Isotopically Labeled Compounds
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, Purity: ≥95%, CAS: 116380-66-6, 10 mg
An internal standard for the quantification of cholic acid by GC- or LC-MS
Cayman Chemical (±)-Thalidomide-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1219177-18-0, 5 mg
An internal standard for the quantification of (±)-thalidomide by GC- or LC-MS
Cayman Chemical DL-Aspartic Acid-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 14341-75-4, 50 mg
An internal standard for the quantification of aspartic acid by GC- or LC-MS
Cambridge Isotope Laboratories 2-MERCAPTOETHANOL (D6, 98%), 0.5 G, 203645-37-8
2-MERCAPTOETHANOL (D6, 98%), 0.5 G, 203645-37-8
Cambridge Isotope Laboratories L-METHIONINE (13C5, 99%; 15N, 99%), 0.05 G, 202468-47-1
L-METHIONINE (13C5, 99%; 15N, 99%), 0.05 G, 202468-47-1
Medchemexpress LLC 2,2'-bipyridine-d8 | 32190-42-4 | 99.3% | 164.24 g/mol | C10D8N2 | 1 MG
2,2′-Bipyridine-d8 is the deuterium-labeled isotopologue of 2,2′-bipyridine designed for use as a tracer or internal standard in quantitative analytical techniques such as NMR, GC-MS, and LC-MS. Sold for research use only, it is supplied in small-quantity formats for analytical and method development applications.
- Deuterium-labeled isotopologue suitable as tracer or internal standard.
- High purity (99.3%).
- Molecular formula C10D8N2; molecular weight 164.24 g/mol.
- Available in small quantities (1 mg) for analytical use.
- Documentation available: data sheet, certificate of analysis, and safety data sheet.
Cayman Chemical Thiacloprid-d4, Purity: ≥99% deuterated forms (d1-d4), CAS: 1793071-39-2, 1 mg
An internal standard for the quantification of thiacloprid by GC- or LC-MS
Cayman Chemical DL-Aspartic Acid-d3, Purity: ≥99% deuterated forms (d1-d3), CAS: 14341-75-4, 25 mg
An internal standard for the quantification of aspartic acid by GC- or LC-MS
Cayman Chemical Myristic Acid-13C, Purity: ≥95%, CAS: 57677-52-8, 250 mg
An internal standard for the quantification of myristic acid by GC- or LC-MS
Cayman Chemical HomocItrulIn-d3 500ug
An internal standard for the quantification of homocitrulline by GC- or LC-MS