Isotopically Labeled Compounds
Cambridge Isotope Laboratories ETHYL ACETOACETATE (1,3-13C2, 99%), 0.5 G, 77504-73-5
ETHYL ACETOACETATE (1,3-13C2, 99%), 0.5 G, 77504-73-5
Cambridge Isotope Laboratories 3-EPI-25-HYDROXYVITAMIN D3 UNLABELED 50 UG/ML IN ETHANOL, 1 ML
3-EPI-25-HYDROXYVITAMIN D3 UNLABELED 50 UG/ML IN ETHANOL, 1 ML
Cambridge Isotope Laboratories CHLOROMETHANE (13C, 99%), 1 L, 19961-13-8
CHLOROMETHANE (13C, 99%), 1 L, 19961-13-8
Cambridge Isotope Laboratories URIDINE 5'-TRIPHOSPHATE, AMMONIUM SALT (D8, 97%+) CHEMICAL PURITY 90%+ (IN SOLN), 50 UMOL
URIDINE 5'-TRIPHOSPHATE, AMMONIUM SALT (D8, 97%+) CHEMICAL PURITY 90%+ (IN SOLN), 50 UMOL
Cayman Chemical ResolvIn D3-d5 25ug
An internal standard for the quantification of RvD3 by GC- or LC-MS
Cambridge Isotope Laboratories GUANOSINE 5'-TRIPHOSPHATE (GTP), AMMONIUM SALT (D, 97%+) CHEM PUR. >90% (IN SOLN), 100 UMOL
GUANOSINE 5'-TRIPHOSPHATE (GTP), AMMONIUM SALT (D, 97%+) CHEM PUR. >90% (IN SOLN), 100 UMOL
Medchemexpress LLC 5'-guanylic acid-15N5 dilithium | 85-32-5 | MFCD00057066 | 95.0% | 380.05 g/mol | C10H12Li215N5O8P | 10 MG
5'-Guanylic acid-15N5 dilithium is the 15N5 isotopically labeled dilithium salt of guanosine 5'-monophosphate supplied as a small analytical package. It is intended for use as an isotopic tracer and internal standard in quantitative analytical methods, including NMR, GC-MS, and LC-MS.
- 15N5-labeled dilithium salt form for isotopic tracing
- Intended as tracer and internal standard for quantitative NMR, GC-MS, and LC-MS
- Purity 95.0% suitable for analytical applications
- Molecular weight 380.05 g/mol
- Provided as a 10 mg solid package for laboratory use
Medchemexpress LLC L-alanine N,N,O-d3 | 19470-97-4 | MFCD06658795 | 99.0% | 92.11 | C3H4D3NO2 | 10 MG
L-Alanine-d3-1 is the deuterium-labeled analogue of L-alanine used as a stable isotope tracer and internal standard for quantitative analytical methods. It is supplied as a high-purity isotopically labeled amino acid for use in NMR, GC-MS, and LC-MS assays, method development, and metabolic studies.
- Deuterium-labeled L-alanine (N,N,O-d3) for isotope tracing and standards.
- High purity suitable for quantitative analysis (99.0%).
- Compatible with NMR, GC-MS, and LC-MS applications.
- Useful as an internal standard for accurate quantitation.
- Provided in small research-scale quantities for method development.
Medchemexpress LLC Spermidine-d6 | 2514812-10-1 | 96.1% | 151.28 | C7H13D6N3 | 10 MG
Spermidine-d6 is a deuterium-labeled analog of spermidine supplied for use as a stable isotope tracer and internal standard in quantitative analytical methods (NMR, GC-MS, LC-MS). It is intended for research use and is provided with high purity and aqueous solubility for analytical workflows.
- Used as an internal standard for quantitative analysis.
- Deuterium labeling supports metabolic and tracer studies.
- High aqueous solubility (≥50 mg/mL) for convenient preparation.
- Stable under recommended storage conditions for long-term use.
- Offered in small package sizes suitable for analytical assays.
Cayman Chemical CholIc AcId-d4 10mg
An internal standard for the quantification of cholic acid by GC- or LC-MS
Cambridge Isotope Laboratories N-Nervonoyl-D-sphingosine (C24 1 ceramide) (16 16 17 17 18 18 18-D7 98%) CP 95% 1 mg
N-Nervonoyl-D-sphingosine (C24 1 ceramide) (16 16 17 17 18 18 18-D7 98%) CP 95% 1 mg
Medchemexpress LLC Octanoic acid-d3 | 156779-05-4 | MFCD00190494 | 99.1% | 147.23 g/mol | C8H13D3O2 | 10 MG
Octanoic acid-d3 is the deuterium-labeled (d3) analogue of octanoic (caprylic) acid provided as a high-purity isotopically labeled reagent for analytical and tracer applications. It is supplied as an oily liquid in small-quantity vials intended for use as internal standards in quantitative analyses such as NMR, GC-MS, and LC-MS.
- Deuterium-labeled internal standard for quantitative analysis.
- High isotopic enrichment (99.1% d3).
- Molecular weight 147.23 g/mol and formula C8H13D3O2.
- Supplied in small quantities suitable for analytical workflows.
- Suitable for NMR, GC-MS, LC-MS, and tracer studies.
Medchemexpress LLC Betaxolol-d5 | 1189957-99-0 | >95.0% | 1 MG
Betaxolol-d5 is the deuterium-labeled version of Betaxolol. Betaxolol is a selective beta1 adrenergic receptor blocker that can be utilized in research pertaining to hypertension and glaucoma. This compound can serve as a tracer and as an internal standard for quantitative analysis using techniques such as NMR, GC-MS, or LC-MS. Stable heavy isotopes, including deuterium, have been incorporated into drug molecules primarily to act as tracers for quantitation during the drug development process. Deuteration is notable for its potential to influence the pharmacokinetic and metabolic profiles of drugs.
- Can be used as a tracer for quantitation during drug development.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration may influence the pharmacokinetic and metabolic profiles of drugs.
Cambridge Isotope Laboratories FORMIC ACID (13C, 99%) (, 5 G, 1633-56-3
FORMIC ACID (13C, 99%) (, 5 G, 1633-56-3
Cambridge Isotope Laboratories MYRISTIC ACID (1-13C, 99%), 1 G, 57677-52-8
MYRISTIC ACID (1-13C, 99%), 1 G, 57677-52-8