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Electron Spin Resonance (ESR/EPR) Spectroscopy

Electron Spin Resonance (ESR), also known as Electron Paramagnetic Resonance (EPR), is a technique for studying materials with unpaired electrons. ESR spectroscopy helps analyze radicals, transition metal complexes, and defects in solids. To ensure precision, ESR spectroscopy requires reference standards for instrument calibration. At CymitQuimica, we provide ESR/EPR Spectroscopy Standards for various research applications in chemistry, physics, and material sciences.

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products per page. 42 products on this category.

BrandProduct dataPurityPrice rangeEstimated delivery
TCI logo
5,5-Dimethyl-1-pyrroline N-Oxide
REF: 3B-D2362CAS: 3317-61-1 		>97.0%(GC)(T)87.00 €~316.00 €Wed 27 Nov 24
TCI logo
4-Acetamido-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical [Catalyst for Oxidation]
REF: 3B-A1348CAS: 14691-89-5 		>98.0%(GC)62.00 €~205.00 €Wed 27 Nov 24
TCI logo
4-(2-Iodoacetamido)-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
REF: 3B-I0487CAS: 25713-24-0 		>98.0%(HPLC)136.00 €Wed 27 Nov 24
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Nitrosobenzene
REF: 3B-N0367CAS: 586-96-9 		>98.0%(GC)68.00 €~188.00 €Wed 27 Nov 24
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4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Benzoate Free Radical [Catalyst for Oxidation]
REF: 3B-H0878CAS: 3225-26-1 		>97.0%(GC)(T)67.00 €~197.00 €Wed 27 Nov 24
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4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
REF: 3B-A1343CAS: 14691-88-4 		>97.0%(GC)71.00 €~207.00 €Wed 27 Nov 24
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2,2,6,6-Tetramethylpiperidine 1-Oxyl Free Radical
REF: 3B-T1560CAS: 2564-83-2 		>98.0%(GC)(T)34.00 €~85.00 €Wed 27 Nov 24
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4-Methacryloyloxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
REF: 3B-M1531CAS: 15051-46-4 		>98.0%(GC)(T)92.00 €~282.00 €Wed 27 Nov 24
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4-Carboxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
REF: 3B-C1428CAS: 37149-18-1 		>97.0%(GC)(T)60.00 €~324.00 €Wed 27 Nov 24
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4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation)
REF: 3B-O0521CAS: 2896-70-0 		>98.0%(GC)100.00 €Wed 27 Nov 24
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4-Isothiocyanato-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
REF: 3B-I0486CAS: 36410-81-8 		>97.0%(GC)(T)107.00 €Wed 27 Nov 24
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N-tert-Butyl-α-(4-pyridyl-1-oxide)nitrone
REF: 3B-B1735CAS: 66893-81-0 		>98.0%(T)(HPLC)203.00 €~642.00 €Wed 27 Nov 24
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3-Carboxy-2,2,5,5-tetramethylpyrrolidine 1-Oxyl Free Radical
REF: 3B-C1406CAS: 2154-68-9 		>98.0%(T)(HPLC)311.00 €Wed 27 Nov 24
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N-tert-Butyl-α-phenylnitrone
REF: 3B-B1701CAS: 3376-24-7 		>98.0%(T)(HPLC)60.00 €~212.00 €Wed 27 Nov 24
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4-Cyano-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
REF: 3B-C1782CAS: 38078-71-6 		>95.0%(T)145.00 €Wed 27 Nov 24
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3,3,5,5-Tetramethyl-1-pyrroline N-Oxide
REF: 3B-T1554CAS: 10135-38-3 		>98.0%(GC)54.00 €~416.00 €Wed 27 Nov 24
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4-CYANO-TEMPO
REF: IN-DA003L9PCAS: 38078-71-6 		95%76.00 €~194.00 €Wed 04 Dec 24
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4-BENZOYLOXY-TEMPO
REF: IN-DA003KSOCAS: 3225-26-1 		96%23.00 €~650.00 €Wed 04 Dec 24
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4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy
REF: IN-DA00342NCAS: 2226-96-2 		98%To inquireWed 04 Dec 24
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2H-Pyrrole, 3,4-dihydro-2,2,4,4-tetramethyl-, 1-oxide
REF: IN-DA0004B0CAS: 10135-38-3 		98.0%63.00 €~531.00 €Wed 04 Dec 24
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5,5-Dimethyl-1-pyrroline N-Oxide
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5,5-Dimethyl-1-pyrroline N-Oxide

CAS:3317-61-1
Formula:
C6H11NO
Purity:
>97.0%(GC)(T)
Color and Shape:
White or Colorless to Yellow to Orange powder to lump to clear liquid
Molecular weight:
113.16

Ref: 3B-D2362

1g87.00 €
5g316.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4-Acetamido-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical [Catalyst for Oxidation]
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4-Acetamido-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical [Catalyst for Oxidation]

CAS:14691-89-5
Formula:
C11H21N2O2
Purity:
>98.0%(GC)
Color and Shape:
Light yellow to Brown powder to crystaline
Molecular weight:
213.30

Ref: 3B-A1348

5g62.00 €
25g205.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4-(2-Iodoacetamido)-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
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4-(2-Iodoacetamido)-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

CAS:25713-24-0
Formula:
C11H20IN2O2
Purity:
>98.0%(HPLC)
Color and Shape:
Light yellow to Amber to Dark green powder to crystal
Molecular weight:
339.20

Ref: 3B-I0487

100mg136.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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Nitrosobenzene
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Nitrosobenzene

CAS:586-96-9
Formula:
C6H5NO
Purity:
>98.0%(GC)
Color and Shape:
White to Light yellow to Light orange powder to crystaline
Molecular weight:
107.11

Ref: 3B-N0367

5g68.00 €
25g188.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Benzoate Free Radical [Catalyst for Oxidation]
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4-Hydroxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Benzoate Free Radical [Catalyst for Oxidation]

CAS:3225-26-1
Formula:
C16H22NO3
Purity:
>97.0%(GC)(T)
Color and Shape:
Light yellow to Brown powder to crystal
Molecular weight:
276.36

Ref: 3B-H0878

1g67.00 €
5g197.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
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4-Amino-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

CAS:14691-88-4
Formula:
C9H19N2O
Purity:
>97.0%(GC)
Color and Shape:
Orange to Brown powder to lump
Molecular weight:
171.26

Ref: 3B-A1343

1g71.00 €
5g207.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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2,2,6,6-Tetramethylpiperidine 1-Oxyl Free Radical
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2,2,6,6-Tetramethylpiperidine 1-Oxyl Free Radical

CAS:2564-83-2
Formula:
C9H18NO
Purity:
>98.0%(GC)(T)
Color and Shape:
Orange to Brown powder to crystal
Molecular weight:
156.25

Ref: 3B-T1560

5g34.00 €
25g85.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4-Methacryloyloxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
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4-Methacryloyloxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

CAS:15051-46-4
Formula:
C13H22NO3
Purity:
>98.0%(GC)(T)
Color and Shape:
Light yellow to Yellow to Orange powder to crystal
Molecular weight:
240.32

Ref: 3B-M1531

1g92.00 €
5g282.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4-Carboxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
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4-Carboxy-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

CAS:37149-18-1
Formula:
C10H18NO3
Purity:
>97.0%(GC)(T)
Color and Shape:
Light yellow to Brown powder to crystal
Molecular weight:
200.26

Ref: 3B-C1428

1g324.00 €
100mg60.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation)
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4-Oxo-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical (purified by sublimation)

CAS:2896-70-0
Formula:
C9H16NO2
Purity:
>98.0%(GC)
Color and Shape:
Light yellow to Brown powder to crystal
Molecular weight:
170.23

Ref: 3B-O0521

1g100.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4-Isothiocyanato-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
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4-Isothiocyanato-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

CAS:36410-81-8
Formula:
C10H17N2OS
Purity:
>97.0%(GC)(T)
Color and Shape:
Light yellow to Brown powder to crystal
Molecular weight:
213.32

Ref: 3B-I0486

100mg107.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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N-tert-Butyl-α-(4-pyridyl-1-oxide)nitrone
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N-tert-Butyl-α-(4-pyridyl-1-oxide)nitrone

CAS:66893-81-0
Formula:
C10H14N2O2
Purity:
>98.0%(T)(HPLC)
Color and Shape:
White to Light yellow powder to crystal
Molecular weight:
194.23

Ref: 3B-B1735

1g203.00 €
5g642.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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3-Carboxy-2,2,5,5-tetramethylpyrrolidine 1-Oxyl Free Radical
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3-Carboxy-2,2,5,5-tetramethylpyrrolidine 1-Oxyl Free Radical

CAS:2154-68-9
Formula:
C9H16NO3
Purity:
>98.0%(T)(HPLC)
Color and Shape:
Light orange to Yellow to Green powder to crystal
Molecular weight:
186.23

Ref: 3B-C1406

1g311.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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N-tert-Butyl-α-phenylnitrone
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N-tert-Butyl-α-phenylnitrone

CAS:3376-24-7
Formula:
C11H15NO
Purity:
>98.0%(T)(HPLC)
Color and Shape:
White to Light yellow to Light orange powder to crystal
Molecular weight:
177.25

Ref: 3B-B1701

1g60.00 €
5g212.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4-Cyano-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical
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4-Cyano-2,2,6,6-tetramethylpiperidine 1-Oxyl Free Radical

CAS:38078-71-6
Formula:
C10H17N2O
Purity:
>95.0%(T)
Color and Shape:
Light yellow to Amber to Dark green powder to crystal
Molecular weight:
181.26

Ref: 3B-C1782

1g145.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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3,3,5,5-Tetramethyl-1-pyrroline N-Oxide
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3,3,5,5-Tetramethyl-1-pyrroline N-Oxide

CAS:10135-38-3
Formula:
C8H15NO
Purity:
>98.0%(GC)
Color and Shape:
White to Orange to Green powder to crystal
Molecular weight:
141.21

Ref: 3B-T1554

1g416.00 €
100mg54.00 €
Estimated delivery in United States, on Wednesday 27 Nov 2024
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4-CYANO-TEMPO
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4-CYANO-TEMPO

CAS:38078-71-6
Formula:
C10H17N2O
Purity:
95%
Color and Shape:
Solid
Molecular weight:
181.2548

Ref: IN-DA003L9P

1g194.00 €
100mg76.00 €
250mg103.00 €
Estimated delivery in United States, on Wednesday 4 Dec 2024
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4-BENZOYLOXY-TEMPO
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4-BENZOYLOXY-TEMPO

CAS:3225-26-1
Formula:
C16H22NO3
Purity:
96%
Color and Shape:
Solid
Molecular weight:
276.3508

Ref: IN-DA003KSO

1g23.00 €
5g37.00 €
10g56.00 €
25g61.00 €
50g109.00 €
75g132.00 €
100g172.00 €
200g231.00 €
300g340.00 €
400g598.00 €
500g650.00 €
100mg25.00 €
250mg24.00 €
Estimated delivery in United States, on Wednesday 4 Dec 2024
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4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy
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4-Hydroxy-2,2,6,6-tetramethyl-piperidinooxy

CAS:2226-96-2
Formula:
C9H18NO2
Purity:
98%
Color and Shape:
Solid
Molecular weight:
172.2447

Ref: IN-DA00342N

10gTo inquire
1kg86.00 €
25g21.00 €
5kg240.00 €
100g24.00 €
500g56.00 €
Estimated delivery in United States, on Wednesday 4 Dec 2024
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2H-Pyrrole, 3,4-dihydro-2,2,4,4-tetramethyl-, 1-oxide
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2H-Pyrrole, 3,4-dihydro-2,2,4,4-tetramethyl-, 1-oxide

CAS:10135-38-3
Formula:
C8H15NO
Purity:
98.0%
Color and Shape:
Solid
Molecular weight:
141.2108

Ref: IN-DA0004B0

1g531.00 €
100mg101.00 €
Estimated delivery in United States, on Wednesday 4 Dec 2024
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