ChemicalBook > CAS DataBase List > FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID

FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID

Product Name
FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID
CAS No.
93372-25-9
Chemical Name
FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID
Synonyms
FMOC-TOAC;FMOC-TOAC-OH 500 MG;FMOC-TOAC-OH 100 MG;FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID;Fmoc-2,2,6,6-tetramethylpiperidine-N-oxyl-4-amino-4-carboxylic acid≥ 98% (HPLC);4-(9H-fluoren-9-ylmethoxycarbonylamino)-2,2,6,6-tetramethyl-1-oxidopiperidin-1-ium-4-carboxylic acid
CBNumber
CB2166593
Molecular Formula
C25H29N2O5*
Formula Weight
437.51
MOL File
Mol file
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FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID Property

Melting point:
162-164°C
storage temp. 
Store at +2°C to +8°C.
solubility 
Acetonitrile (Slightly), Chloroform (Slightly), Methanol (Slightly)
form 
Solid
color 
Pale Yellow to Yellow
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Safety

WGK Germany 
WGK 2 water endangering
HS Code 
2933 39 99
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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.52342
Product name
Fmoc-TOAC-OH
Purity
Novabiochem?
Packaging
100MG
Price
$224
Updated
2023/06/20
Sigma-Aldrich
Product number
8.52342
Product name
Fmoc-TOAC-OH
Purity
Novabiochem?
Packaging
500MG
Price
$890
Updated
2023/06/20
TRC
Product number
F675000
Product name
Fmoc-2,2,6,6-tetramethylpiperidine-N-oxyl-4-amino-4-carboxylicAcid
Packaging
50mg
Price
$155
Updated
2021/12/16
Usbiological
Product number
276452
Product name
Fmoc-2,2,6,6-tetramethylpiperidine-N-oxyl-4-amino-4-carboxylic acid
Packaging
2mg
Price
$403
Updated
2021/12/16
Iris Biotech GmbH
Product number
FAA1771
Product name
Fmoc-TOAC-OH
Packaging
500mg
Price
$486
Updated
2021/12/16
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FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID Chemical Properties,Usage,Production

Chemical Properties

Yellow Solid

Uses

A protected spin-labelled, cyclic, chiral ?amino acid resolved in an enantiomerically pure state

Uses

A stable free radical spin label.

Uses

Fmoc-2,2,6,6-tetramethylpiperidine-N-oxyl-4-amino-4-carboxylic Acid is a stable, free radical spin label.

General Description

Fmoc-TOAC-OH is a useful tool for the incorporation of the ESR spin-label TOAC into peptide sequences [1]. Incorporation of this derivative and the following residue is best achieved using HATU activation. TFA/water/TIS should be used for cleavage of TOAC-containing peptides. The use of EDT should be avoided as it can cause permanent reduction of the nitroxide radical [2]. Following cleavage, the TOAC peptide should be treated with aqueous ammonia in air to regenerate the nitroxide from the hydroxylamine that is generated by the TFA treatment.

reaction suitability

reaction type: Fmoc solid-phase peptide synthesis

FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products

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FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID Suppliers

Canada 1 China 12 India 2 United States 4 Global 19
J & K SCIENTIFIC LTD.
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010-82848833 400-666-7788
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86-10-82849933
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jkinfo@jkchemical.com
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China
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3B Pharmachem (Wuhan) International Co.,Ltd.
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821-50328103-801 18930552037
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86-21-50328109
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3bsc@sina.com
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China
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Chemsky（shanghai）International Co.,Ltd.
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021-50135380
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shchemsky@sina.com
Country
China
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Sigma-Aldrich
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021-61415566 800-8193336
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orderCN@merckgroup.com
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China
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Changzhou Hopschain Chemical Co.,Ltd.
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0519-85528066 13775048983
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sales@hopschem.com
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Shenzhen Polymeri Biochemical Technology Co., Ltd.
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+86-400-002-6226 +86-13028896684;
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sales@rrkchem.com
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China
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57423
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BOC Sciences
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16314854226; +16314854226
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inquiry@bocsci.com
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United States
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TCI (Shanghai) Chemical Trading Co., Ltd.
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021-021-61109150
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021-61105897
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sales@tcisct.com
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China
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LGC Science (Shanghai) Ltd.
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17717235263
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cindy.yang@lgcgroup.com
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China
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17730
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93372-25-9, FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACIDRelated Search:


  • Fmoc-2,2,6,6-tetramethylpiperidine-N-oxyl-4-amino-4-carboxylic acid≥ 98% (HPLC)
  • FMOC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4-AMINO-4-CARBOXYLIC ACID
  • FMOC-TOAC
  • FMOC-TOAC-OH 100 MG
  • FMOC-TOAC-OH 500 MG
  • 4-(9H-fluoren-9-ylmethoxycarbonylamino)-2,2,6,6-tetramethyl-1-oxidopiperidin-1-ium-4-carboxylic acid
  • 93372-25-9
  • Chiral Reagents
  • Spin Labeling Compounds