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Isotope Standards

Isotope Standards

Compounds (solids, liquids, gasses) with well-defined isotopic compositions that act as the ultimate sources of accuracy in mass spectrometric measurements of isotope ratios.
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1 – 15 of 32 results
3

Banoxantrone-d12 dihydrochloride, MedChemExpress

MedChemExpress Banoxantrone-d12 (AQ4N-d12) dihydrochloride is the deuterium labeled Banoxantrone dihydrochloride. Banoxantrone is a novel bioreductive agent that can be reduced to a stable, DNA-affinic compound AQ4, which is a potent topoisomerase II inhibitor.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity 98.02%
CAS 1562066-98-1
Molecular Weight (g/mol) 529.48
Molecular Formula C22H18D12Cl2N4O6
4

Netupitant-d6, MedChemExpress

MedChemExpress Netupitant D6 is the deuterium labeled Netupitant (CID-6451149), which is a highly potent and selective, orally active neurokinin-1 (NK1) receptor antagonist.

ENCOMPASS_PREFERRED
5

MMAF-d8 hydrochloride, MedChemExpress

MedChemExpress D8-MMAF hydrochloride is a deuterated form of MMAF hydrochloride, which is a microtubule disrupting agent.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity 98.97%
Molecular Weight (g/mol) 776.47
Molecular Formula C39H58D8ClN5O8
6

VD3-d6, MedChemExpress

MedChemExpress VD3-d6 (Vitamin D3-26,26,26,27,27,27-d6) is the deuterium labeled Vitamin D3; tools for determination of Vitamin D3 metabolites in human serum.

ENCOMPASS_PREFERRED
Percent Purity 98.0%
CAS 118584-54-6
Molecular Weight (g/mol) 390.67
Molecular Formula C27H38D6O
7

Etoricoxib-d4, MedChemExpress

MedChemExpress Etoricoxib D4 (MK-0663 D4) is a deuterium labeled Etoricoxib. Etoricoxib is a non steroidal anti-inflammatory agent, acting as a selective and orally active COX-2 inhibitor, with IC50s of 1.1 μM and 116 μM for COX-2 and COX-1 in human whole blood.

ENCOMPASS_PREFERRED
Percent Purity 99.35%
CAS 1131345-14-6
Molecular Weight (g/mol) 362.87
Molecular Formula C18H11D4ClN2O2S
8

MMAE-d8, MedChemExpress

MedChemExpress MMAE-d8 (Monomethyl auristatin E-d8) is a deuterated labeled MMAE, a potent mitotic inhibitor and a tubulin inhibitor.

ENCOMPASS
Percent Purity 98.43%
CAS 2070009-72-0
Molecular Weight (g/mol) 726.03
Molecular Formula C39H59D8N5O7
9

Candesartan-d4, MedChemExpress

MedChemExpress Candesartan D4 (CV-11974 D4) is the deuterium labeled Candesartan, which is an angiotensin II receptor antagonist.

ENCOMPASS
Percent Purity 98.85%
CAS 1346604-70-3
Molecular Weight (g/mol) 444.48
Molecular Formula C24H16D4N6O3
10

25-Hydroxy VD2-d6, MedChemExpress

MedChemExpress 25-Hydroxy VD2-d6 is the deuterium labeled 25-Hydroxy VD2.

ENCOMPASS_PREFERRED
Percent Purity 98.96%
CAS 1262843-46-8
Molecular Weight (g/mol) 418.68
Molecular Formula C28H38D6O2
11

Hydroxy Itraconazole-d8, MedChemExpress

MedChemExpress Hydroxy Itraconazole D8 is the deuterium labeled Hydroxy Itraconazole. Hydroxy Itraconazole is an active metabolite of Itraconazole (ITZ), which is a triazole antifungal agent.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity 98.0%
Molecular Weight (g/mol) 729.68
Molecular Formula C35H30D8Cl2N8O5
12

VD2-d3, MedChemExpress

MedChemExpress VD2-d3 is the deuterium labeled vitamin D2.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity 95.46%
CAS 1217448-46-8
Molecular Weight (g/mol) 399.67
Molecular Formula C28H41D3O
13

PSI-6206 13C,d3, MedChemExpress

MedChemExpress PSI-6206 13CD3 is the deuterium labeled PSI-6206. PSI-6206 is the deaminated derivative of PSI-6130, which is a potent and selective inhibitor of HCV NS5B polymerase. PSI-6206 low potently inhibits HCV replicon with EC90 of >100 μM.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity 98.0%
CAS 1256490-42-2
Molecular Weight (g/mol) 264.23
Molecular Formula C9 13CH10D3FN2O5
14

Pyridostigmine-d6 bromide, MedChemExpress

MedChemExpress Pyridostigmine D6 bromide is the deuterium labeled Pyridostigmine, which is a parasympathomimetic and a reversible cholinesterase inhibitor.

ENCOMPASS_PREFERRED
Percent Purity 98.0%
CAS 2375858-08-3
Molecular Weight (g/mol) 267.15
Molecular Formula C9H7D6BrN2O2
15

Mycophenolic acid-d3, MedChemExpress

MedChemExpress Mycophenolic acid D3 (Mycophenolate D3) is deuterium labeled Mycophenolic acid, which is an an immunosuppresant drug and has potent anti-proliferative activity.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity 98.0%
CAS 1185242-90-3
Molecular Weight (g/mol) 323.36
Molecular Formula C17H17D3O6