Sitafloxacin Impurity 49 CAS 129306-06-5
| CAS No. | 129306-06-5 |
| Molecular Formula | C13H14N2O2 |
| Molecular Weight | 230.26 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Sitafloxacin Impurity 49 (C13H14N2O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 230.26 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies Sitafloxacin Impurity 49 (CAS 129306-06-5), a pharmacopoeial impurity reference standard (molecular formula C13H14N2O2, MW 230.26 g/mol) used for the identification and quantification of trace impurities in APIs.
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 Sitafloxacin Impurity 49 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 | C13H14N2O2 |
| Molecular Weight | 230.26 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 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 2 |
Related Sitafloxacin Standards
- Sitafloxacin Impurity 19 (CAS CATO-C4X-115519)
- Sitafloxacin Impurity 16 (CAS 98349-24-7)
- Sitafloxacin impurity 53 (CAS 1933694-45-1)
- (7R)-Sitafloxacin Impurity 13 (CAS 127199-44-4)
- (7S)-Sitafloxacin Impurity N11 (CAS 127199-45-5)
- Sitafloxacin Impurity 15 (CAS CATO-C4X-115515)
- Sitafloxacin impurity 84 (CAS 1533823-99-2)
- Sitafloxacin Impurity 40 (CAS 144282-35-9)
Recommended Standards
- Sorafenib Impurity 45 (CAS 46843-47-4)
- Bisoprolol Impurity 56 (CAS 145059-66-1)
- Edaravone impurity 32 (CAS 852539-02-7)
- Bisoprolol Impurity 93 (CAS 2350-43-8)
- Imatinib Impurity 11 (CAS CATO-C4X-106811)
- Urapidil Impurity 36 (CAS 5770-44-5)
- Opicapone impurity 63 (CAS CATO-C4X-240463)
- 1-Phenylisoquinolin-3(2H)-one (CAS 23832-72-6)
- Roflumilast impurity 23 (CAS 1369817-76-4)
- N-Cyclopentyl-9H-purin-6-amine (CAS 103626-36-4)
- 2-Cyanoethyl Carbamimidothioate (CAS 57536-15-9)
- 2-(2-Isopropylphenoxy)propanoic acid (CAS 161790-37-0)
- 2-(2-Bromo-4-methoxyphenoxy)acetonitrile (CAS 951918-37-9)
- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
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