CAS RN: 81166-84-9

CYCLOPROPYL(TRIMETHYLSILYL)ACETYLENE

Product Availability

Choose a grade to view its available package options.

5 package records4 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260422 100g Out of stock Inquiry
Batchno.20251125 10g In stock Shanghai Inquiry
Batchno.20250327 1g In stock Shanghai, Shenzhen Inquiry
Batchno.20250123 25g In stock Wuhan Inquiry
Batchno.20260103 5g In stock Shanghai, Shenzhen Inquiry
  • Product code: SSC-189707
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 1g, 5g, 10g, 25g, 100g
  • Available purity: ≥97%
  • Inventory rows with stock: 1
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 81166-84-9
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ≥97% 5 In Stock Beijing Inquiry
5g ≥97% 0 Out of Stock Shanghai Inquiry
10g ≥97% 0 Out of Stock Hong Kong Inquiry
25g ≥97% 0 Out of Stock Hong Kong Inquiry
100g ≥97% 0 Out of Stock Hong Kong Inquiry

81166-84-9 / 2-cyclopropylethynyl(trimethyl)silane

Standard CAS: 81166-84-9 Multi CAS: No

Basic Information

CAS
81166-84-9
Multi CAS
No
Molecular Formula
C8H14Si
Molecular Weight
138.280000
Exact Mass
138.086477
InChI
InChI=1S/C8H14Si/c1-9(2,3)7-6-8-4-5-8/h8H,4-5H2,1-3H3
InChIKey
IYQSVLJDYLPMCX-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
9
Fraction Csp3
0.75
Rotatable bonds
1
Molar refractivity
43.85
TPSA
0.0000

LogP / Solubility

WLOGP
2.28
MLOGP
2
XLogP3
2.28
Consensus LogP
2.19
Log S (ESOL)
-2.13
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.34
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.45
Class (SILICOS-IT)
Moderately 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)
-1.95

Drug-likeness / Medicinal Chemistry

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

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