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Merck

382000

4-Carboxy-TEMPO, free radical

97%

Synonym(s):

4-Carboxy-2,2,6,6-tetramethylpiperidine 1-oxyl, 4-Carboxy-2,2,6,6-tetramethylpiperidinyloxy, free radical, 4-Carboxy-TEMPO

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About This Item

Empirical Formula (Hill Notation):
C10H18NO3
CAS Number:
37149-18-1
Molecular Weight:
200.25
UNSPSC Code:
12352000
NACRES:
NA.22
PubChem Substance ID:
24863856
MDL number:
MFCD00134569
Beilstein/REAXYS Number:
3949026
Assay:
97%

Key Documents

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Quality Level

200

assay

97%

mp

185-189 °C (lit.)

functional group

carboxylic acid

storage temp.

2-8°C

SMILES string

CC1(C)CC(CC(C)(C)N1[O])C(O)=O

InChI

1S/C10H18NO3/c1-9(2)5-7(8(12)13)6-10(3,4)11(9)14/h7H,5-6H2,1-4H3,(H,12,13)

InChI key

CYQGCJQJIOARKD-UHFFFAOYSA-N

General description

4-Carboxy-TEMPO is a 4-substituted 2,2,6,6-tetramethylpiperidyl-1-oxy (TEMPO) derivative. 4-carboxy-TEMPO immobilized with 3-aminopropylsilane on the mesoporous silica surface comprises heterogeneous catalytic system employed for various oxidation reactions.

Application

4-Carboxy-TEMPO may be employed as catalyst for the oxidation of regenerated cellulose (viscose rayon) to cellouronic acid.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000514088
0000514088
0000289023
0000289023
0000193894

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Fei Wang et al.
PloS one, 8(6), e64722-e64722 (2013-06-14)
In this study, the host-guest behavior of poly(amidoamine) (PAMAM) dendrimers bearing amine, hydroxyl, or carboxylate surface functionalities were investigated by paramagnetic NMR studies. 2,2,6,6-Tetramethylpiperidinyloxy (TEMPO) derivatives were used as paramagnetic guest molecules. The results showed that TEMPO-COOH significantly broaden the
G M Rosen et al.
Radiology, 163(1), 239-243 (1987-04-01)
The diagnosis of various disorders of the cerebrospinal fluid (CSF) with magnetic resonance (MR) imaging may require the intrathecal administration of a paramagnetic contrast agent. Furthermore, the CSF route provides direct access to the brain, circumventing the blood-brain barrier. Three
Martina Schleicher et al.
International journal of biomaterials, 2012, 397813-397813 (2012-04-07)
In vivo self-endothelialization by endothelial cell adhesion on cardiovascular implants is highly desirable. DNA-oligonucleotides are an intriguing coating material with nonimmunogenic characteristics and the feasibility of easy and rapid chemical fabrication. The objective of this study was the creation of
Dongxiao Wen et al.
International journal of analytical chemistry, 2018, 1710438-1710438 (2018-07-10)
A novel nanocomposite of nanoporous gold nanoparticles (np-AuNPs) functionalized with 2,2,6,6-tetramethyl-1-piperidinyloxy radical (TEMPO) was prepared; assembled carboxyl groups on gold nanoporous nanoparticles surface were combined with TEMPO by the "bridge" of carboxylate-zirconium-carboxylate chemistry. SEM images and UV-Vis spectroscopies of np-AuNPs
Kazuyuki Hosokawa et al.
Free radical biology & medicine, 37(7), 946-952 (2004-09-01)
Three water-soluble carboxy nitroxide antioxidants, 5-carboxy-1,1,3,3-tetramethylisoindolin-2-yloxyl, 4-carboxy-2,2,6,6-tetramethylpiperidin-1-yloxyl, and 3-carboxy-2,2,5,5-tetramethylpyrrolidin-1-yloxyl, show significant impact on the postirradiation survival rates of ataxia telangiectasia (A-T) cells compared to normal cells, an assay which represents a model for understanding the impact of ROS damage on
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Global Trade Item Number

SKUGTIN
382000-250MG04061833482513

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