(R)-6,6'-((3,3',5,5'-Tetra-tert-butyl-[1,1'-biphenyl]-2,2'-diyl)bis(oxy))dibenzo[d,f][1,3,2]dioxaphosphepine

(R)-6,6'-[(3,3',5,5'-四叔丁基-1,1'-联苯-2,2'-二基)双(氧基)]二苯并[d,f][1,3,2]二氧磷杂七环

Also known as: (R)-BIPHEPHOS, (Ra)-BIPHEPHOS, (R)-6,6'-Bis(dibenzo[d,f][1,3,2]dioxaphosphepin-6-yloxy)-3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl

(R)-6,6'-((3,3',5,5'-Tetra-tert-butyl-[1,1'-biphenyl]-2,2'-diyl)bis(oxy))dibenzo[d,f][1,3,2]dioxaphosphepine (CAS 138776-88-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C52H56O6P2 and a molecular weight of 838.9 g/mol. It is also known as (R)-BIPHEPHOS, (Ra)-BIPHEPHOS and (R)-6,6'-Bis(dibenzo[d,f][1,3,2]dioxaphosphepin-6-yloxy)-3,3',5,5'-tetra-tert-butyl-1,1'-biphenyl. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
138776-88-2
Jingsj CID
J-978136-4
Molecular Formula
C52H56O6P2
Chinese Name
(R)-6,6'-[(3,3',5,5'-四叔丁基-1,1'-联苯-2,2'-二基)双(氧基)]二苯并[d,f][1,3,2]二氧磷杂七环
Molecular Weight
838.9 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of (R)-6,6'-((3,3',5,5'-Tetra-tert-butyl-[1,1'-biphenyl]-2,2'-diyl)bis(oxy))dibenzo[d,f][1,3,2]dioxaphosphepine?

The CAS number of (R)-6,6'-((3,3',5,5'-Tetra-tert-butyl-[1,1'-biphenyl]-2,2'-diyl)bis(oxy))dibenzo[d,f][1,3,2]dioxaphosphepine is 138776-88-2.

What are the molecular formula and molecular weight of (R)-6,6'-((3,3',5,5'-Tetra-tert-butyl-[1,1'-biphenyl]-2,2'-diyl)bis(oxy))dibenzo[d,f][1,3,2]dioxaphosphepine?

(R)-6,6'-((3,3',5,5'-Tetra-tert-butyl-[1,1'-biphenyl]-2,2'-diyl)bis(oxy))dibenzo[d,f][1,3,2]dioxaphosphepine has molecular formula C52H56O6P2 and molecular weight 838.9 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(R)-6,6'-((3,3',5,5'-Tetra-tert-butyl-[1,1'-biphenyl]-2,2'-diyl)bis(oxy))dibenzo[d,f][1,3,2]dioxaphosphepine (CAS 138776-88-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-978136-4 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.