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CAS 2226-96-2 4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical molecular structure lightbox
CAS RN: 2226-96-2

4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

Product Availability

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9 package records9 with current stock3 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260507 100g In stock Inquiry
Batchno.20250309 2.5kg In stock Inquiry
Batchno.20250912 25g In stock Inquiry
Batchno.20260629 500g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20251111 1ml In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250218 100g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20250720 1kg In stock Shanghai Inquiry
Batchno.20250901 1mg In stock Shanghai Inquiry
Batchno.20250603 500g In stock Shanghai, Tianjin, Chengdu Inquiry
  • Product code: SSC-107286
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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: 5g, 25g, 100g, 1000g, 5000g, 500g
  • Available purity: >98%
  • Inventory rows with stock: 6
  • 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 2226-96-2
Pack Size Recorded Purity Available Qty Ship From Inquiry
5g >98% 5 In Stock Beijing Inquiry
25g >98% 5 In Stock Shenzhen Inquiry
100g >98% 5 In Stock Shenzhen Inquiry
1000g >98% 5 In Stock Beijing Inquiry
5000g >98% 2 In Stock Hong Kong Inquiry
500g >98% 1 In Stock Hong Kong Inquiry

2226-96-2 / 4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

Standard CAS: 2226-96-2 Multi CAS: No
Basic Information Physical Properties Computed Properties

Basic Information

CAS
2226-96-2
Multi CAS
No
Molecular Formula
C9H18NO2
Molecular Weight
172.240000
Exact Mass
172.133754
SMILES
CC1(CC(CC(N1[O])(C)C)O)C
InChI
InChI=1S/C9H18NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h7,11H,5-6H2,1-4H3
InChIKey
UZFMOKQJFYMBGY-UHFFFAOYSA-N

Physical Properties

Melting Point
71.5 °C
Physical Description
Pellets or Large Crystals; Dry Powder; Liquid; Other Solid Solid; [Merck Index]
Appearance
Crystals from ether + Benzene
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
12
Fraction Csp3
1
H-bond acceptors
2
H-bond donors
1
Molar refractivity
45.92
TPSA
43.37

LogP / Solubility

WLOGP
1.35
MLOGP
1.18
XLogP3
0.9
Consensus LogP
1.14
Log S (ESOL)
-1.76
Class (ESOL)
Soluble
Log S (Ali)
-1.94
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.9
Class (SILICOS-IT)
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)
-2.82

Drug-likeness / Medicinal Chemistry

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

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