Isotopically Labeled Compounds
Cambridge Isotope Laboratories SODIUM DODECYL SULFATE (D25, 98%), 1 G
SODIUM DODECYL SULFATE (D25, 98%), 1 G
Cambridge Isotope Laboratories L-PHENYLALANINE (13C9, 99%; 15N, 99%), 0.1 G
L-PHENYLALANINE (13C9, 99%; 15N, 99%), 0.1 G
Cambridge Isotope Laboratories L-GLUTAMIC ACID (13C5, 99%; 15N, 99%), 1 G
L-GLUTAMIC ACID (13C5, 99%; 15N, 99%), 1 G
Cambridge Isotope Laboratories INDOLE (13C8, 98%+; 15N, 96-99%), 0.1 G
INDOLE (13C8, 98%+; 15N, 96-99%), 0.1 G
Medchemexpress LLC Bisphenol A-d6 | 86588-58-1 | MFCD00224249 | 99.0% | 234.32 g/mol | C15H10D6O2 | 10 MG
Bisphenol A-d6 is a deuterium-labeled analogue of bisphenol A supplied as a solid analytical standard for use as an internal standard in mass spectrometry and isotopic tracing studies. It is intended for analytical workflows requiring a stable isotope-labeled reference and small laboratory pack sizes.
- Deuterium-labeled internal standard for mass spectrometry.
- Molecular formula C15H10D6O2 and molecular weight 234.32 g/mol.
- High chemical purity (99.0%).
- Available in small pack sizes such as 10 MG for analytical use.
- Recommended storage: powder at -20°C for long-term stability; in solvent at -80°C for extended storage.
Cayman Chemical DopamIn-d4hydrochlorIde 25mg
An internal standard for the quantification of dopamine by GC- or LC-MS
Cayman Chemical Cytosn-d2 25mg
An internal standard for the quantification of cytosine by GC- or LC-MS
Medchemexpress LLC Methyl-warfarin-d3 | 38063-51-3 | 98.0% | 325.37 g·mol⁻1 | C20H15D3O4 | 10 MG
Methyl-warfarin-d3 is a deuterium-labeled methylated analog of warfarin provided as a research-use-only stable isotope reference standard for analytical and method-development applications.
- Deuterium-labeled methyl analog useful as an internal standard.
- High purity suitable for analytical use (≈98.0%).
- Molecular formula C20H15D3O4; molecular weight ~325.37 g·mol⁻1.
- Intended applications: LC-MS, GC-MS, NMR, and method development.
- Supplied as a 10 mg solid for laboratory use (research use only).
Cayman Chemical AcetamIprId-d3 1mg
An internal standard for the quantification of acetamiprid by GC- or LC-MS
Medchemexpress LLC Ethephon-d4 | 1020719-29-2 | >98.0% | 148.52 g/mol | C2H2D4ClO3P | 10 MG
Ethephon-d4 is the deuterium-labeled analogue of ethephon intended for analytical and research use. It functions as a tracer and internal standard for quantitative methods and is suitable for NMR, GC-MS, and LC-MS applications.
- Deuterium-labeled internal standard suitable for quantitative analysis.
- High deuterium enrichment (≈99 atom % D) with chemical purity ≥98%.
- Compatible with NMR, GC-MS, and LC-MS workflows.
- Stable when stored sealed at 4°C; in solution: -80°C (up to 6 months) or -20°C (≈1 month).
- Supplied in small calibrated quantities for analytical use.
Medchemexpress LLC N-hexacosane-d54 | 1219803-91-4 | MFCD03428117 | 99.5% | 421.04 g/mol | C26D54 | 5 MG
N-hexacosane-d54 is a deuterium-labeled analog of n-hexacosane designed for research applications as a tracer and internal standard in quantitative analyses such as NMR, GC-MS, and LC-MS. It is supplied as a solid with high isotopic and chemical purity and includes recommended storage conditions for powder and solutions.
- High isotopic purity: 99.5%
- Suitable as tracer and internal standard for NMR, GC-MS, and LC-MS
- Solid, white to off-white appearance for easy handling
- Defined storage stability for powder and in solvent to preserve integrity
- Provides known molecular weight and formula for accurate quantitation
Medchemexpress LLC Pyrimethanil-d5 | 2118244-83-8 | 99.0% | 1 MG
Pyrimethanil-d5 is the deuterium-labeled version of Pyrimethanil, an anilinopyrimidine and broad-spectrum contact fungicide. It controls Botrytis spp. on various crops by inhibiting the biosynthesis of methionine and other amino acids in *Botrytis cinerea*. It is suitable for research into fungal disease prevention in fruit, vegetable, and ornamental plants that have mold infections.
- Deuterium labeled compound.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes are incorporated for quantitation during drug development.
- Deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories GUANOSINE:H2O (13C10, 98%; 15N5, 96-98%), 10 MG
GUANOSINE:H2O (13C10, 98%; 15N5, 96-98%), 10 MG
Cambridge Isotope Laboratories DOPAMINE:HCL (2-(3,4-DIHYDROXYPHENYL)- ETHYLAMINE:HCL) (1-13C, 99%), 0.05 G
DOPAMINE:HCL (2-(3,4-DIHYDROXYPHENYL)- ETHYLAMINE:HCL) (1-13C, 99%), 0.05 G
Medchemexpress LLC Metformin-d6 hydrochloride | 1185166-01-1 | 99.98% | 171.66 | 10 MG
Metformin-d6 hydrochloride | 1185166-01-1 | 99.98% | 171.66 | 10 MG