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CAS 791-28-6 Triphenylphosphine Oxide molecular structure lightbox
CAS RN: 791-28-6

Triphenylphosphine Oxide

Product Availability

Choose a grade to view its available package options.

8 package records8 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250911 100g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250606 1kg In stock Shanghai Inquiry
Batchno.20260411 500g In stock Shanghai, Tianjin Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260226 100g In stock Shanghai, Shandong, Chongqing, Hebei Inquiry
Batchno.20260330 10kg In stock Shandong Inquiry
Batchno.20251013 2.5kg In stock Shanghai, Shandong, Hebei Inquiry
Batchno.20250622 25g In stock Shanghai, Shandong, Guangdong, Hebei Inquiry
Batchno.20250401 500g In stock Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
  • Product code: SSC-188327
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 25g, 100g, 500g, 1000g
  • Available purity: ≥98%
  • Inventory rows with stock: 4
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 791-28-6
Pack Size Recorded Purity Available Qty Ship From Inquiry
25g ≥98% 5 In Stock Shenzhen Inquiry
100g ≥98% 5 In Stock Shenzhen Inquiry
500g ≥98% 5 In Stock Shanghai Inquiry
1000g ≥98% 1 In Stock Beijing Inquiry

791-28-6 / diphenylphosphorylbenzene

Standard CAS: 791-28-6 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
791-28-6
Multi CAS
Yes
Molecular Formula
C18H15OP
Molecular Weight
278.300000
Exact Mass
278.086052
InChI
InChI=1S/C18H15OP/c19-20(16-10-4-1-5-11-16,17-12-6-2-7-13-17)18-14-8-3-9-15-18/h1-15H
InChIKey
FIQMHBFVRAXMOP-UHFFFAOYSA-N

Physical Properties

Physical Description
Solid; [IUCLID] Beige crystalline solid
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
20
Aromatic heavy atom count
18
Rotatable bonds
3
H-bond acceptors
1
Molar refractivity
85.83
TPSA
17.07

LogP / Solubility

WLOGP
3.33
MLOGP
2.94
XLogP3
2.8
Consensus LogP
3.02
Log S (ESOL)
-4.13
Class (ESOL)
Slightly soluble
Log S (Ali)
-4.24
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-4.59
Class (SILICOS-IT)
Slightly soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
Yes
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.06

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
Yes
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
Yes
Synthetic Accessibility
1.5

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