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