Isotopically Labeled Compounds
American Radiolabeled Chemicals Inc FOLIC ACID NA SALT-3H 250UC
Folic acid, sodium salt-3,5,7,9-3H 250uCi in ethanol:water (1:1), 1 mCi/ml, S.A. 20-70 Ci/mmol, M.W. 441.4, Shipped in Dry Ice
Sigma Aldrich Fine Chemicals Biosciences Methanol-D4 | 811-98-3 | MFCD00044637 | 10x0.5ml
Methanol-D4 | Purity: 99% | Mol Wt: 36.07 | 811-98-3 | MFCD00044637 | 10x0.5ml
Sigma Aldrich Fine Chemicals Biosciences D-Glucose-13C6 >=99 atom % 13C, >=99% (CP) | 110187-42-3 | MFCD00037544 | 10G
D-Glucose-13C6 >=99 atom % 13C, >=99% (CP) | Purity: >=99% (CP) | Mol Wt: 186.11 | 110187-42-3 | MFCD00037544 | 10G
Medchemexpress LLC N-methylacetamide-d1 | 3669-70-3 | MFCD03428088 | 99.4% | 74.10 g/mol | C3H6DNO | 50 MG
N-methylacetamide-d1 is the deuterium-labeled analogue of N-methylacetamide provided as an analytical reagent for use as an internal standard or tracer in spectroscopic and mass-spectrometric assays. Supplied as a high-purity isotopically labeled material, it is intended for laboratory research applications and quantitative analyses.
- Deuterium-labeled (d1) isotopologue for accurate mass spectral quantification.
- High purity (>99%) for reliable analytical performance.
- Available in small milligram quantities suitable for tracer studies.
- Stable under recommended storage conditions for extended shelf life.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS analyses.
Medchemexpress LLC Adipic acid-d10 | 25373-21-1 | MFCD00190459 | 99.9% | 156.20 g/mol | C6D10O4 | 10 MG
Adipic acid-d10 (hexanedioic acid-d10) is the deuterated isotopologue of adipic acid used as a tracer and internal standard for quantitative analytical workflows. Supplied as a high-purity powder, it is intended for research applications requiring mass or NMR differentiation and includes recommended storage conditions for powder and solutions.
- High isotopic labeling enables clear mass spectrometric distinction.
- Purity 99.93% supports accurate quantitation.
- Suitable as a tracer and internal standard for NMR, GC-MS, and LC-MS.
- Available in small reference pack sizes for analytical use.
- Powder and solvent storage recommendations help preserve stability.
Medchemexpress LLC Glutaric acid-d6 | 154184-99-3 | 98.0% | 138.15 | 5 MG
Glutaric acid-d6 is the deuterium-labeled form of Glutaric acid. Glutaric acid is an intermediate in the catabolic pathways of lysine and tryptophan. It affects pericyte contractility and migration and is an indicator of glutaric aciduria type I. This compound is intended for research use only and is not sold to patients.
- Can be utilized as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuterium substitution may impact pharmacokinetic and metabolic profiles.
Medchemexpress LLC Urea-d3, methyl-d3- | 56683-43-3 | 96.8% | 80.12 g/mol | C2D6N2O | 10 MG
1-Methylureal-d6 is the deuterium-labeled analogue of 1-methylurea, provided as an isotopic reference standard for analytical applications such as mass spectrometry and tracer studies. It offers defined isotopic enrichment to support accurate quantitation and method development.
- Purity 96.8% (HPLC).
- Isotopic enrichment 96.7%.
- Molecular formula C2D6N2O.
- Molecular weight 80.12 g/mol.
- Appearance white to off-white solid.
- Storage: powder -20°C (3 years); in solvent -80°C (6 months), -20°C (1 month).
- Typical pack size 10 mg.
Cayman Chemical S-AdenosylhomocysteIn-d4 5mg
An internal standard for the quantification of SAH by GC- or LC-MS
Sigma Aldrich Fine Chemicals Biosciences Sodium formate-13C 99 atom1G
SODIUM Sodium formate-13C 99 atom1G
Sigma Aldrich Fine Chemicals Biosciences Cyclohexane-d12 99.6 atom10G
Cyclohexane-d12 a deuterated cyclohexane is a standard purity solvent useful for routine NMR (Nuclear Magnetic Resonance) studies. Its infrared (vapor and liquid phase in the range of 376-4000cm-1) and Raman (liquid phase) spectral investigations have been reported. Ring inversion of cyclohexane-d12 has been studied by recording its deuterium NMR spectrum in the temperature range -36 to 115C. It can be prepared by reacting benzene-d6 and deuterium.
Medchemexpress LLC Guanidinoacetic acid-d2 | 1173020-63-7 | MFCD04118279 | 99.9% | 119.12 | C3H5D2N3O2 | 10 MG
Glycocyamine-d2 (guanidinoacetic acid-d2) is a deuterium-labeled stable isotope of glycocyamine used as an internal standard and tracer in analytical and biochemical research. Supplied as a white to off-white solid with high chemical purity and defined isotopic labeling, it supports reliable quantitation and metabolic studies.
- Deuterium-labeled internal standard for mass spectrometry and LC-MS assays.
- High chemical purity for accurate quantitation.
- Defined isotopic labeling for metabolic tracing and flux analysis.
- Solid form simplifies handling and storage.
- Stable under recommended storage to preserve isotopic integrity.
![Revvity Health Sciences Inc Triiodothyronine, ([<sup>125</sup>I]-T3), L-3,5,3'-[<sup>125</sup>I]-, 250 µCi (9.25 MBq), Specific Activity: 135-165 µCi (5.00-6.11 MBq)/µg](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812348.jpg-250.jpg)
Revvity Health Sciences Inc Triiodothyronine, ([125I]-T3), L-3,5,3'-[125I]-, 250 µCi (9.25 MBq), Specific Activity: 135-165 µCi (5.00-6.11 MBq)/µg
Triiodothyronine, ([125I]-T3), L-3,5,3'-[125I]-, 250 µCi (9.25 MBq), Specific Activity: 135-165 µCi (5.00-6.11 MBq)/µg
Cayman Chemical CEP-LysIn-d4 1mg
An internal standard for the quantification of CEP-Lysine by GC- or LC-MS