Lurbinectedin Impurity 17 CAS 2248127-63-9
| CAS No. | 2248127-63-9 |
| Molecular Formula | C41H45N5O9S |
| Molecular Weight | 783.89 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies Lurbinectedin Impurity 17 (CAS 2248127-63-9), a pharmacopoeial impurity reference standard (molecular formula C41H45N5O9S, MW 783.89 g/mol) used for the identification and quantification of trace impurities in APIs.
Structurally, Lurbinectedin Impurity 17 (C41H45N5O9S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 22.0, corresponding to approximately 22 ring(s) or double-bond equivalent(s). With a molecular weight of 783.89 g/mol, it falls into the high-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.
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.
Physical & Chemical Properties
| Molecular Formula | C41H45N5O9S |
| Molecular Weight | 783.89 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) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Lurbinectedin Standards
- Lurbinectedin Impurity 15 (CAS 2248127-59-3)
- Lurbinectedin (CAS 497871-47-3)
- Lurbinectedin Impurity 27 (CAS 2749898-64-2)
- Lurbinectedin Impurity 35 (CAS CATO-C4X-311435)
- Lurbinectedin Impurity 37 (CAS CATO-C4X-311437)
- Lurbinectedin Impurity 16 (CAS 497871-81-5)
- Lurbinectedin Impurity 10 (CAS CATO-C4X-311410)
- Lurbinectedin Impurity 2 (CAS 497871-10-0)
Recommended Standards
- α-Casein (90-95) (CAS 83471-50-5)
- Rifaximin EP Impurity G (CAS 80621-76-7)
- 1-(9H-Fluoren-9-ylmethyl) (3S)-3-carboxy-25-[(3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl]-5,21-dioxo-10,13,16-trioxa-2,6,20-triazapentacosanoate (CAS 2241747-15-7)
- L-Asparagine, N2-[(9H-fluoren-9-ylmethoxy)carbonyl]-N-(triphenylmethyl)-, 2-carboxy-2-[[(1,1-dimethylethoxy)carbonyl]amino]ethyl ester (CAS 944283-17-4)
- Esmolol Impurity 51 (CAS CATO-C4X-189151)
- Trospium Impurity 19 (CAS 799283-74-2)
- Posaconazole Impurity 67(R,S,R,R) (CAS 1229428-89-0)
- 2-((4-Bromophenyl)(hydroxy)methyl)cyclohex-2-en-1-one (CAS 875310-13-7)
- 4-Amino-1-(tert-butoxycarbonyl)pyrrolidine-3-carboxylic acid (CAS 492461-79-7)
- 3,6-Dihydro-2H-1,2-oxazine hydrochloride (CAS 872-41-3)
- 1-(3-Cyclobutyl-1-methyl-1H-pyrazol-5-yl)ethan-1-one (CAS 1893162-23-6)
- azepane-2-carboxylic acid hydrochloride (CAS 5227-52-1)
- (3S,4R,6aR,6bS,8R,8aS,14aR,14bS)-4,8a-Bis(hydroxymethyl)-4,6a,6b,11,11,14b-hexamethyl-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,14a,14b-octadecahydropicene-3,8-diol (CAS 5573-16-0)
- Palmitoyl Tripeptide -5 · 2 TFA (CAS 623172-56-5)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com