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CAS 18623-11-5 N-OCTADECYLSILANE molecular structure lightbox
CAS RN: 18623-11-5

N-OCTADECYLSILANE

Product Availability

Choose a grade to view its available package options.

5 package records5 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260621 100g In stock Shanghai Inquiry
Batchno.20260112 1g In stock Shanghai Inquiry
Batchno.20250114 25g In stock Shanghai Inquiry
Batchno.20250910 500g In stock Shanghai Inquiry
Batchno.20250618 5g In stock Shanghai, Tianjin Inquiry
  • Product code: SSC-086311
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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: ≥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 18623-11-5
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ≥97% 0 Out of Stock Shenzhen Inquiry

18623-11-5 / octadecylsilane

Standard CAS: 18623-11-5 Multi CAS: No
Basic Information Computed Properties Safety & Transport

Basic Information

CAS
18623-11-5
Multi CAS
No
Molecular Formula
C18H40Si
Molecular Weight
284.600000
Exact Mass
284.289928
SMILES
CCCCCCCCCCCCCCCCCC[SiH3]
InChI
InChI=1S/C18H37Si/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19/h2-18H2,1H3
InChIKey
FUESFIVIIFEDFI-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
19
Fraction Csp3
1
Rotatable bonds
16
Molar refractivity
94.29
TPSA
0.0000

LogP / Solubility

WLOGP
6.03
MLOGP
5.32
XLogP3
6.03
Consensus LogP
5.79
Log S (ESOL)
-4.35
Class (ESOL)
Slightly soluble
Log S (Ali)
-6.25
Class (Ali)
Insoluble
Log S (SILICOS-IT)
-8.44
Class (SILICOS-IT)
Insoluble

ADME

GI absorption
Low
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-0.17

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
1.5

Safety & Transport

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation] H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statement Codes
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

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