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CAS 16066-09-4 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane molecular structure lightbox
CAS RN: 16066-09-4

1,1,1,3,5,7,7,7-Octamethyltetrasiloxane

Product Availability

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4 package records4 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260524 1ml / 5ml / 25ml / 100ml Confirm by inquiry Shanghai Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250202 100g In stock Shanghai Inquiry
Batchno.20260324 1kg In stock Shanghai Inquiry
Batchno.20250613 500g In stock Shanghai Inquiry
  • Product code: ICTO0397
  • Purity/Analytical Methods: >95.0%(GC)
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16066-09-4 / 1,1,1,3,5,7,7,7-Octamethyltetrasiloxane

Standard CAS: 16066-09-4 Multi CAS: No
Basic Information Computed Properties Safety & Transport

Basic Information

CAS
16066-09-4
Multi CAS
No
Molecular Formula
C8H24O3Si4
Molecular Weight
280.610000
Exact Mass
280.080251
SMILES
C[Si](O[Si](C)O[Si](C)(C)C)O[Si](C)(C)C
InChI
InChI=1S/C8H24O3Si4/c1-12(10-14(3,4)5)9-13(2)11-15(6,7)8/h1-8H3
InChIKey
OHSYWAVRSCQMHG-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
15
Fraction Csp3
1
Rotatable bonds
6
H-bond acceptors
3
Molar refractivity
73.18
TPSA
27.69

LogP / Solubility

WLOGP
2.94
MLOGP
2.6
XLogP3
2.94
Consensus LogP
2.83
Log S (ESOL)
-3.04
Class (ESOL)
Poorly soluble
Log S (Ali)
-3.99
Class (Ali)
Poorly soluble
Log S (SILICOS-IT)
-4.65
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)
-2.34

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

Safety & Transport

Pictogram(s)
Flammable Irritant
Signal
Warning
GHS Hazard Statements
H226 (64.8%): Flammable liquid and vapor [Warning Flammable liquids] H315 (36.7%): Causes skin irritation [Warning Skin corrosion/irritation] H319 (36.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H335 (35.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
Precautionary Statement Codes
P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501

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