Home >   Products   >  Advanced Search

(CAS RN:850253-53-1 Product Number:D4499)


Synonym (R)-(+)-5,5'-Bis[di(3,5-xylyl)phosphino]-4,4'-bi-1,3-benzodioxole
Synonym (R)-(+)-4,4'-Bis[di(3,5-xylyl)phosphino]-3,3'-bi(1,2-methylenedioxybenzene)

General Information

Product Number D4499

* Please contact our distributor or us if you would like to know purchase prices in Australia that include freight cost, customs charge and other charges to the destination.
* To send your quote request for bulk quantities, please click on the "Request Bulk Quotation" button. Please note that we cannot offer bulk quantities for some products.
* TCI frequently reviews storage conditions to optimize them. Please note that the latest information on the storage temperature for the products is described on our website.

Purity/Analysis Method >95.0%(HPLC)
Storage Temperature
M.F. / M.W. C46H44O4P2=722.80
CAS RN 850253-53-1
Related CAS RN
MDL Number
Packaging and Container


This product was merchandised under the technical tie-up with TAKASAGO INTERNATIONAL CORPORATION. SEGPHOS® is a registered trademark of TAKASAGO INTERNATIONAL CORPORATION.
We offer this product only in quantities for laboratory use.
  • Product Details
  • Safety & Regulations
  • Reference & Application


Purity(HPLC) min. 95.0 area%
Optical purity(LC) min. 99.0 ee%

Data of Reference

ee >99.0%(HPLC)
mp 248°C(lit.)


Reaxys-RN 10636061
PubChem SID 253659922


Direct Reductive Amination of β-Keto Amides



Page Top