Ceftolozane Impurity 41 CAS CATO-C4X-240641
| CAS No. | CATO-C4X-240641 |
| Molecular Formula | C16H18N6O8S2 |
| Molecular Weight | 486.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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 supplies Ceftolozane Impurity 41 (CAS CATO-C4X-240641), a pharmacopoeial impurity reference standard (molecular formula C16H18N6O8S2, MW 486.48 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, Ceftolozane Impurity 41 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 486.48 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H18N6O8S2 |
| Molecular Weight | 486.48 g/mol |
| Purity | ≥95% |
| 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 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 2 |
Related Ceftolozane Standards
- Ceftolozane Impurity 33 (CAS CATO-C4X-240633)
- Ceftolozane impurity 3 (CAS 1956303-47-1)
- Ceftolozane Impurity 40 (CAS CATO-C4X-240640)
- Ceftolozane Impurity 16 (CAS CATO-C4X-240616)
- Ceftolozane Impurity 36 (CAS CATO-C4X-240636)
- Ceftolozane Impurity 15 (CAS CATO-C4X-240615)
- Ceftolozane Impurity 25 (CAS CATO-C4X-240625)
- Ceftolozane Impurity 26 (CAS CATO-C4X-240626)
Recommended Standards
- 3-(((2,6-Dichlorobenzyl)thio)methyl)-5-((4-methylbenzyl)thio)-4-phenyl-4H-1,2,4-triazole (CAS 344271-41-6)
- Etrasimod Impurity 12 (CAS CATO-C4X-321412)
- 3-(((2,4-Dichlorobenzyl)thio)methyl)-5-((4-methylbenzyl)thio)-4-phenyl-4H-1,2,4-triazole (CAS 344274-60-8)
- (R)-2-Acetamido-N-((2R,3R,4R,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-(((1S,2R,3R,4S,5S,6R)-2,3,4,5,6-pentahydroxycyclohexyl)oxy)tetrahydro-2H-pyran-3-yl)-3-mercaptopropanamide (CAS 192126-76-4)
- Rosuvastatin Impurity 42 (CAS 851443-04-4)
- Sildenafil EP Impurity B (CAS 1094598-75-0)
- Atorvastatin Impurity 72 (CAS CATO-C4X-113272)
- n,n-Diethyl-3-(5-mercapto-4-(2,4,4-trimethylpentan-2-yl)-4h-1,2,4-triazol-3-yl)benzenesulfonamide (CAS 522606-43-5)
- n1,n1,2,2-Tetramethyl-n3-(pentan-3-yl)propane-1,3-diamine (CAS 1019609-65-4)
- Samarium(III) Sulfate Octahydrate (CAS 13465-58-2)
- (S)-2-(2,4-Dichlorobenzyl)piperazine (CAS 1240586-49-5)
- 4-Aminobutane-1-thiol hydrochloride (CAS 31098-39-2)
- 4,4,5,5-Tetramethyl-2-(thiophen-2-ylmethyl)-1,3,2-dioxaborolane (CAS 1638933-18-2)
- Gastrin Tetrapeptide (CAS 1947-37-1)
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