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CAS 18027-45-7 3-(Dimethylsilyloxy)-1,1,5,5-tetramethyl-3-phenyltrisiloxane molecular structure lightbox
CAS RN: 18027-45-7

3-(Dimethylsilyloxy)-1,1,5,5-tetramethyl-3-phenyltrisiloxane

Product Availability

Choose a grade to view its available package options.

5 package records4 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250131 100g In stock Shenzhen Inquiry
Batchno.20251211 25g In stock Tianjin, Chengdu Inquiry
Batchno.20250415 500g Out of stock Inquiry
Batchno.20251124 5g In stock Shenzhen, Chengdu Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20251104 5ml / 25ml / 100ml / 500ml Confirm by inquiry Shanghai, Shandong, Guangdong Inquiry
  • Product code: SSC-080691
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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: 100g
  • Available purity: ＞97%
  • 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 18027-45-7
Pack Size Recorded Purity Available Qty Ship From Inquiry
100g ＞97% 0 Out of Stock Hong Kong Inquiry

18027-45-7 / 3-(Dimethylsilyloxy)-1,1,5,5-tetramethyl-3-phenyltrisiloxane

Standard CAS: 18027-45-7 Multi CAS: No
Basic Information Computed Properties

Basic Information

CAS
18027-45-7
Multi CAS
No
Molecular Formula
C12H23O3Si4
Molecular Weight
327.650000
Exact Mass
327.072426
SMILES
C[Si](C)O[Si](C1=CC=CC=C1)(O[Si](C)C)O[Si](C)C
InChI
InChI=1S/C12H23O3Si4/c1-16(2)13-19(14-17(3)4,15-18(5)6)12-10-8-7-9-11-12/h7-11H,1-6H3
InChIKey
YKSADNUOSVJOAS-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
19
Aromatic heavy atom count
6
Fraction Csp3
0.5
Rotatable bonds
7
H-bond acceptors
3
Molar refractivity
87.53
TPSA
27.69

LogP / Solubility

WLOGP
2.64
MLOGP
2.33
XLogP3
2.64
Consensus LogP
2.54
Log S (ESOL)
-3.3
Class (ESOL)
Poorly soluble
Log S (Ali)
-4.15
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-4.82
Class (SILICOS-IT)
Slightly soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
Yes
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.85

Drug-likeness / Medicinal Chemistry

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

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