Formoterol Impurity I CAS 169375-55-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 169375-55-7 |
| Molecular Formula | C19H24N2O4 C4H4O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Formoterol Impurity I (CAS 169375-55-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H24N2O4 C4H4O4. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H24N2O4 C4H4O4 |
| Molecular Weight | 460.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Nitrogen Atoms | 2 |
Related Formoterol Standards
- Formoterol Impurity 69 (CAS 100865-09-6)
- Formoterol-d6(Mixture of Diastereomers) (CAS 1020719-45-2)
- Formoterol Impurity 22 HCl (CAS 1049695-95-5)
- Formoterol Impurity 72 (CAS 108971-53-5)
- Formoterol EP Impurity B (CAS 1224588-66-2)
- Formoterol Impurity 19 (CAS 126002-14-0)
- Formoterol Impurity 28 (CAS 126587-86-8)
- Formoterol (Mixture of Diastereomers) (CAS 128954-45-0)
Recommended Standards
- 3-Methyl-N-(1-(thiazol-2-yl)ethyl)aniline (CAS 1481963-80-7)
- (R)-N-(cyclopropyl(4-nitrophenyl)(oxo)-lambda6-sulfanylidene)-2,2,2-trifluoroacetamide (CAS 1365544-25-7)
- 4-((4-Methylthiazol-2-yl)amino)-4-oxobut-2-enoic acid (CAS 42574-75-4)
- Ethyl 1H-pyrrolo[2,3-b]pyridine-3-carboxylate (CAS 1195622-96-8)
- Ethyl 3,5-dibromo-4-nitrobenzoate (CAS 40587-64-2)
- 2-Chloro-n-[2-(1-phenyl-1h-pyrazol-4-yl)ethyl]acetamide (CAS 1269151-14-5)
- (D-Tyr1,N-Me-Phe3)-Neuropeptide FF (H-4752.0001) (CAS 145274-93-7)
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 13829788188 / jacky.chen@cato-chem.com