Isotopically Labeled Compounds
Medchemexpress LLC Lamivudine-13C,d2 | 2714473-70-6 | 232.26 g/mol | C7(13C)H9D2N3O3S | 1 MG
Lamivudine-13C,d2 is an isotopically labeled form of lamivudine used as a stable-isotope reference and tracer in analytical and research applications. The compound carries 13C and deuterium labels and is provided in small packaged quantities suitable for analytical standards and method development.
- Isotopically labeled with 13C and deuterium.
- Intended for use as a stable-isotope reference or internal standard.
- Suitable for mass spectrometry and LC-MS/MS method development.
- Provided in small packaged quantities for analytical use.
- CAS number: 2714473-70-6.
- Molecular weight 232.26 g/mol.
Medchemexpress LLC Amantadine-d15 hydrochloride | 33830-10-3 | MFCD01317436 | >95.0% | 202.80 g/mol | C10H3D15ClN | 1 MG
Amantadine-d15 hydrochloride is the deuterium-labeled hydrochloride salt of amantadine supplied as a stable isotope reference material for analytical and research use. It is intended for use as an internal standard in mass spectrometry, metabolic tracing, and pharmacokinetic studies, and is provided in small quantities suitable for laboratory workflows.
- Deuterium-labeled hydrochloride salt (d15) for analytical applications.
- Molecular formula C10H3D15ClN; molecular weight 202.80 g/mol.
- High purity; reported as >95% (HPLC) for reference-grade material.
- Used as an internal standard in MS, metabolic tracing, and pharmacokinetic assays.
- Packaged in small quantities for laboratory use (for example, 1 mg).
Cambridge Isotope Laboratories DEUTERIUM (D, 99.8%) (D2,99.6%+HD,0.4%), 850 L, 7782-39-0
DEUTERIUM (D, 99.8%) (D2,99.6%+HD,0.4%), 850 L, 7782-39-0
Medchemexpress LLC Tempone-15N,d16 (4-oxo-Tempo-15N,d16) | 80404-14-4 | 1 MG
Tempone-15N,d16 is the deuterium and 15N labeled Tempone, serving as a tracer and an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Stable heavy isotopes of hydrogen, carbon, and other elements are incorporated into drug molecules, primarily as tracers for quantitation during drug development. Deuteration can impact the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer and internal standard
- Suitable for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuterium and 15N labeled compound
- Solid appearance, light yellow to yellow color
- Soluble in DMSO (requires ultrasonic and warming)
Cambridge Isotope Laboratories VITAMIN B2 5MG
VITAMIN B2 (RIBOFLAVIN) (13C4, 99%; 15N2, 98%) CHEM PURITY >97% 5mg
Medchemexpress LLC Proguanil-d6 | 99.31% | 500 UG
Proguanil-d6 is a deuterium-labeled prophylactic antimalarial agent, derived from Proguanil.
- Functions as a tracer
- Serves as an internal standard for quantitative analysis via NMR, GC-MS, or LC-MS
- Targets Plasmodium
- Solid appearance, ranging from white to off-white
- Molecular formula: C11H10D6ClN5
- Molecular weight: 259.77
Medchemexpress LLC Nilutamide-d6 | 1189477-66-4 | 99.8% | 323.26 | 1 MG
Nilutamide-d6 (Nilandron-d6) is a deuterium labeled Nilutamide. It is a non-steroidal anti-androgen agent proposed in the research of metastatic prostatic carcinoma. Deuterium labeling incorporates stable heavy isotopes of hydrogen, carbon, and other elements into drug molecules, primarily as tracers for quantitation during drug development. This deuteration can affect the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Cambridge Isotope Laboratories Orotic acid H2O (1 3-15N2 98%) 0 1 mg
Orotic acid H2O (1 3-15N2 98%) 0 1 mg
Medchemexpress LLC 3-pentanol-d5 | 144032-75-7 | 93.18 g/mol | C5H7D5O | 25 MG
3-pentanol-d5 is the deuterium-labeled analog of 3-pentanol used as a tracer and internal standard for quantitative analysis by NMR, GC-MS, and LC-MS. It supports analytical workflows that require isotopic labeling for tracing and accurate quantification.
- Deuterium-labeled 3-pentanol for use as a tracer and internal standard.
- Intended for quantitative analysis by NMR, GC-MS, and LC-MS.
- Molecular formula: C5H7D5O.
- Molecular weight: 93.18 g/mol.
- CAS number: 144032-75-7.
- Available pack size: 25 mg.
- Storage: pure form -20°C (3 years); in solvent -80°C (6 months), -20°C (1 month).
Cambridge Isotope Laboratories Oxychlordane (unlabeled) 100 ug/mL in nonane 1 2 mL
Oxychlordane (unlabeled) 100 ug/mL in nonane 1 2 mL
Medchemexpress LLC 2-methylanisole-d3 | 258832-47-2 | ≥98.0% | 125.18 g·mol⁻¹ | C8H7D3O | 100 MG
2-Methylanisole-d3 is the deuterium-labeled isotopologue of 2-methylanisole provided for laboratory research. It is used as an isotopic standard and as a synthetic intermediate in the preparation of compounds with a methylhydroquinone core. For research use only; not for human consumption.
- Isotopic enrichment: 99 atom % D.
- Molecular formula: C8H7D3O.
- Molecular weight: 125.18 g·mol⁻¹.
- Typical chemical purity: ≥98.0%.
- Packaging: 100 mg suitable for analytical and synthetic workflows.
- Intended use: research applications and method development.
![Revvity Health Sciences Inc Estradiol 17 β-D-Glucuronide, [Estradiol-6,7-<sup>3</sup>H(N)]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/VN00001872-509050981.JPG-250.jpg)
Revvity Health Sciences Inc Estradiol 17 β-D-Glucuronide, [Estradiol-6,7-3H(N)]-, 250µCi (9.25MBq)
Estradiol 17 β-D-Glucuronide, [Estradiol-6,7-3H(N)]-, 250µCi (9.25MBq)
Medchemexpress LLC Apalutamide-d4 | 1638885-65-0 | MFCD18384392 | 99.9% | 481.46 g/mol | C21H11D4F4N5O2S | 10 MG
Apalutamide-d4 is a deuterium-labeled analogue of apalutamide supplied as a 10 mg analytical standard for research and analytical applications.
- Deuterium-labeled internal standard for mass spectrometry and analytical assays.
- CAS number 1638885-65-0 for unambiguous identification.
- Molecular formula C21H11D4F4N5O2S; molecular weight 481.46 g/mol.
- High purity: 99.9% suitable for analytical workflows.
- Packaged as a 10 mg quantity appropriate for reference and method development.
Medchemexpress LLC L-Xylose-2-13C | 478506-63-7 | 99.0% | C413CH10O5 | 100 MG
L-Xylose-2-13C is the 13C labeled L-Xylose. L-Xylose (L-(-)-Xylose) is a rare sugar and the levorotatory form of Xylose. It can be used as a raw material for the synthesis of various drugs and bioactive molecules.
- This compound can be used as a tracer.
- This compound can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cambridge Isotope Laboratories SODIUM L-LACTATE (3,3,3-D3, 98%) 20% W/W IN H2O, 0.1 G/COMP, 285979-84-2
SODIUM L-LACTATE (3,3,3-D3, 98%) 20% W/W IN H2O, 0.1 G/COMP, 285979-84-2