9,9-Dimethyl-4,5-bis(di-tert-butylphosphino)xanthene

BGC Id:	442306179273
CAS No:	856405-77-1
Synonyms:	9,9-dimethyl-4,5-bis(di-t-butylphosphino)xanthene, min. 97% t-bu-xantphos ; 9,9-dimethyl-4,5-bis(di-t-butylphosphino)xanthene, 99% t-bu-xantphos ; 9,9-dimethyl-4,5-bis(di-t-butylphosphino)xanthene,97% t-bu-xantphos ; 4,5-bis[di(tert-butyl)phosphino]-9,9-dimethyl-9h-xanthene ; 9,9-dimethyl-4,5-bis(di-tert-butylphosphino)xanthene 97% ; 97% t-bu-xantphos
Molecular Formula:	C31H48OP2
Molecular Weight:	498.66
EINECS:

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The following notable provider has been checked and can be recommended.

Leap Chem Co., Ltd

Company type: Bulk and laboratory supplier

Phone: +852-30606658
Country: P.R.China

LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer se ...

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The last intensive check and update was carried out on 2026/05/04.

Identify

Synonyms:

9,9-dimethyl-4,5-bis(di-t-butylphosphino)xanthene, min. 97% t-bu-xantphos ; 9,9-dimethyl-4,5-bis(di-t-butylphosphino)xanthene, 99% t-bu-xantphos ; 9,9-dimethyl-4,5-bis(di-t-butylphosphino)xanthene,97% t-bu-xantphos ; 4,5-bis[di(tert-butyl)phosphino]-9,9-dimethyl-9h-xanthene ; 9,9-dimethyl-4,5-bis(di-tert-butylphosphino)xanthene 97% ; 97% t-bu-xantphos

CAS:

856405-77-1

EINECS:

Molecular Formula:

C31H48OP2

MDL:

MFCD07781995

SMILES:

[2H]C1=C(C(C2C(C1([2H])[2H])C(=O)NC2=O)([2H])[2H])[2H]

Properties

Molecular Weight:

498.66 g·mol−1

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

Santa Cruz Biotechnology, Inc.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand. Santa Cruz Biotechnology, Inc. is focused... Request

What other providers are available for CAS 856405-77-1?

In addition to the providers presented here for 9,9-Dimethyl-4,5-bis(di-tert-butylphosphino)xanthene with the CAS number 856405-77-1, there are other 9 providers with slightly different product names available for this CAS number.

tert-Bu-xantphos

+1 additional providers that we know from the past

4,5-Bis[di(tert-butyl)phosphino]-9,9-dimethyl-9H-xanthene

BLD Pharmatech Ltd +6 additional providers that we know from the past