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CAS 128388-53-4 (m-Terphenyl-5′-yl)trimethylsilane molecular structure lightbox
CAS RN: 128388-53-4

(m-Terphenyl-5′-yl)trimethylsilane

Product Availability

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3 package records0 with current stock2 grade groups
Batch No.PackageAvailabilityLead TimeInquiry
Batchno.20250521 250mg / 1g / 5g Out of stock 5-7 business days Inquiry
Batch No.PackageAvailabilityLead TimeInquiry
Batchno.20250820 1g Out of stock Inquiry
Batchno.20260429 250mg Out of stock Inquiry
  • Product code: SSC-035683
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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: 1g
  • Available purity: ≥95%
  • 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 128388-53-4
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ≥95% 0 Out of Stock Beijing Inquiry

128388-53-4 / (3,5-diphenylphenyl)-trimethylsilane

Standard CAS: 128388-53-4 Multi CAS: No
Basic Information Computed Properties

Basic Information

CAS
128388-53-4
Multi CAS
No
Molecular Formula
C21H22Si
Molecular Weight
302.500000
Exact Mass
302.149077
SMILES
C[Si](C)(C)C1=CC(=CC(=C1)C2=CC=CC=C2)C3=CC=CC=C3
InChI
InChI=1S/C21H22Si/c1-22(2,3)21-15-19(17-10-6-4-7-11-17)14-20(16-21)18-12-8-5-9-13-18/h4-16H,1-3H3
InChIKey
GCYRLUSIWVFXEZ-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
22
Aromatic heavy atom count
18
Fraction Csp3
0.14
Rotatable bonds
3
Molar refractivity
100.29
TPSA
0.0000

LogP / Solubility

WLOGP
5.57
MLOGP
4.91
XLogP3
5.57
Consensus LogP
5.35
Log S (ESOL)
-5.63
Class (ESOL)
Slightly soluble
Log S (Ali)
-6.06
Class (Ali)
Insoluble
Log S (SILICOS-IT)
-6.61
Class (SILICOS-IT)
Insoluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
Yes
CYP2C9 inhibitor
Yes
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-0.61

Drug-likeness / Medicinal Chemistry

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

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