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CAS 1873-89-8 Tris(trimethylsilyloxy)silane molecular structure lightbox
CAS RN: 1873-89-8

Tris(trimethylsilyloxy)silane

Product Availability

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4 package records4 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250114 100g In stock Shanghai Inquiry
Batchno.20250218 25g In stock Shanghai Inquiry
Batchno.20260331 500g In stock Shanghai Inquiry
Batchno.20250907 5g In stock Shanghai, Shenzhen Inquiry
  • Product code: SSC-087068
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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: 25g
  • 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 1873-89-8
Pack Size Recorded Purity Available Qty Ship From Inquiry
25g ≥95% 0 Out of Stock Beijing Inquiry

1873-89-8 / Tris(trimethylsilyloxy)silane

Standard CAS: 1873-89-8 Multi CAS: No
Basic Information Computed Properties Safety & Transport

Basic Information

CAS
1873-89-8
Multi CAS
No
Molecular Formula
C9H27O3Si4
Molecular Weight
295.650000
Exact Mass
295.103726
SMILES
C[Si](C)(C)O[Si](O[Si](C)(C)C)O[Si](C)(C)C
InChI
InChI=1S/C9H27O3Si4/c1-14(2,3)10-13(11-15(4,5)6)12-16(7,8)9/h1-9H3
InChIKey
XAASNKQYFKTYTR-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
16
Fraction Csp3
1
Rotatable bonds
6
H-bond acceptors
3
Molar refractivity
79.05
TPSA
27.69

LogP / Solubility

WLOGP
3.53
MLOGP
3.11
XLogP3
3.53
Consensus LogP
3.39
Log S (ESOL)
-3.5
Class (ESOL)
Poorly soluble
Log S (Ali)
-4.53
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-5.23
Class (SILICOS-IT)
Slightly soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.02

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
1.5

Safety & Transport

Pictogram(s)
Flammable
Signal
Warning
GHS Hazard Statements
H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]
Precautionary Statement Codes
P210, P233, P240, P241, P242, P243, P280, P303+P361+P353, P370+P378, P403+P235, and P501

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