Tetrakis(2,4-di-tert-butylphenyl)[1,1'-biphenyl]-4,4'-diylbisphosphonite (Technical Grade) CAS 38613-77-3
Purity Technical GradeIn StockPharmaceutical Standards
| CAS No. | 38613-77-3 |
| Molecular Formula | C68H92O4P2 |
| Molecular Weight | 1035.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Tetrakis(2,4-di-tert-butylphenyl)[1,1'-biphenyl]-4,4'-diylbisphosphonite (Technical Grade) (CAS 38613-77-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C68H92O4P2. Molecular weight: 1035.40 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C68H92O4P2 |
| Molecular Weight | 1035.40 g/mol |
| Purity | Technical Grade |
| 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) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
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Recommended Standards
- 9,9,9',9',9'',9''-Hexa-p-tolyl-9H,9'H,9''H-2,2':7',2''-terfluorene (CAS 474918-42-8)
- Tacrolimus Impurity 24 (CAS 1356352-20-9)
- Octreotide Impurity 3 (CAS CATO-C4X-15203)
- 4-nitro-1-nitroso-3-propyl-1H-pyrazole-5-carboxamide (CAS CATO-C4X-249324)
- (Z)-2-Acetamido-3-(4-cyanophenyl)acrylic acid (CAS 172267-41-3)
- 6-(4-Chlorophenyl)-3-cyclopropylisoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1263209-04-6)
- 5-CHloro-1,3-difluoro-2-(propan-2-yloxy)benzene (CAS 1395038-96-6)
- 3-(Cbz-aminomethyl)azetidine (CAS 876149-41-6)
- N-(2-bromopyridin-4-yl)-2,6-dichlorobenzamide (CAS 1258298-00-8)
- [y-Glu3]-Semaglutide Impurity 135 (CAS CATO-C4X-2226135)
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