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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

MMAF-d8 hydrochloride, MedChemExpress

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

ENCOMPASS_PREFERRED
Molecular Weight (g/mol) 776.47
Color Off-White
Physical Form Solid
Chemical Name or Material MMAF-d8 hydrochloride
Grade Research
SMILES CC[C@H](C)[C@@H]([C@@H](CC(N1[C@@H](CCC1)[C@@H]([C@@H](C)C(N[C@H](C(O)=O)CC2=CC=CC=C2)=O)OC)=O)OC)N(C([C@@](C([2H])(C([2H])([2H])[2H])C([2H])([2H])[2H])([2H])NC([C@H](C(C)C)NC)=O)=O)C.Cl
For Use With (Application) Cancer-programmed cell death
Percent Purity 98.97%
Solubility Information DMSO : 100 mg/mL (128.79 mM; Need ultrasonic)
Purity Grade Notes Research
Recommended Storage 4°C, sealed storage, away from moisture∣The compound is unstable in solutions, freshly prepared is recommended.
Shelf Life 4°C, sealed storage, away from moisture∣The compound is unstable in solutions, freshly prepared is recommended.
Molecular Formula C39H58D8ClN5O8
Formula Weight 776.47
5

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_PREFERRED
Molecular Weight (g/mol) 529.48
Color Blue
Physical Form Solid
Chemical Name or Material Banoxantrone-d12 dihydrochloride
Grade Research
SMILES O=N(C([2H])([2H])[2H])(C([2H])([2H])[2H])CCNC1=CC=C(NCCN(C([2H])([2H])[2H])(C([2H])([2H])[2H])=O)C(C(C2=C(O)C=CC(O)=C23)=O)=C1C3=O.Cl.Cl
For Use With (Application) Cancer-programmed cell death
Percent Purity 98.02%
CAS 1562066-98-1
Synonym AQ4N-d12 dihydrochloride
Purity Grade Notes Research
Recommended Storage 4°C, sealed storage, away from moisture∣In solvent : -80°C, 6 months∣-20°C, 1 month (sealed storage, away from moisture)
Shelf Life 4°C, sealed storage, away from moisture∣In solvent : -80°C, 6 months∣-20°C, 1 month (sealed storage, away from moisture)
Molecular Formula C22H18D12Cl2N4O6
Formula Weight 529.48
6

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
7

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
Molecular Weight (g/mol) 390.67
Color Light Yellow
Physical Form Solid
Chemical Name or Material VD3-d6
Grade Research
SMILES O[C@@H](CCC/1=C)CC1=C\C=C2[C@@](CC[C@@H]3[C@@H](CCCC(C([2H])([2H])[2H])C([2H])([2H])[2H])C)([H])[C@]3(C)CCC\2
For Use With (Application) Neuroscience-Neuromodulation
Percent Purity 98.0%
CAS 118584-54-6
Solubility Information DMSO : 100 mg/mL (255.97 mM; Need ultrasonic)
Synonym Vitamin D3-26,26,26,27,27,27-d6
Purity Grade Notes Research
Recommended Storage -20°C, protect from light, stored under nitrogen∣The compound is unstable in solutions, freshly prepared is recommended.
Shelf Life -20°C, protect from light, stored under nitrogen∣The compound is unstable in solutions, freshly prepared is recommended.
Molecular Formula C27H38D6O
Formula Weight 390.67
8

25-Hydroxy VD2-d6, MedChemExpress

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

ENCOMPASS_PREFERRED
Molecular Weight (g/mol) 418.68
Color White
Physical Form Solid
Chemical Name or Material 25-Hydroxy VD2-d6
Grade Research
SMILES O[C@@H](CCC/1=C)CC1=C\C=C2[C@@](CC[C@@H]3[C@@H](/C=C/[C@H](C)C(C([2H])([2H])[2H])(C([2H])([2H])[2H])O)C)([H])[C@]3(C)CCC\2
Percent Purity 98.96%
CAS 1262843-46-8
Solubility Information DMSO : 100 mg/mL (238.85 mM; Need ultrasonic)
Purity Grade Notes Research
Recommended Storage 4°C, protect from light, stored under nitrogen∣In solvent : -80°C, 6 months∣-20°C, 1 month (protect from light, stored under nitrogen)
Shelf Life 4°C, protect from light, stored under nitrogen∣In solvent : -80°C, 6 months∣-20°C, 1 month (protect from light, stored under nitrogen)
Molecular Formula C28H38D6O2
Formula Weight 418.68
9

Calcifediol-d6, MedChemExpress

MedChemExpress Calcifediol-d6 is the deuterium labeled Calcifediol. Calcifediol, a major circulating metabolite of vitamin D3, is a potent VDR inhibitor.

ENCOMPASS_PREFERRED
Molecular Weight (g/mol) 406.67
Color White
Physical Form Solid
Chemical Name or Material Calcifediol-d6
Grade Research
SMILES O[C@@H](CCC/1=C)CC1=C\C=C2[C@@](CC[C@@H]3[C@@H](CCCC(C([2H])([2H])[2H])(C([2H])([2H])[2H])O)C)([H])[C@]3(C)CCC\2
For Use With (Application) Metabolism-sugar/lipid metabolism
Percent Purity 98.0%
CAS 78782-98-6
Purity Grade Notes Research
Recommended Storage -20°C, protect from light, stored under nitrogen∣In solvent : -80°C, 6 months∣-20°C, 1 month (protect from light, stored under nitrogen)
Shelf Life -20°C, protect from light, stored under nitrogen∣In solvent : -80°C, 6 months∣-20°C, 1 month (protect from light, stored under nitrogen)
Molecular Formula C27H38D6O2
Formula Weight 406.67
10

Cycloguanil-d6, MedChemExpress

MedChemExpress Cycloguanil D6 is the deuterium labeled Cycloguanil, which is a dihydrofolate reductase inhibitor.

ENCOMPASS_PREFERRED
11

1alpha, 25-Dihydroxy VD2-d6, MedChemExpress

MedChemExpress 1alpha, 25-Dihydroxy VD2-D6 is a deuterated form of vitamin D.

ENCOMPASS ENCOMPASS_PREFERRED
CAS 216244-04-1
Molecular Weight (g/mol) 434.68
Chemical Name or Material 1alpha, 25-Dihydroxy VD2-d6
Grade Research
SMILES O[C@H](C/1=C)C[C@H](O)CC1=C\C=C2[C@@](CC[C@@H]3[C@@H](/C=C/[C@H](C)C(C([2H])([2H])[2H])(C([2H])([2H])[2H])O)C)([H])[C@]3(C)CCC\2
Purity Grade Notes Research
Recommended Storage Please store the product under the recommended conditions in the Certificate of Analysis.
Shelf Life Please store the product under the recommended conditions in the Certificate of Analysis.
For Use With (Application) Metabolism-sugar/lipid metabolism
Molecular Formula C28H38D6O3
Formula Weight 434.68
12

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
13

Proguanil-d6, MedChemExpress

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

ENCOMPASS_PREFERRED
14

Nepafenac-d5, MedChemExpress

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

ENCOMPASS_PREFERRED
Molecular Weight (g/mol) 259.31
Color Yellow
Physical Form Solid
Chemical Name or Material Nepafenac-d5
Grade Research
SMILES O=C(C1=C([2H])C([2H])=C([2H])C([2H])=C1[2H])C2=CC=CC(CC(N)=O)=C2N
Percent Purity 98.0%
CAS 1246814-53-8
Solubility Information DMSO : ≥ 100 mg/mL (385.64 mM)
Synonym AHR-9434-d5 AL-6515-d5
Purity Grade Notes Research
Recommended Storage Powder -20°C 3 years, 4°C 2 years∣In solvent -80°C 6 months, -20°C 1 month
Shelf Life Powder -20°C 3 years, 4°C 2 years∣In solvent -80°C 6 months, -20°C 1 month
Molecular Formula C15H9D5N2O2
Formula Weight 259.31
15

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
Molecular Weight (g/mol) 422.67
Color White
Physical Form Solid
Chemical Name or Material Paricalcitol-d6
Grade Research
SMILES C[C@]([C@@H]([C@@H](/C=C/[C@@H](C(C([2H])([2H])[2H])(C([2H])([2H])[2H])O)C)C)CC1)(CCC/2)[C@@]1(C2=C\C=C3C[C@H](C[C@@H](C/3)O)O)[H]
For Use With (Application) Metabolism-sugar/lipid metabolism
Percent Purity 99.64%
CAS 2070009-67-3
Solubility Information DMSO : 100 mg/mL (236.59 mM; Need ultrasonic)
Purity Grade Notes Research
Recommended Storage Powder -20°C 3 years, 4°C 2 years∣In solvent -80°C 6 months, -20°C 1 month
Shelf Life Powder -20°C 3 years, 4°C 2 years∣In solvent -80°C 6 months, -20°C 1 month
Molecular Formula C27H38D6O3
Formula Weight 422.67