4-(2-Hydroxyphenyl)-2,6-diphenyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide CAS 2131111-78-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2131111-78-7 |
| Molecular Formula | C38H25O4P |
| Molecular Weight | 576.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 4-(2-Hydroxyphenyl)-2,6-diphenyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 2131111-78-7) pharmaceutical standards reference standard. Molecular formula: C38H25O4P. Molecular weight: 576.58 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C38H25O4P |
| Molecular Weight | 576.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 26.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
Related Hydroxyphenyl Standards
- (11bR)-4-(2-Hydroxyphenyl)-2,6-diphenyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-oxide (CAS 1879921-26-2)
- 5',5"-Bis(4-hydroxyphenyl)-2',2",4',4",6',6"-hexamethyl-[1,1':3',1":3",1"'-quaterphenyl]-4,4"'-diol (CAS 868046-54-2)
- 3,3-Bis(4-hydroxyphenyl)-4,5,6,7-tetranitro-3H-benzo[c][1,2]oxathiole 1,1-dioxide (CAS 57564-54-2)
- 4-Hydroxyphenyl Maraviroc (CAS 856708-54-8)
- 2-((5-(4-Hydroxyphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(naphthalen-2-yl)-N-phenylacetamide (CAS 332910-52-8)
- 5-(4-Hydroxyphenyl)-10,15,25-triphenylporphyrin (CAS 87345-22-0)
- Methyl (5-((4-hydroxyphenyl)sulfinyl)-1H-benzo[d]imidazol-2-yl)carbamate (CAS 83116-32-9)
- 2-(4-Hydroxyphenyl)-3-methyl-1-(10-(pentylsulfonyl)decyl)-1H-indol-5-ol (CAS 177583-70-9)
Recommended Standards
- (E)-Ethyl 3-(2-(cyclohexylmethoxy)-5-methylphenyl)-2,2-difluoro-3-(2-((2-(trifluoromethyl)phenyl)sulfonyl)hydrazono)propanoate (CAS 2738683-67-3)
- Tenofovir disoproxil Impurity 139 (CAS CATO-C4X-1076139)
- Baloxavir Marboxil Impurity 230 (CAS CATO-C4X-2108230)
- Ethyl 2-{4-bromo-2-methoxy-6-[(1Z)-[(4-methylphenyl)imino]methyl]phenoxy}acetate (CAS 338750-65-5)
- (1R)-1-(1-benzothiophen-3-yl)-2,2,2-trifluoroethan-1-ol (CAS 1423040-63-4)
- 1-Bromo-3-chloro-5-(difluoromethoxy)benzene (CAS 1004112-67-7)
- 1-Oxo-1,3-dihydroisobenzofuran-4-carbaldehyde (CAS 90484-24-5)
- 3-(Allyloxy)-5-nitrothiophene-2-carboxylic acid (CAS 1707568-96-4)
- 2-(Difluoromethyl)-4-iodo-5-methylpyridine-3-carboxaldehyde (CAS 1807094-05-8)
- Tumor Targeted Pro-Apoptotic Peptide (CAS 1926163-30-5)
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 13829788188 / jacky.chen@cato-chem.com