Other Solvents
Medchemexpress LLC Ribociclib-d8 | 2167898-24-8 | 99.2% | 440.59 | C23H25D8N8O | 10 MG
Ribociclib-d8 is the deuterium-labeled analogue of ribociclib supplied as an analytical reference standard for use in mass spectrometry and quantitative assays. It is intended for research use and provides a traceable internal standard for accurate quantitation in bioanalytical workflows.
- Deuterium-labeled internal standard for mass spectrometry.
- High purity suitable for analytical applications.
- Soluble in DMSO for convenient preparation of stock solutions.
- Molecular weight 440.59 and formula C23H25D8N8O for exact mass matching.
- Provided in a 10 MG quantity appropriate for method development and validation.
Cayman Chemical Fulvestrnt-d3 500ug
An internal standard for the quantification of fulvestrant by GC- or LC-MS
Medchemexpress LLC S-mirtazapine-d3 | 61337-87-9 | 99.0% | 268.37 | C17H16D3N3 | 10 MG
Deuterated S-mirtazapine is the S-enantiomer of mirtazapine labeled with three deuterium atoms, supplied as a research-grade reference standard for analytical and pharmacology studies.
- Isotopically labeled internal standard for LC-MS/MS quantitation.
- High purity for reliable analytical results.
- Molecular weight 268.37 and formula C17H16D3N3.
- Supplied as a 10 mg vial for method development and calibration.
![Revvity Health Sciences Inc Norepinephrine, Levo-[7-<sup>3</sup>H]-, 250µCi (9.25MBq)](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502809352.jpg-250.jpg)
Revvity Health Sciences Inc Norepinephrine, Levo-[7-3H]-, 250µCi (9.25MBq)
Norepinephrine, Levo-[7-3H]-, 250µCi (9.25MBq)
Cambridge Isotope Laboratories L-SERINE (13C3, 99%; 15N, 99%), 0.25 G, 202407-34-9
L-SERINE (13C3, 99%; 15N, 99%), 0.25 G, 202407-34-9
Medchemexpress LLC Vardenafil-d5 hydrochloride | 1189685-70-8 | 98.65% | 50 MG
Vardenafil-d5 hydrochloride | 1189685-70-8 | 98.65% | 50 MG
Cambridge Isotope Laboratories SODIUM BUTYRATE (13C4, 99%), 0.1 G, 312623-84-0
SODIUM BUTYRATE (13C4, 99%), 0.1 G, 312623-84-0
Medchemexpress LLC Cholestenone-13C (4-cholesten-3-one-13C) | 68165-57-1 | 99.0% | 385.63 | C2613CH44O | 5 MG
Cholestenone-13C is a 13C-stable isotope labeled form of cholestenone intended for use as an analytical standard and metabolic tracer in biochemical research. It serves as an internal standard for quantitative mass spectrometry and for metabolic labeling studies, and is supplied in small research quantities with specified solubility and storage recommendations.
- Stable 13C-labeled cholestenone for tracer and standard applications.
- Chemical purity 99.0% for analytical reliability.
- Molecular weight 385.63 and formula C27H44O (13C labeled).
- Soluble in ethanol at 50 mg/mL; ultrasonic may be required.
- Recommended storage: powder -20°C for long term, 4°C for short term; in solvent -80°C for months.
- Available in small research sizes, including 5 mg vials.
Cayman Chemical CefuroxIme-d3 1mg
An internal standard for the quantification of cefuroxime by GC- or LC-MS
Cayman Chemical SerotonIn-d4hydrochlorIde 10mg
An internal standard for the quantification of serotonin by GC- or LC-MS
Cambridge Isotope Laboratories LITHIUM DEUTEROXIDE (D, 99.5%) 3 N IN D2O, 100 G IN P, 12159-20-5
LITHIUM DEUTEROXIDE (D, 99.5%) 3 N IN D2O, 100 G IN P, 12159-20-5
Cayman Chemical StavudIn-13C-d3 1mg
An internal standard for the quantification of stavudine by GC- or LC-MS
Medchemexpress LLC Enalapril-d5 (maleate) | 349554-02-5 | 99.0% | 1 MG
Enalapril-d5 (maleate) is deuterium labeled Enalapril, an angiotensin converting enzyme (ACE) inhibitor. Intended for research use only, this compound serves as a valuable tool for quantitative analysis.
- Used as a tracer
- Functions as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
American Radiolabeled Chemicals Inc LAUROYL-1-14C COA 50UC
Lauroyl-1-14C Coenzyme A 50uCi in 0.1M sodium acetate buffer (pH 5.2), 0.1 mCi/ml, S.A. 50-60 mCi/mmol, M.W. 949.8, Shipped in Dry Ice, Exclusive