((Benzo[d]thiazol-2-ylsulfinyl)methyl)diphenylphosphine oxide CAS 1028454-88-7
| CAS No. | 1028454-88-7 |
| Molecular Formula | C20H16NO2PS2 |
| Molecular Weight | 397.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, ((Benzo[d]thiazol-2-ylsulfinyl)methyl)diphenylphosphine oxide (C20H16NO2PS2) contains a steroid core, an amide group, a sulfone group, organophosphorus functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.5, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 397.45 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
((Benzo[d]thiazol-2-ylsulfinyl)methyl)diphenylphosphine oxide (CAS 1028454-88-7) is a high-purity analytical reference standard with the molecular formula C20H16NO2PS2 and a molecular weight of 397.45 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C20H16NO2PS2 |
| Molecular Weight | 397.45 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- Irinotecan Impurity 52-D5 (CAS 718612-51-2)
- Rivoglitazone (CAS 185428-18-6)
- (5-(3-Chlorophenyl)isoxazol-4-yl)methanol (CAS 430534-65-9)
- 5-Amino-1-(tert-butyl)-3-phenyl-1H-pyrazole-4-carbonitrile (CAS 180903-09-7)
- 3-(Diphenylamino)dibenzo[g,p]chrysene (CAS 1397202-77-5)
- Isopropyl 2-(2-(trifluoromethyl)-1H-benzo[d]imidazol-4-yl)acetate (CAS 896887-01-7)
- [(3-Bromobenzyl)amino]acetic acid (CAS 501653-62-9)
- 2-Methoxy-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-one (CAS 17910-72-4)
- 3-(3-Methoxypyridin-2-yl)propanoic acid (CAS 139745-96-3)
- 3-Hydroxy-2-naphthanilide (CAS 92-77-3)
- 2-(3-Hydroxy-3-methylbutyl)phenol (CAS 4167-73-1)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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