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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

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
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

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
8

Calcitriol-d6, MedChemExpress

MedChemExpress Calcitriol-d6 is the deuterium labeled Calcitriol. Calcitriol is the active metabolite of vitamin D3 that activates the vitamin D receptor (VDR).

ENCOMPASS_PREFERRED
9

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_PREFERRED
Molecular Weight (g/mol) 323.36
Color White
Physical Form Solid
Chemical Name or Material Mycophenolic acid-d3
Grade Research
SMILES O=C(OC1)C2=C1C(C)=C(OC([2H])([2H])[2H])C(C/C=C(C)/CCC(O)=O)=C2O
Percent Purity 98.0%
CAS 1185242-90-3
Synonym Mycophenolate-d3
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 C17H17D3O6
Formula Weight 323.36
10

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_PREFERRED
Molecular Weight (g/mol) 264.23
Color Light Yellow
Physical Form Solid
Chemical Name or Material PSI-6206 13C,d3
Grade Research
SMILES OC[C@@H]1[C@H]([C@@]([13C]([2H])([2H])[2H])(F)[C@H](N2C(NC(C=C2)=O)=O)O1)O
Percent Purity 98.0%
CAS 1256490-42-2
Synonym RO-2433 13C,d3 GS-331007 13C,d3 Sofosbuvir metabolite GS-331007 13C,d3
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 C9 13CH10D3FN2O5
Formula Weight 264.23
11

Omeprazole-d3, MedChemExpress

MedChemExpress Omeprazole-d3 (H 16868-d3) is deuterium labeled Omeprazole. Omeprazole, a proton pump inhibitor (PPI), is available for treatment of acid-related gastrointestinal disorders. Omeprazole shows competitive inhibition of CYP2C19 activity with a Ki of 2 to 6 μM. Omeprazole also inhibits growth of Gram-positive and Gram-negative bacteria.

ENCOMPASS_PREFERRED
12

Nitazoxanide-d4, MedChemExpress

MedChemExpress Nitazoxanide D4 (NTZ D4) is the deuterium labeled Nitazoxanide, which is an antiprotozoal agent.

ENCOMPASS_PREFERRED
Molecular Weight (g/mol) 311.31
Color Off-White
Physical Form Solid
Chemical Name or Material Nitazoxanide-d4
Grade Research
SMILES O=C(NC1=NC=C([N+]([O-])=O)S1)C2=C(OC(C)=O)C([2H])=C([2H])C([2H])=C2[2H]
Percent Purity 98.0%
CAS 1246819-17-9
Synonym NTZ-d4 NSC-697855-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 C12H5D4N3O5S
Formula Weight 311.31
13

Pyridostigmine-d6 bromide, MedChemExpress

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

ENCOMPASS_PREFERRED
Molecular Weight (g/mol) 267.15
Color White
Physical Form Solid
Chemical Name or Material Pyridostigmine-d6 bromide
Grade Research
SMILES O=C(N(C([2H])([2H])[2H])C([2H])([2H])[2H])OC1=CC=C[N+](C)=C1.[Br-]
Percent Purity 98.0%
CAS 2375858-08-3
Solubility Information DMSO : 50 mg/mL (187.16 mM; Need ultrasonic)
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 C9H7D6BrN2O2
Formula Weight 267.15
14

Midodrine D6 hydrochloride, MedChemExpress

MedChemExpress Midodrine D6 hydrochloride is deuterium labeled Midodrine, which is a vasopressor/antihypotensive agent.

ENCOMPASS_PREFERRED
15

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