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CAS 71808-65-6 Methoxy(dimethyl)octadecylsilane molecular structure lightbox
CAS RN: 71808-65-6

Methoxy(dimethyl)octadecylsilane

Product Availability

Choose a grade to view its available package options.

6 package records6 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250511 1g In stock Inquiry
Batchno.20250117 25g In stock Inquiry
Batchno.20250811 5g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20251107 1g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250620 25g In stock Shanghai Inquiry
Batchno.20250624 5g In stock Shanghai Inquiry
  • Product code: SSC-181372
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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 71808-65-6
Pack Size Recorded Purity Available Qty Ship From Inquiry
25g ≥95% 0 Out of Stock Hong Kong Inquiry

71808-65-6 / methoxy-dimethyl-octadecylsilane

Standard CAS: 71808-65-6 Multi CAS: No
Basic Information Computed Properties

Basic Information

CAS
71808-65-6
Multi CAS
No
Molecular Formula
C21H46OSi
Molecular Weight
342.700000
Exact Mass
342.331793
InChI
InChI=1S/C21H46OSi/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-23(3,4)22-2/h5-21H2,1-4H3
InChIKey
RUFRLNPHRPYBLF-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
23
Fraction Csp3
1
Rotatable bonds
18
H-bond acceptors
1
Molar refractivity
108.84
TPSA
9.23

LogP / Solubility

WLOGP
8.1
MLOGP
7.14
XLogP3
8.1
Consensus LogP
7.78
Log S (ESOL)
-5.88
Class (ESOL)
Slightly soluble
Log S (Ali)
-8.22
Class (Ali)
Insoluble
Log S (SILICOS-IT)
-10.77
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
No
Log Kp (skin permeation)
0.94

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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