(R)-(+)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin

(R)-6,6'-双(二苯基膦)-2,2',3,3'-四氢-5,5′-联苯并[b][1,4]二氧六环

Also known as: (R)-(+)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin, (R)-Synphos, (R)-SYNPHOS, (R)-SYNPHOS(TM), (R)-[(5,6),(5',6')-Bis(ethylenedioxy)biphenyl-2,2'-diyl]diphenylphosphine, MFCD05861608

(R)-(+)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin (CAS 503538-68-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C40H32O4P2 and a molecular weight of 638.62700 g/mol. It is also known as (R)-Synphos, (R)-SYNPHOS and (R)-SYNPHOS(TM). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 503538-68-9
Jingsj CID: J-36965-9
Molecular Formula: C₄₀H₃₂O₄P₂
Chinese Name: (R)-6,6'-双(二苯基膦)-2,2',3,3'-四氢-5,5′-联苯并[b][1,4]二氧六环
Molecular Weight: 638.62700 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'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin?

The CAS number of (R)-(+)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin is 503538-68-9.

What are the molecular formula and molecular weight of (R)-(+)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin?

(R)-(+)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin has molecular formula C40H32O4P2 and molecular weight 638.62700 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(R)-(+)-6,6'-Bis(diphenylphosphino)-2,2',3,3'-tetrahydro-5,5'-bi-1,4-benzodioxin (CAS 503538-68-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36965-9 (accessed 2026-10-23).

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