Isotopically Labeled Compounds
Sigma Aldrich Fine Chemicals Biosciences Abiraterone D4A metabolite >=98% (HPLC) | 154229-21-7 | 25MG
Abiraterone D4A metabolite >=98% (HPLC) | Purity: >=98% (HPLC) | Mol Wt: 347.49 | 154229-21-7 | 25MG
Cayman Chemical Tolfenamic Acid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1246820-82-5, 1 mg
An internal standard for the quantification of tolfenamic acid by GC- or LC-MS
Cambridge Isotope Laboratories 0 1 mg/mL GdCl3 6H2O in D2O 1 5mm tube
0 1 mg/mL GdCl3 6H2O in D2O 1 5mm tube
Medchemexpress LLC 1-hydroxypyrene-d9 | 132603-37-3 | MFCD04972163 | 100.0% | 227.31 | C16HD9O | 1 MG
1-Hydroxypyrene-d9 is the deuterium-labeled analogue of 1-hydroxypyrene supplied as a reference standard for analytical and biomonitoring applications. It is used as an internal standard for LC-MS/MS quantitation to assess exposure to polycyclic aromatic hydrocarbons and to improve accuracy and recovery correction in environmental and toxicology analyses.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity for reliable quantitation.
- Solid material, white to off-white, suitable for analytical workflows.
- Intended for biomonitoring of PAH exposure in urine and environmental samples.
- Available in small sizes optimized for analytical use.
Cayman Chemical Myristic Acid-d2, Purity: ≥99% deuterated forms (d1-d2), CAS: 30719-21-2, 50 mg
An internal standard for the quantification of myristic acid by GC- or LC-MS
Medchemexpress LLC Piperidin-4-ol-d9 | 1219799-39-9 | 110.20 | 10 MG
Piperidin-4-ol-d9 is the deuterium labeled Piperidin-4-ol. It is for research use only and not sold to patients. This compound can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS. Deuteration, the incorporation of stable heavy isotopes into drug molecules, has gained attention for its potential to affect the pharmacokinetic and metabolic profiles of drugs.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
- Deuterium labeled Piperidin-4-ol
- Deuteration can affect pharmacokinetic and metabolic profiles of drugs
Medchemexpress LLC Propylparaben-d4 | 1219802-67-1 | 184.23 | 1 MG
Propylparaben-d4 is the deuterium-labeled version of Propylparaben. Propylparaben, also known as Propyl parahydroxybenzoate, is a naturally occurring antimicrobial preservative found in plants and bacteria. It is widely used in various products, including cosmetics, pharmaceuticals, and foods.
- Deuterium labeled: This compound is enriched with deuterium, making it suitable for specific research applications.
- Antimicrobial preservative: Its unlabeled counterpart acts as an antimicrobial preservative.
- Research applications: Can be used as a tracer and as an internal standard for quantitative analysis methods like NMR, GC-MS, or LC-MS.
- Impact on biological systems: Studies indicate that Propylparaben can disrupt antral follicle growth and steroidogenic function by altering cell-cycle, apoptosis, and steroidogenesis pathways. It has also been shown to decrease sperm count and motility in rats.
Cambridge Isotope Laboratories 1,1,3,3-TETRAETHOXYPROPANE (1,3-D2, 96-98%), 0.05 G, 105479-86-5
1,1,3,3-TETRAETHOXYPROPANE (1,3-D2, 96-98%), 0.05 G, 105479-86-5
Cambridge Isotope Laboratories FORMAMIDE (D3, 98%), 5 G, 43380-64-9
FORMAMIDE (D3, 98%), 5 G, 43380-64-9
Medchemexpress LLC Fmoc-Cys(Trt)-OH-d2 | 360565-11-3 | 587.72 | 50 MG
Fmoc-Cys(Trt)-OH-d2 is the deuterium labeled Fmoc-Cys(Trt)-OH, which is an N-terminal protected cysteine derivative.
- Can be used as a tracer and as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
Cayman Chemical Raltegravir-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 2712343-38-7, 1 mg
An internal standard for the quantification of raltegravir by GC- or LC-MS
Medchemexpress LLC 1-bromoundecane-d4 | 1219802-82-0 | 98.8% | 5 MG
1-Bromoundecane-d4 is the deuterium-labeled analogue of 1-bromoundecane supplied as an isotope-labeled standard for analytical and research use.
- Isotope-labeled tracer and internal standard for analytical applications.
- CAS 1219802-82-0.
- Molecular formula C11H19D4Br.
- Molecular weight 239.23 Da.
- Purity 98.8% (as listed).
- Available in small pack sizes such as 5 mg.
![Revvity Health Sciences Inc Prazosin, [7-Methoxy-<sup>3</sup>H]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/509051070.jpg-250.jpg)
Revvity Health Sciences Inc Prazosin, [7-Methoxy-3H]-, 250µCi (9.25MBq)
Prazosin, [7-Methoxy-3H]-, 250µCi (9.25MBq)
Strem, An Ascensus Company CAS# 144222-34-4. 10g. (1R,2R)-(-)-N-(4-toluenesulfonyl)-1,2-diphenylethylenediamine, 98% (R,R)-TsDPEN. MFCD02093428
CAS# 144222-34-4. 10g. (1R,2R)-(-)-N-(4-toluenesulfonyl)-1,2-diphenylethylenediamine, 98% (R,R)-TsDPEN. MFCD02093428. Molecular Weight: 366.48. Molecular Formula: C21H22N2O2S. Color/form: white xtl. Strem# 07-2371. http://www.strem.com/catalog/v/07-2371/