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CAS 4766-57-8 Tetrabutyl Orthosilicate molecular structure lightbox
CAS RN: 4766-57-8

Tetrabutyl Orthosilicate

Product Availability

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4 package records3 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250526 100g In stock Shanghai, Chengdu Inquiry
Batchno.20250122 25g In stock Shanghai, Shenzhen Inquiry
Batchno.20251025 500g Out of stock Inquiry
Batchno.20250312 5g In stock Shanghai, Shenzhen, Tianjin, Wuhan Inquiry
  • Product code: SSC-154615
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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: 100ml
  • 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 4766-57-8
Pack Size Recorded Purity Available Qty Ship From Inquiry
100ml ≥95% 0 Out of Stock Shenzhen Inquiry

4766-57-8 / tetrabutyl silicate

Standard CAS: 4766-57-8 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
4766-57-8
Multi CAS
Yes
Molecular Formula
C16H36O4Si
Molecular Weight
320.540000
Exact Mass
320.238286
InChI
InChI=1S/C16H36O4Si/c1-5-9-13-17-21(18-14-10-6-2,19-15-11-7-3)20-16-12-8-4/h5-16H2,1-4H3
InChIKey
UQMOLLPKNHFRAC-UHFFFAOYSA-N

Physical Properties

Physical Description
Colorless liquid
State
Liquid

Computed Properties

Structural Parameters

Heavy atom count
21
Fraction Csp3
1
Rotatable bonds
16
H-bond acceptors
4
Molar refractivity
89.19
TPSA
36.92

LogP / Solubility

WLOGP
4.69
MLOGP
4.14
XLogP3
4.69
Consensus LogP
4.51
Log S (ESOL)
-3.73
Class (ESOL)
Poorly soluble
Log S (Ali)
-5.57
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-7.56
Class (SILICOS-IT)
Insoluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
Yes
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-1.35

Drug-likeness / Medicinal Chemistry

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

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