Bis(2,4-di-tert-butylphenyl) phenylphosphonite CAS 70146-21-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 70146-21-3 |
| Molecular Formula | C34H46O2P |
| Molecular Weight | 517.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Bis(2,4-di-tert-butylphenyl) phenylphosphonite (CAS 70146-21-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C34H46O2P. Molecular weight: 517.70 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C34H46O2P |
| Molecular Weight | 517.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
Recommended Standards
- Methyl 2-((7,9-dimethyl-2-((4-methylbenzyl)thio)pyrido[3',2':4,5]thieno[3,2-d]pyrimidin-4-yl)thio)benzoate (CAS 439110-64-2)
- N-(1,3-Dithiolan-2-ylmethyl)-5-phenyl-6-[4-[2-(1-pyrrolidinyl)ethoxy]phenyl]-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 1026493-77-5)
- 2,2-Dimethyl-4-oxo-3,10,14,19-tetraoxa-5-azahenicosan-21-yl 4-methylbenzenesulfonate (CAS 2681390-47-4)
- 2-(4-(4-Fluorophenyl)-6-oxopyrimidin-1(6H)-yl)acetic acid (CAS 1286705-94-9)
- 2-Methoxy-5-(methoxycarbonyl)-1,3-phenylene diacetate (CAS 13089-97-9)
- N,N-dimethyl-2-((3-methylcyclohexyl)amino)acetamide (CAS 1096273-48-1)
- Piperazine Impurity 64 (CAS 5854-18-2)
- Ganoderic Acid B (CAS 81907-61-1)
- 5-(4-(Trifluoromethoxy)phenyl)furan-2-carbaldehyde (CAS 306935-95-5)
- Tirzepatide Impurity 17 (CAS CATO-C4X-324017)
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