PF-04958242, >98% (HPLC) CAS 1258963-59-5
| CAS No. | 1258963-59-5 |
| Molecular Formula | C18H20N2O4S2 |
| Molecular Weight | 392.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 392.49 g/mol gives PF-04958242, >98% (HPLC) distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
PF-04958242, >98% (HPLC) (CAS 1258963-59-5), molecular formula C18H20N2O4S2 and molecular weight 392.49 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H20N2O4S2, PF-04958242, >98% (HPLC) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 392.49 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C18H20N2O4S2 |
| Molecular Weight | 392.49 g/mol |
| 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.) | 1990 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related PF Standards
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Recommended Standards
- tert-Butyl 4-(3-(benzylamino)-2-cyanophenyl)piperazine-1-carboxylate (CAS 1242268-05-8)
- Methyl (tert-butoxycarbonyl)-D-phenylalanyl-L-leucinate (CAS 129279-71-6)
- tert-Butyl 4-({imidazo[1,2-a]pyridin-3-yl}methyl)-3-phenylpiperazine-1-carboxylate (CAS 1184981-44-9)
- Tr-PEG3-OH (CAS 133699-09-9)
- 3-(Cyanomethyl)benzenesulfonamide (CAS 52320-62-4)
- (S)-1-(1-phenylethyl)piperazine dihydrochloride (CAS 685105-96-8)
- (2-Chlorocyclododecyl)(phenyl)selane (CAS 71518-95-1)
- 2-(4-Fluorophenyl)-1H-indole-3-carboxylic acid (CAS 773870-18-1)
- 4-Hydroxy-5-phenyl-1H-pyrimidin-6-one (CAS 18337-64-9)
- 4-Formyl-5-methyl-1H-pyrrole-2-carboxylic acid (CAS 98279-54-0)
- Ursodeoxycholic Acid Impurity 110 (CAS CATO-C4X-1422110)
- 1-(2-(Azetidin-3-yloxy)ethyl)pyrrolidine (CAS 1339228-44-2)
- Benzyl 3-chloro-5-hydroxybenzoate (CAS 245116-17-0)
- Neuropeptide Y (3-36) (porcine) trifluoroacetate salt (CAS 143863-88-1)
Why CATO?
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