2,2,6,6-Tetramethylpiperidine-N-oxyl-4-amino-4-carboxylic Acid - ≥95% , CAS No.15871-57-5

CAS: 15871-57-5 Cat. No.: T131770 Molecular Weight: 215.27 EC Number: 632-567-0 PubChem CID: 167486
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
2,2,6,6-Tetramethylpiperidine-1-oxyl-4-amino-4-carboxylic acid | 4-amino-1-hydroxy-2,2,6,6-tetramethylpiperidine-4-carboxylic acid | TOAC; 4-Amino-4-carboxy-2,2,6,6-tetramethylpiperidine-1-oxyl | FT-0675104 | TOAC [MI] | UNII-XDN8H1XM17 | 4-amino-4-carbox
Storage
Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
10mg
T131770-10mg
3
$24.90
50mg
T131770-50mg
3
$97.90
250mg
T131770-250mg
3
$483.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

TOAC is a nitroxide spin-labeled C α,α-disubstituted glycine derivative that is effective β-turn and 3(10)/α-helix promoter in peptides. It is a very good rigid electron paramagnetic resonance probe and fluorescence quencher.
A novel spin-labeled amino acid derivative for use in peptide synthesis,determination of TOAC-labeled peptide secondary structure by ESR

Specifications

Synonyms
2, 2, 6, 6-Tetramethylpiperidine-1-oxyl-4-amino-4-carboxylic acid | 4-amino-1-hydroxy-2, 2, 6, 6-tetramethylpiperidine-4-carboxylic acid | TOAC; 4-Amino-4-carboxy-2, 2, 6, 6-tetramethylpiperidine-1-oxyl | FT-0675104 | TOAC [MI] | UNII-XDN8H1XM17 | 4-amino-4-carbox
Specifications & Purity
≥95%
Storage
Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥95%
Names and Identifiers
Pubchem Sid504757601
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/504757601
Canonical SmilesCC1(CC(CC(N1[O])(C)C)(C(=O)O)N)C
InChIKeyFCTFGDVLBOGMPH-UHFFFAOYSA-N
INCHI1S/C10H19N2O3/c1-8(2)5-10(11,7(13)14)6-9(3,4)12(8)15/h5-6,11H2,1-4H3,(H,13,14)
Isomeric SMILES CC1(CC(CC(N1[O])(C)C)(C(=O)O)N)C
WGK Germany 3
PubChem CID 167486
Molecular Weight 215.27

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree Nodes Amino acids and derivatives - Alpha amino acids and derivatives - Alpha amino acids
Direct ParentL-alpha-amino acids
Alternative Parents D-alpha-amino acids  Piperidinecarboxylic acids  Aminopiperidines  Amino acids  Monocarboxylic acids and derivatives  Carboxylic acids  Azacyclic compounds  Organopnictogen compounds  Organic oxides  Monoalkylamines  Hydrocarbon derivatives  Carbonyl compounds  
Molecular FrameworkAliphatic heteromonocyclic compounds
Substituents L-alpha-amino acid - D-alpha-amino acid - Piperidinecarboxylic acid - 4-aminopiperidine - Piperidine - Amino acid - Carboxylic acid - Monocarboxylic acid or derivatives - Azacycle - Organoheterocyclic compound - Amine - Primary amine - Hydrocarbon derivative - Organic oxide - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Primary aliphatic amine - Organic oxygen compound - Carbonyl group - Organic nitrogen compound - Aliphatic heteromonocyclic compound
DescriptionThis compound belongs to the class of organic compounds known as l-alpha-amino acids. These are alpha amino acids which have the L-configuration of the alpha-carbon atom.
External Descriptors aminoxyls - piperidinemonocarboxylic acid
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

6 results found

Lot NumberCertificate TypeDateItem
J2524162Certificate of AnalysisNov 07, 2025 T131770
L2110091Certificate of AnalysisSep 19, 2023 T131770
L2110095Certificate of AnalysisSep 19, 2023 T131770
D2112079Certificate of AnalysisJan 17, 2023 T131770
D2112081Certificate of AnalysisJan 17, 2023 T131770
D2112082Certificate of AnalysisJan 17, 2023 T131770
Chemical and Physical Properties
SolubilitySoluble in DMSO, 100% ethanol, acetone, and benzene. Insoluble in water.
Sensitivitylight sensitive
Melt Point(°C)>230°C
Molecular Weight215.270 g/mol
XLogP3-2.300
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count1
Exact Mass215.14 Da
Monoisotopic Mass215.14 Da
Topological Polar Surface Area67.600 Ų
Heavy Atom Count15
Formal Charge0
Complexity268.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

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