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CAS 4731-53-7 Tri-n-octylphosphine molecular structure lightbox
CAS RN: 4731-53-7

Tri-n-octylphosphine

Product Availability

Choose a grade to view its available package options.

6 package records5 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20251112 100g In stock Shanghai, Tianjin Inquiry
Batchno.20260211 10g In stock Shanghai Inquiry
Batchno.20250428 1kg Out of stock Inquiry
Batchno.20260509 25g In stock Shanghai, Shenzhen, Tianjin, Wuhan Inquiry
Batchno.20250529 500g In stock Shanghai Inquiry
Batchno.20260620 5g In stock Shanghai, Tianjin Inquiry
  • Product code: SSC-154213
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Historical Factory Record

Historical Supply Reference

This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.

  • Pack sizes on record: 10g
  • Available purity: 90%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
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Reference Pack Sizes

Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 4731-53-7
Pack Size Recorded Purity Available Qty Ship From Inquiry
10g 90% 0 Out of Stock Shanghai Inquiry

4731-53-7 / trioctylphosphane

Standard CAS: 4731-53-7 Multi CAS: No
Basic Information Physical Properties Computed Properties

Basic Information

CAS
4731-53-7
Multi CAS
No
Molecular Formula
C24H51P
Molecular Weight
370.600000
Exact Mass
370.372839
InChI
InChI=1S/C24H51P/c1-4-7-10-13-16-19-22-25(23-20-17-14-11-8-5-2)24-21-18-15-12-9-6-3/h4-24H2,1-3H3
InChIKey
RMZAYIKUYWXQPB-UHFFFAOYSA-N

Physical Properties

Physical Description
Liquid Colorless liquid with an odor like garlic
State
Liquid

Computed Properties

Structural Parameters

Heavy atom count
25
Fraction Csp3
1
Rotatable bonds
21
Molar refractivity
121.65
TPSA
0.0000

LogP / Solubility

WLOGP
9.55
MLOGP
8.42
XLogP3
10.2
Consensus LogP
9.39
Log S (ESOL)
-6.77
Class (ESOL)
Insoluble
Log S (Ali)
-9.49
Class (Ali)
Insoluble
Log S (SILICOS-IT)
-12.52
Class (SILICOS-IT)
Insoluble

ADME

GI absorption
Low
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
Yes
CYP2D6 inhibitor
No
CYP3A4 inhibitor
Yes
Log Kp (skin permeation)
1.8

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
No
Egan
No
Muegge
No
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
2.5

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