Ramosetron Impurity 7 CAS CATO-C4X-11827
| CAS No. | CATO-C4X-11827 |
| Molecular Formula | C17H17N3O2 |
| Molecular Weight | 295.34 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 Ramosetron Impurity 7 (CAS CATO-C4X-11827), a pharmacopoeial impurity reference standard (molecular formula C17H17N3O2, MW 295.34 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, Ramosetron Impurity 7 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 295.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C17H17N3O2 |
| Molecular Weight | 295.34 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
Related Ramosetron Standards
- Ramosetron Impurity 6 (CAS CATO-C4X-11826)
- Ramosetron Impurity 24 (CAS CATO-C4X-118224)
- Ramosetron Impurity 8 (CAS CATO-C4X-11828)
- Ramosetron Impurity 9 (CAS 171967-72-9)
- Ramosetron Impurity 14 (CAS 171967-71-8)
- Ramosetron Impurity 21 (CAS CATO-C4X-118221)
- Ramosetron Impurity 11 (CAS 1352491-75-8)
- Ramosetron impurity 31 (CAS CATO-C4X-118231)
Recommended Standards
- Omeprazole Impurity 10 (CAS CATO-C4X-125510)
- 3703AE 440650-70-4 5,7-Dimethyl-6-(2-methylbenzyl)pyrazolo-[1,5-a]pyrimidine-3-carboxylic acid C17H17N3O2 (CAS 440650-70-4)
- Phentolamine Impurity 8 (CAS 2767988-83-8)
- 330830-77-8 6-Methyl-2-[(4,6,8-trimethylquinazolin-2-yl)amino]pyrimidin-4(3H)-one MFCD22374901 (CAS 330830-77-8)
- Lesinurad Impurity 11 (CAS CATO-C4X-147811)
- Finasteride Impurity 22 (CAS CATO-C4X-164522)
- Migalastat Impurity 2 (CAS 1932484-87-1)
- Fac-(2,2′-Bipyridine)(bromo)tricarbonylrhenium (CAS 40231-87-6)
- 3-Bromo-2-chloro-6-(difluoromethyl)pyridine (CAS 1805221-46-8)
- 2-Acetyl-1,1-dimethyl-2,3,4,9-tetrahydro-1H-beta-carboline-3-carboxylic acid (CAS 1008081-01-3)
- 8-((2-(Phenylthio)ethyl)thio)quinoline (CAS 71314-97-1)
- 2,3-Dimethyl-2H-1,4-thiazine-6-carboxamide (CAS 1956322-75-0)
- 1-(Naphthalen-1-yl)propan-1-amine hydrochloride (CAS 149854-36-4)
- Liraglutide (CAS 204656-20-2)
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