(Mercaptomethyl)diphenylphosphineoxide CAS 324753-14-2
| CAS No. | 324753-14-2 |
| Molecular Formula | C15H15O2PS |
| Molecular Weight | 290.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(Mercaptomethyl)diphenylphosphineoxide (CAS 324753-14-2), molecular formula C15H15O2PS and molecular weight 290.32 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (Mercaptomethyl)diphenylphosphineoxide (C15H15O2PS) contains a sulfone group, organophosphorus functionality, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.5, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 290.32 g/mol, it falls into the medium-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C15H15O2PS |
| Molecular Weight | 290.32 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) | 8.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Sulfur Atoms | 1 |
Related Mercaptomethyl Standards
- 1,1,1-Tris(mercaptomethyl)undecane (CAS 850873-54-0)
- Benzyl 3-(mercaptomethyl)piperidine-1-carboxylate (CAS 1353989-51-1)
- Benzyl 2-(mercaptomethyl)pyrrolidine-1-carboxylate (CAS 104379-90-0)
- Benzyl 3-(mercaptomethyl)pyrrolidine-1-carboxylate, 95% (CAS 1353981-84-6)
- 4,4'-Bis(mercaptomethyl) Biphenyl (CAS 43012-19-7)
- 4-Mercaptomethyl-piperidine-1-carboxylic acid benzyl ester (CAS 1353979-25-5)
- 4-(Mercaptomethyl)-2H-benzo[h]chromen-2-one (CAS 922526-49-6)
- 6-(Mercaptomethyl)-5-oxooctahydroindolizine-3-carboxylic acid (CAS 89240-37-9)
Recommended Standards
- (E)-3-(1,3-Diphenyl-1H-pyrazol-4-yl)acrylic acid (CAS 519137-38-3)
- (Z)-1-Acetyl-3-((5-(tert-butyl)-1H-imidazol-4-yl)methylene)piperazine-2,5-dione (CAS 714273-84-4)
- (3Z)-3-[(4-Methoxyphenyl)imino]-1-(prop-2-yn-1-yl)-2,3-dihydro-1H-indol-2-one (CAS 477886-40-1)
- 1-(4-Methoxybenzoyl)-1,2-dihydroquinoline-2-carbonitrile (CAS 70391-31-0)
- 5-Fluoro-4-methyl-3-nitrobenzene-1,2-diamine (CAS 147285-84-5)
- cis-2,6-dimethyloxane-4-carbaldehyde (CAS 1263775-50-3)
- 3-[(Benzo[1,3]dioxol-5-ylmethyl)-amino]-propan-1-ol hydrochloride (CAS 1050208-23-5)
- Doxofylline Impurity 4 (CAS 2095554-12-2)
- Temsirolimus Acetonide (CAS 162635-03-2)
- 1-deuteriooxypentane (CAS 14848-79-4)
- 3-{2-[2-(tert-Butyl)-4-chlorophenoxy]-ethyl}piperidine hydrochloride (CAS 1220029-54-8)
- (2RS,3RS)-1-Amino-3-(2-ethoxyphenoxy)-2-hydroxy-3-phenylpropane Methanesulfonate Salt (CAS 93853-04-4)
- 2-{[4-(1-ethyl-3-methyl-1h-pyrazol-4-yl)-6-(trifluoromethyl)pyrimidin-2-yl]sulfanyl}acetic acid (CAS 1001560-16-2)
- Semaglutide impurity 83 (CAS CATO-C4X-222683)
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