Tulobuterol Impurity N7 CAS 179749-59-8
| CAS No. | 179749-59-8 |
| Molecular Formula | C8H7Br2ClO |
| Molecular Weight | 314.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of Tulobuterol Impurity N7 (C8H7Br2ClO) is characterized by a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies Tulobuterol Impurity N7 (CAS 179749-59-8), a pharmacopoeial impurity reference standard (molecular formula C8H7Br2ClO, MW 314.41 g/mol) used for the identification and quantification of trace impurities in APIs.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Tulobuterol Impurity N7 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 | C8H7Br2ClO |
| Molecular Weight | 314.41 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2008 |
| Halogen Content | Cl/Br-containing |
Related Tulobuterol Standards
- Tulobuterol impurity 24 (CAS 25847-29-4)
- Tulobuterol Impurity N6 (CAS 34356-83-7)
- Tulobuterol Impurity 7 (CAS CATO-C4X-21347)
- Tulobuterol Impurity 35 (CAS 1597775-10-4)
- Tulobuterol Impurity 25 (CAS CATO-C4X-213425)
- Tulobuterol Impurity 27 (CAS CATO-C4X-213427)
- Tulobuterol Impurity 22 (CAS 5639-00-9)
- Tulobuterol Impurity 15 (CAS CATO-C4X-213415)
Recommended Standards
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- Bepotastine Impurity 11 (CAS 1039957-36-2)
- Tegoprazan Impurity 97 (CAS CATO-C4X-229797)
- Flunarizine impurity 54 (CAS 394202-45-2)
- 4,4’,4’’-Nitrilotribenzoic Acid (CAS 118996-38-6)
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- Methyl 3-hydroxy-8-(trifluoromethyl)quinoline-4-carboxylate (CAS 924633-56-7)
- YM-53601 (CAS 182959-33-7)
- 2-(2-Fluoro-5-methoxyphenoxy)acetic acid (CAS 1707400-36-9)
- Neuropeptide Y (13-36) (porcine) (CAS 113662-54-7)
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