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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 46 results
4

Eldecalcitol-d6, MedChemExpress

MedChemExpress Eldecalcitol-d6 is the deuterium labeled Eldecalcitol. Eldecalcitol is an orally active analogue of active vitamin D used in the treatment of osteoporosis.

ENCOMPASS_PREFERRED
5

Fexofenadine-d6, MedChemExpress

MedChemExpress Fexofenadine D6 (MDL-16455 D6) is deuterium labeled is Fexofenadine, which is an antihistamine pharmaceutical agent.

ENCOMPASS_PREFERRED
Percent Purity 98.0%
CAS 548783-71-7
Molecular Weight (g/mol) 507.69
Molecular Formula C32H33D6NO4
6

Azilsartan-d5, MedChemExpress

MedChemExpress Azilsartan D5 (TAK-536 D5) is the deuterium labeled Azilsartan(TAK-536), which is a specific and potent angiotensin II type 1 receptor antagonist.

ENCOMPASS_PREFERRED
Percent Purity 98.0%
CAS 1346599-45-8
Molecular Weight (g/mol) 461.48
Molecular Formula C25H15D5N4O5
7

(±)-Levomepromazine-d6, MedChemExpress

MedChemExpress (±)-Levomepromazine D6 ((±)-Methotrimeprazine D6) is the deuterium labeled Methotrimeprazine, which is a D3 dopamine and Histamine H1 receptor antagonist.

ENCOMPASS_PREFERRED
8

MMAD-d8, MedChemExpress

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

ENCOMPASS_PREFERRED
Percent Purity 99.12%
Molecular Weight (g/mol) 779.11
Molecular Formula C41H58D8N6O6S
9

Sofosbuvir-d6, MedChemExpress

MedChemExpress Sofosbuvir D6 (PSI-7977 D6) is the deuterium labeled Sofosbuvir. Sofosbuvir (PSI-7977) is an active inhibitor of HCV RNA replication in the HCV replicon assay, demonstrates potent anti-hepatitis C virus (HCV) activity.

ENCOMPASS_PREFERRED
Percent Purity 95.0%
CAS 1868135-06-1
Molecular Weight (g/mol) 535.49
Molecular Formula C22H23D6FN3O9P
10

Enalaprilat D5, MedChemExpress

MedChemExpress Enalaprilat D5 (MK-422 D5) is the deuterium labeled Enalaprilat(MK-422), which is an angiotensin-converting enzyme (ACE) inhibitor.

ENCOMPASS_PREFERRED
11

Nepafenac-d5, MedChemExpress

MedChemExpress Nepafenac D5 (AHR-9434 D5) is the deuterium labeled Nepafenac, which is a selective COX-2 inhibitor.

ENCOMPASS_PREFERRED
Percent Purity 98.0%
CAS 1246814-53-8
Molecular Weight (g/mol) 259.31
Molecular Formula C15H9D5N2O2
12

Paricalcitol-d6, MedChemExpress

MedChemExpress Paricalcitol-d6 is the deuterium labeled Paricalcitol. Paricalcitol is a drug used for the prevention and treatment of secondary hyperparathyroidism (excessive secretion of parathyroid hormone) associated with chronic renal failure.

ENCOMPASS_PREFERRED
Percent Purity 99.64%
CAS 2070009-67-3
Molecular Weight (g/mol) 422.67
Molecular Formula C27H38D6O3
13

Proguanil-d6, MedChemExpress

MedChemExpress Proguanil D6 is the deuterium labeled Proguanil, which is a prophylactic antimalarial drug.

ENCOMPASS_PREFERRED
14

Alfacalcidol-d6, MedChemExpress

MedChemExpress Alfacalcidol-d6 is the deuterium labeled Alfacalcidol. Alfacalcidol is a non-selective VDR activator.

ENCOMPASS_PREFERRED
Percent Purity 98.0%
CAS 1641940-94-4
Molecular Weight (g/mol) 406.67
Molecular Formula C27H38D6O2
15

Irbesartan-d4, MedChemExpress

MedChemExpress Irbesartan D4 is the deuterium labeled Irbesartan, which is a highly potent and specific angiotensin II type 1 (AT1) receptor antagonist.

ENCOMPASS_PREFERRED