Isotopically Labeled Compounds
Cambridge Isotope Laboratories 3,4-DIHYDROXYPHENYLACETIC ACID (RING-D3, 2,2-D2, 98%), 0.1 G, 60696-39-1
3,4-DIHYDROXYPHENYLACETIC ACID (RING-D3, 2,2-D2, 98%), 0.1 G, 60696-39-1
Cambridge Isotope Laboratories FUMARIC ACID (2,3-D2, 98%), 5 G, 24461-32-3
FUMARIC ACID (2,3-D2, 98%), 5 G, 24461-32-3
Medchemexpress LLC Sacubitrilat-d4 | 149709-44-4 | 99.3% | 387.46 | C22H21D4NO5 | 10 MG
Sacubitrilat-d4 is the deuterium-labeled form of sacubitrilat (desethyl sacubitril), provided as a stable-isotope reference standard for bioanalytical and drug-development studies. It is intended for research use as a tracer or internal standard in quantitative NMR, GC-MS, and LC-MS assays.
- Deuterium-labeled isotopologue for use as an internal standard.
- High chemical purity: 99.3%.
- Suitable for NMR, GC-MS, and LC-MS quantitative analysis.
- Supplied as a 10 mg powder for analytical applications.
- Storage: powder at -20°C (3 years) or 4°C (2 years); in solvent at -80°C (6 months).
Cambridge Isotope Laboratories D-GALACTOSE (U-13C6, 99%), 0.1 G, 74134-89-7
D-GALACTOSE (U-13C6, 99%), 0.1 G, 74134-89-7
Cambridge Isotope Laboratories 0.03 PERCENT W/V TMSP D2O 50G
0.03 percent -W/V- TMSP --2.2.3.3-D4 / 98 pct-- IN D2O --D. 99.9 pct-- 50g / Labeled CAS 7789-20-0 / Chemical Purity 99.5 pct
Cayman Chemical OleIc AcId-13C 1mg
An internal standard for the quantification of oleic acid by GC- or LC-MS
Medchemexpress LLC Tolbutamide-d9 | 1219794-57-6 | MFCD06658779 | 99.0% | 279.40 g·mol⁻¹ | C12H9D9N2O3S | 10 MG
Tolbutamide-d9 is the deuterium-labeled analogue of tolbutamide used as an analytical internal standard and tracer for quantitative assays and method development. It is intended for use in LC-MS, GC-MS, NMR, and pharmacokinetic/ADME studies where an isotopically labeled reference improves accuracy and precision.
- Deuterium-labeled internal standard for quantitative LC-MS and GC-MS
- High isotopic and chemical purity for accurate quantitation
- Suitable for pharmacokinetic and ADME studies
- Provided in small analytical pack sizes for trace-level work
- Well characterized for analytical method development and validation
Cambridge Isotope Laboratories Fatty Acid Algal Extract (U-13C 98%) 0 25 g
Fatty Acid Algal Extract (U-13C 98%) 0 25 g
Medchemexpress LLC 7-keto-Deoxycholic acid | 911-40-0 | 99.7% | 406.56 | 100 MG
7-keto-Deoxycholic acid is a metabolite of bile acids found in Clostridium absonum. It can also be converted from Lactobacillus and Bifidobacterium under specific conditions. This product is provided as a high-purity solid.
- Metabolite of bile acids
- Converted from Lactobacillus and Bifidobacterium
- Provided as a solid
Medchemexpress LLC Boc-Leu-OH H2O-d3 100mg
Boc-Leu-OH H2O-d3 is the deuterium labeled Boc-Leu-OH H2O[1]
Medchemexpress LLC Prostaglandin E2-d4 | 34210-10-1 | 99.9% | 356.49 | C20H28D4O5 | 50 UG
Prostaglandin E2-d4 is a deuterium-labeled analogue of prostaglandin E2 used as an internal standard for quantitative analytical assays. It is provided as a 1.40 mM solution (100 μL, 50 μg) in methyl acetate, appears as a colorless to light yellow liquid, and is intended for research use with storage at -20°C.
- Deuterium-labeled internal standard for accurate quantitation.
- High purity (99.9%) for reliable analytical results.
- Ready-to-use solution (1.40 mM in methyl acetate) for convenience.
- Compatible with LC-MS/MS and other mass spectrometry methods.
- Stable when stored at -20°C for up to 2 years.
Cambridge Isotope Laboratories Dimethyl phthalate (ring-D4 98%) 0 1 g
Dimethyl phthalate (ring-D4 98%) 0 1 g
Cambridge Isotope Laboratories Pyruvate 13C labeling mix (13C 99%) 1 kit
Pyruvate 13C labeling mix (13C 99%) 1 kit
Cambridge Isotope Laboratories Algal starch (U-13C 98%) CP 90% 1 g
Algal starch (U-13C 98%) CP 90% 1 g