Metabolites and Substrates

Alpha-Keto Acids

Caffeine and Caffeine Metabolites

Carnitines

Dopa and Dopamine

Drug Standards

Glycerol

Immunosuppressants

Key Metabolite Standards

New Metabolites & Substrates

Organic Acids and Conjugate Salts

Urea

Products

ACETAMINOPHEN (CARBONYL-13C, 99%)

ACETAMINOPHEN (RING-13C6, 98%)

ACETIC ACID (1,2-13C2, 99%)

ACETIC ACID (1-13C, 99%)

ACETIC ACID (2-13C, 99%)

TRANS-ACONITIC ACID (2,4,4'-13C3, 99%) CHEMICAL PURITY 95%

ADIPIC ACID (D10, 98%)

ADMA:HCL:XH2O (MAY BE HYDRATE) (ASYMMETRIC DIMETHYLARGININE) (2,3,3,4,4,5,5-D7, 98%)

ALPHA-KETOGLUTARIC ACID, DISODIUM SALT (1,2,3,4-13C4, 99%) 97%+ CHEMICAL PURITY

4-AMINOBUTYRIC ACID (13C4, 97-99%)

AMINOPYRINE (N,N-DIMETHYL-13C2, 99%)

AMMONIUM CHLORIDE (15N, 99%)

AMMONIUM SULFATE (15N2, 10%)

AMMONIUM SULFATE (15N2, 10%)

AMMONIUM SULFATE (15N2, 5%)

5A-ANDROSTAN-3,17-DIONE (ANDROSTANEDIONE) (2,3,4-13C3, 98%)

ARECOLINE:HCL (O-METHYL-D3, 98%)

ARSENOBETAINE BROMIDE (CARBOXYMETHYL-13C2, 99%)

ASPIRIN (ACETYL-1-13C, 99%)

5-AZACYTOSINE (4,6-13C2, 98% 15N4, 98%)

AZT (METHYL-13C, 99%) 96% CHEMICAL PURITY

AZTREONAM (D6, 98%) 95% CHEMICAL PURITY

BENZTROPINE MESYLATE (N-METHYL-D3, 98%) 95% CHEMICAL PURITY

BUTYRYL COENZYME A, LITHIUM SALT (BUTYRYL-13C4, 99%)

CAFFEINE (3-METHYL-13C, 99%)

CAFFEINE (1,3-15N2, 99%)

CAFFEINE (2-13C, 99% 1,3-15N2, 98%+)

L-CARNITINE (N,N,N-TRIMETHYL-D9, 98%, 15N, 98%)

L-CARNITINE (TRIMETHYL-D9, 98%)

L-CARNITINE UNLABELED

L-CARNITINE(MONO):CLO4, O-3-DL-HYDROXYPALMITOYL (N-METHYL-D3, 98%)

L-CARNITINE(MONO):CLO4, O-GLUTARYL (N-METHYL-D3, 98%)

L-CARNITINE:CLO4, 3-HYDROXYISOVALERYL (N-METHYL-D3, 98%)

L-CARNITINE:HCL (DIMETHYL-D6, 98%)

L-CARNITINE:HCL (METHYL-D3, 98%)

L-CARNITINE:HCL, O-ACETYL (N-METHYL-D3, 98%)

L-CARNITINE:HCL, O-ACETYL (N,N-DIMETHYL-D6, 98%) 97% CHEMICAL PURITY

L-CARNITINE:HCL, O-ACETYL UNLABELED

DL-CARNITINE:HCL, O-BUTYRYL UNLABELED

L-CARNITINE:HCL, O-BUTYRYL (N-METHYL-D3, 98%) 97% CHEMICAL PURITY

L-CARNITINE:HCL, O-DODECANOYL (N-METHYL-D3, 98%)

L-CARNITINE:HCL, O-DODECANOYL (N,N,N-TRIMETHYL-D9, 98%)

L-CARNITINE:HCL, O-HEXACOSANOYL (N-METHYL-D3, 98%) (CHEMICAL PURITY 95%)

L-CARNITINE:HCL, O-HEXANOYL (N-METHYL-D3, 98%)

L-CARNITINE:HCL, O-HEXANOYL UNLABELED

DL-CARNITINE:HCL, O-ISOVALERYL UNLABELED

L-CARNITINE:HCL, O-ISOVALERYL (N,N,N-TRIMETHYL-D9, 98%)

L-CARNITINE:HCL, O-ISOVALERYL UNLABELED

DL-CARNITINE:HCL, O-MYRISTOYL UNLABELED

L-CARNITINE:HCL, O-MYRISTOYL (N,N,N-TRIMETHYL-D9, 98%)

L-CARNITINE:HCL, O-MYRISTOYL UNLABELED

L-CARNITINE:HCL, O-OCTADECANOYL (N-METHYL-D3, 98%)

L-CARNITINE:HCL, O-OCTANOYL (N-METHYL-D3, 98%)

L-CARNITINE:HCL, O-OCTANOYL UNLABELED

L-CARNITINE:HCL, O-PALMITOYL (N-METHYL-D3, 98%)

DL-CARNITINE:HCL, O-PROPIONYL UNLABELED

L-CARNITINE:HCL, O-PROPIONYL (N-METHYL-D3, 98%)

L-CARNITINE:HCL, O-PROPIONYL UNLABELED

BETA-CAROTENE (10,10',11,11'-13C4, 99%)

BETA-CAROTENE (19,19,19,19',19',19'-D6, 98%)

BETA-CAROTENE (10,10',19,19,19,19',19',19'-D8, 97%)

BETA-CAROTENE (>97% CHEMICAL PURITY) (12,12',13,13',14,14',15,15',20,20'-13C10, 99%)

(+/-)-CATECHIN GALLATE (2,3,4-13C3, 99%) (CP 97% )

CHLORAL HYDRATE (TRICHLOROMETHYL-13C, 97%)

3-CHLOROTYROSINE:HCL (13C9, 98%, 15N, 98%), CP: 95%

CHOLINE CHLORIDE (1,2-13C2, 99%)

CHOLINE CHLORIDE (TRIMETHYL-D9, 98%)

CHOLINE CHLORIDE (TRIMETHYL-D9, 98%) MICROBIOLOGICAL/PYROGEN TESTED

CIS-UROCANIC ACID (1,2,3-13C3, 99%)

CITRIC ACID (1,5-13C2, 99%)

CITRIC ACID (2,4-13C2, 99%)

CITRIC ACID (1,5,6-CARBOXYL-13C3, 99%)

CITRIC ACID (2,2,4,4-D4, 98%)

CITRIC ACID (13C6, 99%) CHEMICAL PURITY 97%

CLONIDINE:HCL (4,4,5,5-IMIDAZOLINE-D4, 98%) 95% CHEMICAL PURITY

CLOZAPINE (4-METHYLPIPERAZINYL-D4, 97%)

DL-COTININE (METHYL-D3, 98%)

P-COUMARIC ACID (PROPYL-13C3, 99%) CP 99%+

CREATINE (GUANIDINO-13C, 99%)

CREATINE (15N3, 98%)

CREATINE (97% CHEMICAL PURITY) (METHYL-D3, 98%) MICROBIOLOGICAL/PYROGEN TESTED

CREATINE (97% CHEMICAL PURITY) (METHYL-D3, 98%)

CREATINE MONOHYDRATE (METHYL-13C, 99%)

DESETHYLAMODIAQUINE (ETHYL-D5, 97%)

DESIPRAMINE:HCL (2,4,6,8-D4, 98%)

DEXAMETHASONE (4,6-ALPHA,21,21-D4, 96%) (MAY CONTAIN D AT C-2)

DL-2-HYDROXYGLUTARIC ACID, DISODIUM SALT (13C5, 99%)

DODECYLPHOSPHOCHOLINE (D38, 98%)

L-DOPA (1-13C, 99%)

L-DOPA (1-13C, RING-13C6, 99%)

L-DOPA (RING-13C6, 99%)

L-DOPA (RING-D3, 98%)

DOPAMINE:HCL (2,2-D2, 97-98%)

DOPAMINE:HCL (1-13C, 99%)

DOPAMINE:HCL (RING-13C6, 99%)

DOPAMINE:HCL (RING-D3, 98%)

DOPAMINE:HCL (RING-D3, 97% 2,2-D2, 97%)

DOPAMINE:HCL (1,1,2,2-D4, 97-98%)

DOPAMINE:HCL (1-13C, 99% 15N, 99%)

ENALAPRILAT:H2O (PHENYL-D5, 98%)

(+/-)-EPICATECHIN (CP 97% ) UNLABELED

(+/-)-EPICATECHIN GALLATE (2,3,4-13C3, 99%) (CP 97% )

(+/-)-EPIGALLOCATECHIN (2,3,4-13C3, 99%) (CP 97% )

(+/-)-EPIGALLOCATECHIN GALLATE (2,3,4-13C3, 99%) (CP 97% )

ERYTHROMYCIN (N-METHYL-13C, 99%)

ERYTHROMYCIN LACTOBIONATE SALT (N-METHYL-13C, 99%)

ERYTHROMYCIN LACTOBIONATE SALT (N,N-DIMETHYL-13C2, ~90%)

ETHANOL (1,2-13C2, 99%)

ETHANOL (2-13C, 99%)

ETHANOL (1-13C, 99%)

ETHANOLAMINE:HCL (1,2-13C2, 99%)

ETHANOLAMINE:HCL (1-13C, 99%)

ETHYL ACETOACETATE (1,3-13C2, 99%)

ETHYL ACETOACETATE (2,4-13C2, 99%)

EVEROLIMUS (2-HYDROXYETHYL-D4, 98%)

EVEROLIMUS UNLABELED 100 UG/ML IN METHANOL

EVEROLIMUS UNLABELED

FENOPROFEN SODIUM SALT HYDRATE (RING-13C6, 99%)

D-FRUCTOSE (U-13C6, 99%)

FUMARIC ACID (13C4, 99%)

FUMARIC ACID (1,4-13C2, 99% 2,3-D2, 98%)

FUMARIC ACID (1-13C, 99% 2,3-D2, 98%)

FUMARIC ACID (D4, 98%)

FUMARIC ACID (2,3-D2, 98%)

GALANGIN (2,3,4-13C3, 99%) CHEMICAL PURITY 95%

GALANGIN UNLABELED

(+/-)-GALLOCATECHIN (2,3,4-13C3, 99%) (CP 97% )

(+/-)-GALLOCATECHIN GALLATE (2,3,4-13C3, 99%) (CP 97% )

D-GLUCOSE (U-13C6, 99%)

D-GLUCOSE (U-13C6, 99%) MICROBIOLOGICAL/PYROGEN TESTED

D-GLUCOSE-6-PHOSPHATE, DISODIUM SALT (HYDRATE) (U-13C6, 99%+)

D-GLUCOSE (U-13C6, 99% 1,2,3,4,5,6,6-D7, 97-98%)

D-GLUCOSE-1-PHOSPHATE, DICYCLOHEXYLAMMONIUM SALT MONOHYDRATE (U-13C6, 99%+) 95% CHEMICAL PURITY

GLYCEROL (2-13C, 99%) MICROBIOLOGICAL/PYROGEN TESTED

GLYCEROL (2-13C, 99%)

GLYCEROL (13C3, 99% D8, 98%) 95% PURE

GLYCEROL (1,3-13C2, 99%)

GLYCEROL (1,1,2,3,3-D5, 99%)

GLYCINE, N-BENZOYL (HIPPURIC ACID) (RING-13C6, 99%)

HISTAMINE:2HCL (A,A,B,B-D4, 98%)

DL-2-HYDROXYGLUTARIC ACID, DISODIUM SALT UNLABELED

3-HYDROXYISOVALERIC ACID (D8, 98%) 97% CHEMICAL PURITY

DL-3-HYDROXYKYNURENINE (CHEMICAL PURITY 95%) (1,2,3-13C3, 98% ALPHA-AMINO-15N, 98%)

HYPOXANTHINE (13C5, 99%)

HYPOXANTHINE (2,8-D2, 98%)

HYPOXANTHINE (2,8,9-D3, OD, 98%)

HYPOXANTHINE (15N4, 98%)

HYPOXANTHINE (13C5, 99% 15N4, 98%)

IMIPRAMINE:HCL (2,4,6,8-D4, 98%) 97% CHEMICAL PURITY

INDOXYL SULFATE, POTASSIUM SALT (RING-D4, 98%)

IOPROMIDE (N-METHYL-D3, 98%)

2-(3-CYANOPROPYL)ISOTHIOUREA:HCL (CP 95%) (ISOTHIOUREA-13C,15N2, 98% NITRILE-13C,15N 98%)

KAEMPFEROL (2,3,4-13C3, 99%) CHEMICAL PURITY 95%

ALPHA-KETOBUTYRIC ACID, SODIUM (4-13C, 99% 3,3,4,4-D4, 98%)

ALPHA-KETOBUTYRIC ACID, SODIUM SALT (13C4, 98%)

ALPHA-KETOBUTYRIC ACID, SODIUM SALT (METHYL-13C, 99%)

ALPHA-KETOBUTYRIC ACID, SODIUM SALT (METHYL-13C, 99% 3,3-D2, 98%)

ALPHA-KETOBUTYRIC ACID, SODIUM SALT (13C4, 98% 3,3-D2, 98%)

KETOCONAZOLE (CARBONYL-13C, 99%)

ALPHA-KETOGLUTARIC ACID (13C5, 99%) > 90% PURE

ALPHA-KETOGLUTARIC ACID (D6, 98%)

ALPHA-KETOISOCAPROIC ACID, SODIUM SALT (1-13C, 99%)

ALPHA-KETOISOCAPROIC ACID, SODIUM SALT (1-13C, 99%)

ALPHA-KETOISOCAPROIC ACID, SODIUM SALT (1-13C, 99%) MICROBIOLOGICAL/PYROGEN TESTED

ALPHA-KETOISOCAPROIC ACID, SODIUM SALT (ISOPROPYL-D7, 98%)

ALPHA-KETOISOCAPROIC ACID, SODIUM SALT (1,2-13C2, 99%)

ALPHA-KETOISOCAPROIC ACID, SODIUM SALT (METHYL-D3,98%) MICROBIOLOGICAL/PYROGEN TESTED

ALPHA-KETOISOCAPROIC ACID, SODIUM SALT (METHYL-D3, 98%)

ALPHA-KETOISOVALERIC ACID, SODIUM SALT (DIMETHYL-13C2, 99%)

ALPHA-KETOISOVALERIC ACID, SODIUM SALT (3-METHYL-13C, 99% 3,4,4,4-D4, 98%)

ALPHA-KETOISOVALERIC ACID, SODIUM SALT (3-METHYL-13C, 99% 3-METHYL-D2,3,4,4,4,D4, 98%)

ALPHA-KETOISOVALERIC ACID, SODIUM SALT (1,2,3,4-13C4, 99% 3,4',4',4'-D4, 97-98%)

ALPHA-KETOISOVALERIC ACID, SODIUM SALT (DIMETHYL-13C2, 98% 3-METHYL-D2, 4,4-D2, 98%)

ALPHA-KETOISOVALERIC ACID, SODIUM SALT (13C5, 98% 3-D1, 98%)

ALPHA-KETOISOVALERIC ACID, SODIUM SALT (D7, 98%)

ALPHA-KETOISOVALERIC ACID, SODIUM SALT (13C5, 98%)

LAMOTRIGINE (5,6-13C2, 99% 5-AMINO-15N, 98%)

TRANS-LYCOPENE (8,8',9,9',10,10',11,11',19,19'-13C10, 99%)

LYSO-PC 26:0 (HEXACOSANOYL-1,2,3,4,5,6-13C6, 99%)

LYSO-PC 26:0 UNLABELED

MALEIC ACID (2,3-D2, 98%)

MALEIC ANHYDRIDE (13C4, 99%)

MALEIC ANHYDRIDE (1,4-13C2, 99%)

MALEIC ANHYDRIDE (2,3-13C2, 99%)

MALEIC ANHYDRIDE (D2, 98%)

DL-MALIC ACID (2,3,3-D3, 98%)

MECAMYLAMINE:HCL (TETRAMETHYL-13C4, 99%, 15N, 98%)

MELATONIN (ACETYL-D3, 98%)

METFORMIN:HCL (DIMETHYL-D6, 99%)

METHACETIN (METHOXY-13C, 99%)

5-METHOXYTRYPTAMINE:HCL (A,A,B,B-D4, 98%)

METHYL FORMATE (FORMYL-D, 99%)

(6S)-5-METHYLTETRAHYDROFOLIC ACID CALCIUM SALT (GLUTAMIC ACID-13C5, 90%) (CONTAINS ~10% H2O)

5-METHYLTETRAHYDROFOLIC ACID (GLUTAMIC ACID-13C5, 99%) CHEMICAL PURITY 95%

MORICIZINE HYDROCHLORIDE (D8, 98%) CP 95%

MYRICETIN (2,3,4-13C3, 99%) CHEMICAL PURITY 95%

N,N'-BIS(3-AMINOPROPYL)-1,4-BUTANEDIAMINE:4HCL UNLABELED CHEMICAL PURITY 95%

N-(3-AMINOPROPYL) BUTANE-1,4-DIAMINE UNLABELED CHEMICAL PURITY 95%

N-(3-AMINOPROPYL) BUTANE-1,4-DIAMINE:3HCL (SPERMIDINE:3HCL)(13C4, 99%) 95% CP

4-N-BUTYLANILINE (RING-13C6, 99%)

N-OLEOYL-D-SPHINGOSINE (CERAMIDE d18:1/18:1 (9z)) (OLEOYL-U-13C18, 99%) (95% CHEMICAL PURITY)

NAPROXEN, SODIUM SALT (O-METHYL-13C, 98%)

NICOTINAMIDE (D4, 98%)

NICOTINAMIDE (2,6,CARBONYL-13C3, 99% RING-1-15N, 98%)

NICOTINAMIDE (13C6, 99%)

DL-NICOTINE (3',4',5'-13C3, 99%)

DL-NICOTINE (METHYL-D3, 98%)

NORDIAZEPAM (PHENYL-D5, 98%)

DL-NORNICOTINE (PYRIDINE-D4, 98%)

NORTRIPTYLINE:HCL (METHYL-D3, 98%)

OLEIC ACID (U-13C18, 98%)

OROTIC ACID:H2O (1,3-15N2, 98%+)

P-CRESOL SULFATE POTASSIUM SALT (D7, 98%) CHEMICAL PURITY 97%

PALMITIC ACID (1,2,3,4-13C4, 99%)

N-PALMITOYL-D-SPHINGOSINE (CERAMIDE d18:1/16:0) (PALMITOYL-U-13C16, 99%) (95% CHEMICAL PURITY)

(+/-)-PANTOPRAZOLE, SODIUM SALT: SESQUI- HYDRATE (PYRIDYL-4-METHOXY-13C, 98%)

PHENACETIN (ETHOXY-1-13C, 99%)

PHENOBARBITAL (2,4,5-13C3, 90%)

PHENOBARBITAL (ETHYL-D5, 98%)

N-PHENYL-1-NAPTHYLAMINE (PHENYL-13C6, 98%)

N-PHENYL-2-NAPTHYLAMINE (PHENYL-13C6, 98%)

PHENYLACETIC ACID (PHENYL-D5, 98%)

POTASSIUM PHOSPHOENOL PYRUVATE (3-13C, 99%)

POTASSIUM PHOSPHOENOL PYRUVATE (2,3-13C2, 99%)

POTASSIUM PHOSPHOENOL PYRUVATE (2-13C, 99%)

PRIMIDONE (ETHYL-D5, 98%) 100 UG/ML IN METHANOL

PROBUCOL (PROPYL-13C3, 99%) CHEMICAL PURITY 96%

PROPIONIC ACID (1-13C, 99%)

PROPIONIC ACID (13C3, 99%)

PROPIONIC ACID (D6, 98%)

PROPIONIC ACID (2,2-D2, 98%)

PROPIONIC ACID (D5, 98%)

PROPIONIC ACID (METHYL-D3, 98%)

PYRUVIC ACID (1-13C, 99%)

PYRUVIC ACID (2-13C, 99%) CHEMICAL PURITY 95%

RAPAMYCIN (D3, 98%)

RESORUFIN (D6, 98%) CHEMICAL PURITY 96%

D-RIBOSE (U-13C5, 98%)

SEROTONIN CREATININE SULFATE COMPLEX (A,A,B,B-D4, 98%)

SODIUM ACETATE (2-13C, 99% D3, 98%)

SODIUM ACETATE (1,2-13C2, 99% D3, 98%)

SODIUM ACETATE (1-13C, 99%) MICROBIOLOGICAL/PYROGEN TESTED

SODIUM ACETATE (1-13C, 99%)

SODIUM ACETATE (1-13C, 99% D3, 98%)

SODIUM ACETATE (D3, 99%)

SODIUM ACETATE (18O2, 95%)

SODIUM ACETATE (2-13C, 99%)

SODIUM ACETATE (2-13C, 99%) MICROBIOLOGICAL/PYROGEN TESTED

SODIUM ACETATE (1,2-13C2, 99%)

SODIUM ACETATE (1,2-13C2, 99%)MICROBIOLOGICAL/PYROGEN TESTED

SODIUM ACETATE - 13C DEPLETED (1,2-12C2, 99.95%)

SODIUM BICARBONATE (13C, 99%) 97%+ CHEMICAL PURITY

SODIUM BICARBONATE (13C, 99%) MICROBIOLOGICAL/PYROGEN TESTED

SODIUM BUTYRATE (1-13C, 99%)

SODIUM BUTYRATE (3,3,4,4,4-D5, 98%)

SODIUM D-3-HYDROXYBUTYRATE (13C4, 99%) 97% CHEMICAL PURITY

SODIUM D-3-HYDROXYBUTYRATE (2,4-13C2, 99%)

SODIUM D-3-HYDROXYBUTYRATE (2,4-13C2, 99%) MICROBIOLOGICAL/PYROGEN TESTED

SODIUM DICHLOROACETATE (13C2, 99%)

SODIUM DL-3-HYDROXYBUTYRATE (D4, 98%) CP 95% 1 MG/ML IN WATER

SODIUM FORMATE (13C, 99%)

SODIUM FORMATE (18O2, 95%)

SODIUM ISOPROPYL CARBONATE (CARBONYL-13C, 99%)

SODIUM L-LACTATE (1-13C, 99%) 20% W/W IN H2O

SODIUM L-LACTATE (3-13C, 98%) 20% W/W IN H2O

SODIUM L-LACTATE (13C3, 98%) 20% W/W IN H2O

SODIUM L-LACTATE (13C3, 98%)

SODIUM L-LACTATE (MICROBIOLOGICAL/PYROGEN TESTED) (13C3, 98%) 20% W/W IN H2O

SODIUM L-LACTATE 20% W/W IN H2O (1-13C, 99%) MICROBIOLOGICAL/PYROGEN TESTED

SODIUM L-LACTATE 20% W/W IN H2O (3-13C, 98%) MICROBIOLOGICAL/PYROGEN TESTED

SODIUM PROPIONATE (1-13C, 99%)

SODIUM PROPIONATE (1-13C, 99%) MICROBIOLOGICAL/PYROGEN TESTED

SODIUM PROPIONATE (2-13C, 99%)

SODIUM PROPIONATE (13C3, 99%)

SODIUM PROPIONATE (2,3-13C2, 99%)

SODIUM PROPIONATE (3-13C, 99%)

SODIUM PROPIONATE (D5, 98%)

SODIUM PYRUVATE (1-13C, 99%)

SODIUM PYRUVATE (3-13C, 99%)

SODIUM PYRUVATE (13C3, 99%)

SODIUM PYRUVATE (2-13C, 99%)

SODIUM PYRUVATE (D3, 97-98%)

SODIUM PYRUVATE (2,3-13C2, 99%)

SUCCINIC ACID (2,3-13C2, 99%)

SUCCINIC ACID (13C4, 99% 2,2,3,3-D4, 98%)

SUCCINIC ACID (13C4, 99%)

SUCCINIC ACID (1,4-13C2, 99%)

SUCCINIC ACID (D6, 98%)

SUCCINIC ACID (13C4, 99%)

SUCCINIC ACID (D4, 98%)

SUCCINIC ACID, DISODIUM SALT (D4, 75%)

N-TAU-METHYLHISTAMINE:2HCL (N-METHYL-D3, 98%)

TAURINE (1,2-13C2, 98%)

TAURINE (D4, 98%) 95% CHEMICAL PURITY

TAURINE (13C2, 99%, 15N, 98%)

TEMOZOLOMIDE (METHYL-13C, 99%)

TOXOFLAVIN (3,4A,5,8A-13C4, 98%) CP 95%

CIS-(+/-)-TRAMADOL:HCL (METHOXY-13C, 99%)

TRYPTAMINE (A,A,B,B-D4, 97%)

TYRAMINE:HCL (1,1,2,2-D4, 98%)

URACIL (1,3-15N2, 98%)

UREA (18O, 95%)

UREA (13C, 99%) MICROBIOLOGICAL/PYROGEN TESTED

UREA (15N2, 98%+)

UREA (15N2, 10%)

UREA (15N2, 98%+) MICROBIOLOGICAL/PYROGEN TESTED

UREA (D4, 98%)

UREA (13C, 99% 15N2, 99% 18O, 99%)

UREA (13C, 99% 18O, 98%)

UREA (13C, 99% 15N2, 98%+)

UREA (GMP GRADE) (13C, 99%)

URIC ACID (2-13C, 98%, 1,3,7-15N3, 98%), CP 95%+

VALPROIC ACID (D15, 98%)

VALPROIC ACID (4,4,4',4'-D4, 98%)

VALPROIC ACID (1,2,3,3'-13C4, 99%)

VITAMIN B12 (CYANOCOBALAMIN) 95% CHEMICAL PURITY (13C7, 99%) 1 UG/ML IN METHANOL

VITAMIN B12 (CYANOCOBALAMIN) UNLABELED 1 UG/ML IN METHANOL

VITAMIN B2 (RIBOFLAVIN) (13C4, 99% 15N2, 98%) CHEM PURITY >97%

VITAMIN B2 PHOSPHATE (RIBOFLAVIN PHOSPHATE) (13C4, 99%, 15N2, 98%) CHEM PURITY >90%

VITAMIN D2 SULFATE, SODIUM SALT 97% CP UNLABELED 100 UG/ML IN ETHANOL

VITAMIN D2 SULFATE, SODIUM SALT 97% CP (6,19,19-D3, 98%) 100 UG/ML IN ETHANOL

VITAMIN D3 SULFATE, SODIUM SALT 97% CP UNLABELED 100 UG/ML IN ETHANOL

VITAMIN D3 SULFATE, SODIUM SALT 97% CP (6,19,19-D3, 98%) 100 UG/ML IN ETHANOL

VITAMIN H (BIOTIN) (3',3',4',4'-D4, 98%) 95% CHEMICAL PURITY

XANTHINE (1,3-15N2, 98%+) 90% PURE

YOHIMBINE (METHYL-13C, 99%, METHYL-D3 ESTER, 98%)