Ranitidine Impurity 11 CAS 102721-76-6
| CAS No. | 102721-76-6 |
| Molecular Formula | C4H8N2O2S |
| Molecular Weight | 148.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ranitidine Impurity 11 (CAS 102721-76-6), a pharmacopoeial impurity reference standard (molecular formula C4H8N2O2S, MW 148.18 g/mol) used for the identification and quantification of trace impurities in APIs.
The molecular framework of Ranitidine Impurity 11 (C4H8N2O2S) is characterized by an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
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 | C4H8N2O2S |
| Molecular Weight | 148.18 g/mol |
| Purity | >90% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ranitidine Standards
- Ranitidine Impurity N6 (CAS 1197-40-6)
- Ranitidine Impurity 13 (CAS 66357-40-2)
- Ranitidine Impurity 23 (CAS CATO-C4X-137023)
- Ranitidine Impurity N1 (CAS 15433-79-1)
- Ranitidine EP Impurity G (CAS 148639-72-9)
- Ranitidine Impurity 24 (CAS 13623-94-4)
- Ranitidine Impurity 20 (CAS 82301-45-9)
- Ranitidine Impurity 14 (CAS 871-76-1)
Recommended Standards
- Montelukast Impurity 54 (CAS 89729-09-9)
- Nizatidine EP Impurity B (CAS 61832-41-5)
- 4-FLUOROGUAIACOL 4-Fluoro-2-methoxyphenol 450-93-1 5-FLUORO-2-HYDROXYANISOLE AS00164 (CAS 450-93-1)
- 4-Ethyl-1,1-difluoro-cyclohexane (CAS 1310684-93-5)
- Etrasimod Impurity 75 (CAS CATO-C4X-321475)
- Netupitant Impurity 4 (CAS CATO-C4X-12234)
- Ritonavir EP Impurity H (CAS 1010809-43-4)
- 5-Bromo-2-butylbenzo[d]oxazole (CAS 1048914-34-6)
- 3-(p-Tolyloxy)phthalic acid (CAS 63181-80-6)
- 4-Bromo-1H-indol-7-amine (CAS 292636-14-7)
- (5Z)-5-[(Dimethylamino)methylidene]-3-methyl-1,3-thiazolidine-2,4-dione (CAS 5272-47-9)
- 3-{[(Furan-2-ylmethyl)-amino]-methyl}-7,8-dimethyl-1H-quinolin-2-one (CAS 462067-40-9)
- Leuprorelin Impurity 45 (CAS CATO-C4X-182245)
- Des-Ser32-Tirzepatide (CAS CATO-CPTD788942)
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