Pentamidine CAS 100-33-4
| CAS No. | 100-33-4 |
| Molecular Formula | C19H24N4O2 |
| Molecular Weight | 340.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 340.42 g/mol gives Pentamidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Pentamidine (CAS 100-33-4), molecular formula C19H24N4O2 and molecular weight 340.42 g/mol, is a CATO reference standard with documented purity and traceability.
Pentamidine (C19H24N4O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C19H24N4O2 |
| Molecular Weight | 340.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Pentamidine Standards
Recommended Standards
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- 4-[3,5-dichloro-2-(difluoromethoxy)phenyl]-1,3-thiazol-2-amine (CAS 790232-39-2)
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- tert-Butyl 2-(2-(2-hex-5-ynamidoethoxy)-ethoxy)ethylcarbamate (CAS 1207956-02-2)
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- N-tert-Butyl-1H-indazole-7-carboxamide (CAS 1476776-76-7)
- 3-(4-hydroxyphenyl)-4-oxo-4H-chromen-7-yl dihydrogen phosphate (CAS 386285-65-0)
- 5-Iodo-2-(trifluoromethyl)benzamide (CAS 654-96-6)
- Glucagon Monohydrochloride (CAS 28270-04-4)
Why CATO?
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