WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 341319

CAS#: 161265-03-8

Description: Xantphos is an organophosphorus compound derived from the heterocycle xanthene.

Chemical Structure

CAS# 161265-03-8

Theoretical Analysis

MedKoo Cat#: 341319
Name: Xantphos
CAS#: 161265-03-8
Chemical Formula: C39H32OP2
Exact Mass: 578.1928
Molecular Weight: 578.6315
Elemental Analysis: C, 80.95; H, 5.57; O, 2.76; P, 10.71

Price and Availability

Size Price Availability Quantity
1.0g USD 202.0 2 Weeks
5.0g USD 420.0 2 Weeks
25.0g USD 998.0 2 Weeks
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Synonym: Xantphos;

IUPAC/Chemical Name: 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene


InChi Code: InChI=1S/C39H32OP2/c1-39(2)33-25-15-27-35(41(29-17-7-3-8-18-29)30-19-9-4-10-20-30)37(33)40-38-34(39)26-16-28-36(38)42(31-21-11-5-12-22-31)32-23-13-6-14-24-32/h3-28H,1-2H3


Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 578.6315 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

Molarity Calculator

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