Entecavir Impurity 44 CAS 1354715-30-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1354715-30-2 |
| Molecular Formula | C17H22ClN5O4 |
| Molecular Weight | 395.84 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Entecavir Impurity 44 (CAS 1354715-30-2) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C17H22ClN5O4. Molecular weight: 395.84 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C17H22ClN5O4 |
| Molecular Weight | 395.84 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Entecavir Standards
- Entecavir Impurity 19 (CAS 1030919-51-7)
- Entecavir Impurity 75 (CAS 701278-13-9)
- Entecavir Impurity 27 (CAS CATO-C4X-107727)
- Entecavir Impurity 28 (CAS CATO-C4X-107728)
- Entecavir Impurity 29 (CAS CATO-C4X-107729)
- Entecavir Impurity 30 (CAS CATO-C4X-107730)
- Entecavir-(R)-Methylethyl Carboxylic Acid (CAS 1415118-53-4)
- Entecavir-(S)-Methylethyl Carboxylic Acid (CAS 1415118-52-3)
Recommended Standards
- N'-[(1E)-(2H-1,3-Benzodioxol-5-yl)methylidene]-3-(3-chlorophenyl)-3-(1H-pyrrol-1-yl)propanehydrazide (CAS 866134-01-2)
- (2E)-1-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-3-[(4-methylphenyl)amino]prop-2-en-1-one (CAS 477888-41-8)
- 6-Chloro-4-nitro-3-(trifluoromethyl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrrolo[2,3-b]pyridine (CAS 892414-51-6)
- Niraparib Impurity 13 (CAS 2381228-27-7)
- Raltitrexed Impurity 12 (CAS 2135790-65-5)
- 3'-(Dibenzo[b,d]thiophen-4-yl)-10-phenyl-10H-spiro[acridine-9,9'-fluorene] (CAS 1467099-24-6)
- 1-(1,3-Dimethyl-1H-pyrazol-5-yl)-N-((3-methyl-1-propyl-1H-pyrazol-4-yl)methyl)methanamine hydrochloride (CAS 1856079-07-6)
- tert-Butyl 4-(8-methyl-9H-purin-6-yl)piperazine-1-carboxylate (CAS 121370-63-6)
- 1-Cyclopropyl-1H-indol-4-amine (CAS 1429042-05-6)
- Neuropeptide VF (124-131) (human) (CAS 311309-27-0)
Why CATO?
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