Ritonavir EP Impurity H CAS 1010809-43-4
| CAS No. | 1010809-43-4 |
| Molecular Formula | C30H32N4O6S |
| Molecular Weight | 576.66 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ritonavir EP Impurity H (C30H32N4O6S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 576.66 g/mol, it falls into the moderately-high-molecular-weight range. 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).
Ritonavir EP Impurity H (CAS 1010809-43-4) is a certified pharmaceutical impurity reference standard with the molecular formula C30H32N4O6S and a molecular weight of 576.66 g/mol.
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 | C30H32N4O6S |
| Molecular Weight | 576.66 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Ritonavir Standards
- Ritonavir EP Impurity D (CAS 144142-33-6)
- Ritonavir Impurity 61 (CAS CATO-C4X-175161)
- Ritonavir Impurity A RRT 5.78 (CAS 959351-57-6)
- Ritonavir EP Impurity F (CAS 1010809-61-6)
- Ritonavir EP Impurity L (CAS 256328-82-2)
- Ritonavir Impurity 45 (CAS 1010809-50-3)
- Ritonavir EP Impurity J (CAS 162849-95-8)
- Ritonavir EP Impurity K (CAS 1010809-39-8)
Recommended Standards
- ((s)-2-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(benzyloxy)-4-oxobutanoyl)-d-methionine (CAS 2171258-33-4)
- Fmoc-Orn(Fmoc)-OH (CAS 201046-59-5)
- H-Trp-Trp-Trp-OH (CAS 59005-82-2)
- Neodymium(III) sulfate (CAS 10101-95-8)
- Captopril EP Impurity G (R-Isomer) (CAS 74431-52-0)
- Dotinurad Impurity 181 (CAS 425666-79-1)
- Linagliptin Impurity N16 (CAS 88203-04-7)
- 6-(4,5-Dimethoxy-2-methylphenyl)-3-methylimidazo[2,1-b]thiazole-2-carboxylic acid (CAS 1437434-53-1)
- 3-Chlorotetrahydro-2H-pyran-2-ol (CAS 1003-57-2)
- 4-(3,5-Dimethylpyrazol-1-yl)-3-methoxyaniline, 97% (CAS 1020713-23-8)
- (S)-tert-Butyl (4-methyl-1-oxopentan-2-yl)carbamate (CAS 58521-45-2)
- (2R,3S,4S)-5-(((2R,3R,4R,5S)-5-((((2R,3R,4R,5S)-5-((((2R,3R,4R,5S)-5-((((2R,3R,4R,5S)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)methyl)-3,4-dihydroxytetrahydrofuran-2-yl)oxy)methyl)-3,4-dihydroxytetrahydrofuran-2-yl)oxy)methyl)-3,4-dihydroxytetrahydrofuran-2-yl)oxy)-2,3,4-trihydroxypentanal (CAS 190852-25-6)
- 4-(N-(thiophen-2-ylmethyl)sulfamoyl)benzoic acid (CAS 436091-72-4)
- FMRF-Like Neuropeptide (CAS 121801-61-4)
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