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Pharmaceuticals

We offer an extensive range of isotopically labelled reference standards for pharmaceutical and veterinary research, analysis and screening. The range includes isotopically labelled reference standards of Active pharmaceutical ingredients, Metabolite and impurity products, Degradation products and process impurities, Inhibitor and receptor compounds, Genotoxic impurities and related substances for pharmacopeial updates.
Please don’t hesitate to contact us if you are unable to find the stable isotope that you need and we'll be delighted to check on its availability.

Alphabetical Alphabetical Reversed Latest Popularity
L-Homoarginine-d4 Dihydrochloride, neat

L-Homoarginine-d4 Dihydrochloride, neat

Code: QX170354
MW: 192.26 +2(36.46)Formula: C7H12D4N4O2 • 2HCl
Valacyclovir-d4, Hydrochloride, neat

Valacyclovir-d4, Hydrochloride, neat

Code: QX170352
MW: 364.82Formula: C13H17D4ClN6O4
L-Citrulline-d6, neat

L-Citrulline-d6, neat

Code: QX170351
MW: 181.22Formula: C6H7D6N3O3
Valsartan-d3, neat

Valsartan-d3, neat

Code: QX170350
MW: 438.54Formula: C24H26D3N5O3
Ethyl-d5 Vanillin, neat

Ethyl-d5 Vanillin, neat

Code: QX170381
MW: 171.2Formula: C9H5D5O3
NG,NG’-Dimethyl-L-arginine-d6, neat

NG,NG’-Dimethyl-L-arginine-d6, neat

Code: QX170345
MW: 208.29Formula: C8H12D6N4O2
Entecavir-13C2,15N, neat

Entecavir-13C2,15N, neat

Code: QX170299
MW: 280.26Formula: C1013C2H15N415NO3
5-Hydroxy Buspirone-d8, neat

5-Hydroxy Buspirone-d8, neat

Code: QX170311
MW: 409.55Formula: C21H23D8N5O3
Pravastatin-d3 Sodium Salt (major), neat

Pravastatin-d3 Sodium Salt (major), neat

Code: QX170307
MW: 449.53Formula: C23H32D3NaO7
cis-Mefentanyl-d3 Hydrochloride Salt, neat

cis-Mefentanyl-d3 Hydrochloride Salt, neat

Code: QX170302
MW: 353.52 + (36.46)Formula: C23H27D3N2O . HClControlled Product - This is a controlled substance and requires licensing. We will require a copy of your license or exemption a...
cis-ent-Tadalafil-d3, neat

cis-ent-Tadalafil-d3, neat

Code: QX170301
MW: 392.42Formula: C22H16D3N3O4
Acetyl Isoniazid-d4, neat

Acetyl Isoniazid-d4, neat

Code: QX170313
MW: 183.2Formula: C8H5D4N3O2