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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

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
5

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
6

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
7

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
8

Dabigatran-d4 hydrochloride, MedChemExpress

MedChemExpress Dabigatran (BIBR-953) D4 hydrochloride is deuterium labeled Dabigatran, which is a reversible and selective, direct thrombin inhibitor (DTI) with a Ki value of 4.5 nM.

ENCOMPASS_PREFERRED
9

VD2-d3, MedChemExpress

MedChemExpress VD2-d3 is the deuterium labeled vitamin D2.

ENCOMPASS_PREFERRED
Molecular Weight (g/mol) 399.67
Color White
Physical Form Solid
Chemical Name or Material VD2-d3
Grade Research
SMILES O[C@@H](CCC/1=C([2H])\[2H])CC1=C([2H])\C=C2[C@@](CC[C@@H]3[C@@H](/C=C/[C@H](C)C(C)C)C)([H])[C@]3(C)CCC\2
For Use With (Application) Metabolism-sugar/lipid metabolism
Percent Purity 95.46%
CAS 1217448-46-8
Solubility Information DMSO : 20 mg/mL (50.04 mM; ultrasonic and warming and heat to 80°C)
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 C28H41D3O
Formula Weight 399.67
10

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_PREFERRED
Percent Purity 98.0%
Molecular Weight (g/mol) 729.68
Color White
Physical Form Powder
Chemical Name or Material Hydroxy Itraconazole-d8
Grade Research
SMILES O=C1N(C(C([2H])([2H])[2H])([2H])C(O)([2H])C([2H])([2H])[2H])N=CN1C2=CC=C(N3CCN(C4=CC=C(OCC5OC(CN6N=CN=C6)(C7=CC=C(Cl)C=C7Cl)OC5)C=C4)CC3)C=C2
Synonym R-63373-d8
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 C35H30D8Cl2N8O5
Formula Weight 729.68
11

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
12

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
13

Cycloguanil-d6, MedChemExpress

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

ENCOMPASS_PREFERRED
14

1alpha, 25-Dihydroxy VD2-d6, MedChemExpress

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

ENCOMPASS_PREFERRED ENCOMPASS
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
15

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
Molecular Weight (g/mol) 362.87
Color Light Nude
Physical Form Powder
Chemical Name or Material Etoricoxib-d4
Grade Research
SMILES ClC(C=N1)=CC(C2=C([2H])C([2H])=C(S(C)(=O)=O)C([2H])=C2[2H])=C1C3=CN=C(C)C=C3
Percent Purity 99.35%
CAS 1131345-14-6
Synonym MK-0663-d4 L-791456-d4
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 C18H11D4ClN2O2S
Formula Weight 362.87