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Analytical Chemistry (13)

Biochemicals (79)

Amino Acids (79)

Metabolites (79)

Natural (3)

Precursors & Intermediates (4)

Antibiotics (2)

Antifungals (2)

Antivirals (1)

Antioxidants (3)

Carnitines (8)

Labeling & Detection (1)

Synthetic Intermediates & Building Blocks (6)

Xenobiotic Metabolites (1)

Environmental Toxicology (1)

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Natural Products (8)

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Neuroscience (34)

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Mass Spectrometry (13)

Displaying 1 - 25 of 79 Results

N^G,N^G-dimethyl-L-Arginine (hydrochloride)

An endogenous NOS inhibitor

CAS No. 220805-22-1

Item No. 80230

Formulation: A crystalline solid

Purity: ≥95%

ADMA
Asymmetric dimethylarginine

5 mg

$28

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10 mg

$50

Add

25 mg

$118

Add

50 mg

$205

Add

3-hydroxy-DL-Kynurenine

An active metabolite of tryptophan

CAS No. 484-78-6

Item No. 27778

Formulation: A crystalline solid

Purity: ≥98%

DL-3-Hydroxykynurenine
3-Hydroxykynurenine

10 mg

$77

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25 mg

$164

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50 mg

$308

Add

100 mg

$501

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Indoxyl Sulfate (potassium salt)

A uremic toxin and metabolite of tryptophan

CAS No. 2642-37-7

Item No. 16926

Formulation: A crystalline solid

Purity: ≥98%

100 mg

$43

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250 mg

$97

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500 mg

$129

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1 g

$215

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L-Kynurenine

An active metabolite of tryptophan

CAS No. 2922-83-0

Item No. 11305

Formulation: A crystalline solid

Purity: ≥98%

3-anthraniloyl-Alanine
L-KYN

50 mg

$50

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100 mg

$90

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250 mg

$186

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500 mg

$297

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L-hydroxy Arginine (acetate)

A substrate for nitric oxide synthase

CAS No. 53598-01-9

Item No. 80300

Formulation: A crystalline solid

Purity: ≥95%

L-N^G-hydroxy Arginine
N⁵-hydroxy L-Arginine
N^ω-hydroxy-L-Arginine

5 mg

$108

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10 mg

$195

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25 mg

$428

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50 mg

$748

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L-Kynurenine-d₄

An internal standard for the quantification of kynurenine

CAS No. 2672568-86-2

Item No. 36307

Formulation: A solid

Purity: ≥99% deuterated forms (d₁-d₄)

3-anthraniloyl-Alanine-d₄
L-KYN-d₄

500 µg

$65

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1 mg

$117

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5 mg

$488

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Kynurenic Acid-d₅

An internal standard for the quantification of kynurenic acid

CAS No. 350820-13-2

Item No. 36306

Formulation: A solid

Purity: ≥99% deuterated forms (d₁-d₅)

1 mg

$124

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5 mg

$552

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L-Carnitine

A conditionally essential nutrient

CAS No. 541-15-1

Item No. 21489

Formulation: A crystalline solid

Purity: ≥95%

(–)-Carnitine
Levocarnitine
R-Carnitine

5 g

$39

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10 g

$66

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25 g

$145

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50 g

$270

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L-Carnitine-d₃ (chloride)

An internal standard for the quantification of L-carnitine

CAS No. 350818-62-1

Item No. 26565

Formulation: A crystalline solid

Purity: ≥99% deuterated forms (d₁-d₃)

(–)-Carnitine-d₃
R-Carnitine-d₃
Levocarnitine-d₃

1 mg

$41

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5 mg

$99

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10 mg

$178

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25 mg

$389

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Phenylacetyl L-Glutamine

An end product of phenylalanine metabolism in humans

CAS No. 28047-15-6

Item No. 16724

Formulation: A crystalline solid

Purity: ≥95%

NSC 203800
PAG
Phenylacetyl L-Gln

10 mg

$54

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25 mg

$120

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50 mg

$209

Add

100 mg

$367

Add

Imidazole Propionate

A metabolite of histidine

CAS No. 1074-59-5

Item No. 33458

Formulation: A crystalline solid

Purity: ≥95%

Deamino-histidine
Imidazolepropionic Acid
NSC 66737

50 mg

$46

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100 mg

$81

Add

250 mg

$157

Add

1 g

$355

Add

N^G,N^G-dimethyl-L-Arginine-d₆ (hydrochloride)

An internal standard for the quantification of N^G,N^G-dimethyl-L-arginine

CAS No. 1313730-20-9

Item No. 33266

Formulation: A solid

Purity: ≥99% deuterated forms (d₁-d₆)

ADMA-d₆
Asymmetric dimethylarginine-d₆

1 mg

$135

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5 mg

$537

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D-(-)-Citramalic Acid (lithium salt)

A biochemical intermediate involved in the anaerobic metabolism

Item No. 19260

Formulation: A crystalline solid

Purity: ≥95%

(R)-Citramalate
2-Methylmalic Acid

5 mg

$49

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10 mg

$81

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25 mg

$190

Add

Histamine

A biogenic amine

CAS No. 51-45-6

Item No. 33828

Formulation: A solid

Purity: ≥95%

NSC 33792

1 g

$80

Add

5 g

$297

Add

10 g

$555

Add

25 g

$1,089

Add

Tyramine-d₄ (hydrochloride)

An internal standard for the quantification of tyramine

CAS No. 1189884-47-6

Item No. 28531

Formulation: A solid

Purity: ≥99% deuterated forms (d₁-d₄)

2-(4-Hydroxyphenyl)ethylamine-d₄
p-Tyramine-d₄
Uteramine-d₄

5 mg

$796

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3-Hydroxyisobutyrate (sodium salt)

An intermediate in the metabolism of valine

CAS No. 1219589-99-7

Item No. 26105

Formulation: A crystalline solid

Purity: ≥95%

3-HIB

250 mg

$107

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1 g

$381

Add

Indole-3-pyruvic Acid

An endogenous metabolite of tryptophan

CAS No. 392-12-1

Item No. 29876

Formulation: A crystalline solid

Purity: ≥98%

Indole-3-pyruvate
IPA
IPyr
NSC 88874

250 mg

$70

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500 mg

$124

Add

1 g

$179

Add

Xanthurenic Acid

A tryptophan metabolite

CAS No. 59-00-7

Item No. 19191

Formulation: A crystalline solid

Purity: ≥95%

NSC 401570
Xanthurenate

500 mg

$36

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1 g

$55

Add

5 g

$253

Add

10 g

$469

Add

Kynurenic Acid (hydrate)

An active metabolite of tryptophan

CAS No. 345909-35-5

Item No. 16792

Formulation: A crystalline solid

Purity: ≥98%

KYNA

500 mg

$28

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1 g

$41

Add

5 g

$143

Add

L-Homocysteine

A thiol-containing amino acid

CAS No. 6027-13-0

Item No. 30852

Formulation: A solid

Purity: ≥95%

NSC 43117
(S)-Homocysteine

5 mg

$42

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10 mg

$71

Add

25 mg

$132

Add

50 mg

$203

Add

Isovaleryl-L-carnitine (chloride)

An acylcarnitine

CAS No. 139144-12-0

Item No. 26555

Formulation: A crystalline solid

Purity: ≥95%

CAR 5:0
C5:0 Carnitine
L-Carnitine isovaleryl ester
L-Isovalerylcarnitine

25 mg

$107

Add

50 mg

$203

Add

100 mg

$381

Add

Indoxyl Sulfate-d₅ (potassium salt)

An internal standard for the quantification of indoxyl sulfate

CAS No. 1644451-34-2

Item No. 34511

Formulation: A solid

Purity: ≥99% deuterated forms (d₁-d₅)

1 mg

$131

Add

5 mg

$590

Add

10 mg

$983

Add

Quinolinic Acid

An active metabolite of tryptophan and an NMDA receptor agonist

CAS No. 89-00-9

Item No. 14941

Formulation: A crystalline solid

Purity: ≥98%

NSC 13127
NSC 18836
NSC 403247

1 g

$36

Add

10 g

$53

Add

50 g

$169

Add

5-hydroxy-L-Tryptophan

An intermediate in serotonin biosynthesis

CAS No. 4350-09-8

Item No. 20539

Formulation: A crystalline solid

Purity: ≥98%

5-HTP
L-5-Hydroxytryptophan
Oxitriptan

1 g

$36

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5 g

$120

Add

10 g

$219

Add

25 g

$502

Add

D-Kynurenine

An antagonist of GPR109B

CAS No. 13441-51-5

Item No. 28254

Formulation: A crystalline solid

Purity: ≥98%

50 mg

$156

Add

100 mg

$294

Add

250 mg

$541

Add

500 mg

$922

Add

Displaying 1 - 25 of 79 Results

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Formulation: A crystalline solid

Purity: ≥95%

Formulation: A crystalline solid

Purity: ≥98%

Formulation: A crystalline solid

Purity: ≥98%

Formulation: A crystalline solid

Purity: ≥98%

Formulation: A crystalline solid

Purity: ≥95%

Formulation: A solid

Purity: ≥99% deuterated forms (d1-d4)

Formulation: A solid

Purity: ≥99% deuterated forms (d1-d5)

Formulation: A crystalline solid

Purity: ≥95%

Formulation: A crystalline solid

Purity: ≥99% deuterated forms (d1-d3)

Formulation: A crystalline solid

Purity: ≥95%

Formulation: A crystalline solid

Purity: ≥95%

Formulation: A solid

Purity: ≥99% deuterated forms (d1-d6)

Formulation: A crystalline solid

Purity: ≥95%

Formulation: A solid

Purity: ≥95%

Formulation: A solid

Purity: ≥99% deuterated forms (d1-d4)

Formulation: A crystalline solid

Purity: ≥95%

Formulation: A crystalline solid

Purity: ≥98%

Formulation: A crystalline solid

Purity: ≥95%

Formulation: A crystalline solid

Purity: ≥98%

Formulation: A solid

Purity: ≥95%

Formulation: A crystalline solid

Purity: ≥95%

Formulation: A solid

Purity: ≥99% deuterated forms (d1-d5)

Formulation: A crystalline solid

Purity: ≥98%

Formulation: A crystalline solid

Purity: ≥98%

Formulation: A crystalline solid

Purity: ≥98%

Purity: ≥99% deuterated forms (d₁-d₄)

Purity: ≥99% deuterated forms (d₁-d₅)

Purity: ≥99% deuterated forms (d₁-d₃)

Purity: ≥99% deuterated forms (d₁-d₆)

Purity: ≥99% deuterated forms (d₁-d₄)

Purity: ≥99% deuterated forms (d₁-d₅)