Isotopically Labeled Compounds
Medchemexpress LLC Alanine-2,3,3,3-d4 | 53795-92-9 | MFCD00084108 | 99.8% | 93.12 g/mol | C3H3D4NO2 | 10 MG
Alanine-2,3,3,3-d4 is a deuterium-labeled form of alanine used as a stable-isotope tracer and internal standard for quantitative analysis. It is intended for analytical workflows in which accurate quantitation and tracing are required, and is supplied in milligram pack sizes suitable for NMR, GC-MS, and LC-MS applications.
- Deuterium-labeled for isotope tracing and internal standardization.
- High purity (99.8%) for accurate quantitation.
- Suitable for NMR, GC-MS, and LC-MS applications.
- Available in multiple small milligram pack sizes for analytical use.
- Molecular weight 93.12 g/mol and CAS 53795-92-9 for unambiguous identification.
Medchemexpress LLC 1-Hexanol-d11 | 2159-18-4 | 99.3% | 113.24 | C6H3D11O | 50 MG
1-Hexanol-d11 is the deuterium-labeled analogue of 1-hexanol used as an isotopic standard and tracer in analytical and research applications. Deuterium substitution produces a predictable mass shift for mass spectrometry and metabolic labeling studies; the compound is supplied as a colorless to light yellow liquid with high reported purity.
- Deuterium-labeled isotopologue for mass-shifted analysis.
- High purity suitable for analytical standards.
- Useful as an internal standard in mass spectrometry workflows.
- Stable when stored under recommended low-temperature conditions.
- Available in small research quantities for analytical applications.
Medchemexpress LLC Ozenoxacin-d3 (hydrochloride) | 245765-41-7 | ≥99.0% | 402.89 | 5 MG
Ozenoxacin-d3 hydrochloride is a deuterium-labeled form of Ozenoxacin hydrochloride. Ozenoxacin hydrochloride is a nonfluorinated quinolone antibacterial that exhibits potent activities against the main microorganisms isolated from skin and soft tissue infections. This compound can be utilized as a tracer or as an internal standard for quantitative analysis.
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Exhibits potent activities against microorganisms isolated from skin and soft tissue infections
Cambridge Isotope Laboratories URIDINE 5'-TRIPHOSPHATE, AMMONIUM SALT (13C9, 99%; 15N2, 98%) CP >90% (IN SOLN), 100 UMOL
URIDINE 5'-TRIPHOSPHATE, AMMONIUM SALT (13C9, 99%; 15N2, 98%) CP >90% (IN SOLN), 100 UMOL
![Revvity Health Sciences Inc dATP, [α-<sup>32</sup>P]- 3000Ci/mmol 10mCi/ml, 250 µCi](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502810000.jpg-250.jpg)
Revvity Health Sciences Inc dATP, [α-32P]- 3000Ci/mmol 10mCi/ml, 250 µCi
dATP, [α-32P]- 3000Ci/mmol 10mCi/ml, 250 µCi
![Revvity Health Sciences Inc Cholesterol, [1,2-<sup>3</sup>H(N)]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502812331.jpg-250.jpg)
Revvity Health Sciences Inc Cholesterol, [1,2-3H(N)]-, 250µCi (9.25MBq)
Cholesterol, [1,2-3H(N)]-, 250µCi (9.25MBq)
Medchemexpress LLC Indole-d7 | 73509-20-3 | 124.19 | 100 MG
Indole-d7 is a deuterium-labeled indole that serves as an endogenous metabolite. Deuteration can impact the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC Ciprofloxacin-d8 (hydrochloride) | 1216659-54-9 | 98.8% | 2.5 MG
Ciprofloxacin-d8 (hydrochloride) is the deuterium labeled Ciprofloxacin. Ciprofloxacin (Bay-09867) hydrochloride is a fluoroquinolone antibiotic, exhibiting potent antibacterial activity.
- 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 Marker-7 PCB Mixture (W/ PCB-118) (13C12 99%) 1000 ng/mL in nonane 1 2 mL
Marker-7 PCB Mixture (W/ PCB-118) (13C12 99%) 1000 ng/mL in nonane 1 2 mL
![Medchemexpress LLC Sodium [13C]formate | 23102-86-5 | 98.0% | 69.00 g/mol | 13CHNaO2 | 50 MG](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000208338.png-250.jpg)
Medchemexpress LLC Sodium [13C]formate | 23102-86-5 | 98.0% | 69.00 g/mol | 13CHNaO2 | 50 MG
Formate-13C sodium (Sodium [13C]formate) is an isotopically labeled sodium formate used as a 13C tracer and internal standard for mass spectrometry and metabolic studies. It is supplied as a white to off-white solid with high water solubility and is recommended for cold, moisture-free storage.
- Isotopically labeled with carbon-13.
- Purity 98.0%.
- Molecular weight 69.00 g/mol.
- Molecular formula 13CHNaO2.
- Pack size 50 mg.
- High solubility in water; may require ultrasonic.
Medchemexpress LLC Isobutylparaben-d4 | 1219805-33-0 | 98.5% | 198.25 g/mol | C11H10D4O3 | 1 MG
Isobutylparaben-d4 is the deuterium-labeled analogue of isobutylparaben used as a stable isotope internal standard for analytical and research applications. It is provided as a high-purity, fully characterized material designed to support quantitative mass spectrometry, method development, and calibration workflows.
- High isotopic enrichment for accurate internal standardization.
- High purity suitable for quantitative analytical use.
- Optimized for mass spectrometry and chromatographic methods.
- Supplied in measured small quantities for standards preparation.
- Certificate of analysis documents purity and isotopic enrichment.
Medchemexpress LLC Levomefolic acid-13C,d3 | 1356019-94-7 | 98.4% | 463.47 | 500 UG
Levomefolic acid-13C,d3 is the deuterium labeled Levomefolic acid (HY-14781). It is an orally active, brain-penetrant natural active form of folic acid and a widely used folic acid food supplement. This compound can be used as a tracer and internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Stable heavy isotopes are incorporated for drug development quantitation. Deuteration can affect pharmacokinetic and metabolic profiles of drugs.
- Orally active, brain-penetrant natural active form of folic acid
- Widely used folic acid food supplement
- Used as a tracer and internal standard for quantitative analysis
- Stable heavy isotopes incorporated for drug development quantitation
- Deuteration can affect pharmacokinetic and metabolic profiles
Cayman Chemical Imidacloprid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1015855-75-0, 5 mg
An internal standard for the quantification of imidacloprid by GC- or LC-MS
Cambridge Isotope Laboratories TAUROLITHOCHOLIC ACID, SODIUM SALT (2,2,4,4-D4, 98%), 10 MG
TAUROLITHOCHOLIC ACID, SODIUM SALT (2,2,4,4-D4, 98%), 10 MG
Cayman Chemical Mycophenolate Mofetil-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1132748-21-0, 1 mg
An internal standard for the quantification of mycophenolate mofetil by GC- or LC-MS