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VAQORACHEMICALS
Grade guide

Deuterated & Stable-Isotope-Labelled Compounds chemicals

Compounds enriched with deuterium, ¹³C or ¹⁵N for use as internal standards in mass spectrometry, NMR solvents and mechanistic or metabolic studies.

1,488 Deuterated & Stable-Isotope-Labelled Compounds products

Reference Standard
Desvenlafaxine-d10 chemical structure
Desvenlafaxine-d10
CAS
1062607-49-1
Formula
C16H25NO2
MW
273.44 g/mol
VQ-042853
Reference Standard
Deucravacitinib D3
Deucravacitinib D3
CAS
2704587-20-0
Formula
C20H16D6N8O3
MW
428.49 g/mol
VQ-047999
Reference Standard
Dexamethasone D4 chemical structure
Dexamethasone D4
CAS
2483831-63-4
Formula
C22H29FO5
MW
396.5 g/mol
VQ-048003
Reference Standard
Dexketoprofen-D3
Dexketoprofen-D3
CAS
2747914-77-6
Formula
C16H11D3O3
MW
257.3 g/mol
VQ-045002
Reference Standard
Dextrorphan-d3 chemical structure
Dextrorphan-d3
CAS
524713-57-3
Formula
C17H23NO
MW
260.39 g/mol
VQ-030163
Reference Standard
Diacerein-13C6 chemical structure
Diacerein-13C6
CAS
1391052-74-6
Formula
C19H12O8
MW
374.25 g/mol
VQ-036663
Reference Standard
Diacerein-d6 chemical structure
Diacerein-d6
CAS
1325559-27-0
Formula
C19H12O8
MW
374.3 g/mol
VQ-030167
Reference Standard
Diazepam D5 chemical structure
Diazepam D5
CAS
65854-76-4
Formula
C16H13ClN2O
MW
289.77 g/mol
VQ-030171
Reference Standard
Diazinon-D10 chemical structure
Diazinon-D10
CAS
100155-47-3
Formula
C12H21N2O3PS
MW
314.41 g/mol
VQ-036667
Reference Standard
Diazoxide-d3 chemical structure
Diazoxide-d3
CAS
1432063-51-8
Formula
C8H7ClN2O2S
MW
233.69 g/mol
VQ-036669
Reference Standard
Dibromomethane-d2 chemical structure
Dibromomethane-d2
CAS
22117-86-8
Formula
CH2Br2
MW
175.85 g/mol
VQ-041163

FAQs

How much mass difference should an internal standard have?

At least 3 Da is a common rule of thumb, so that the analyte's natural isotope peaks do not interfere with the internal standard signal.

What is isotopic enrichment?

The percentage of atoms at the labelled positions that are the heavy isotope, for example 99 atom % D.

Are deuterated compounds radioactive?

No. Deuterium, carbon-13 and nitrogen-15 are stable isotopes. Radioactive labels such as tritium or carbon-14 are a separate category.

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