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Isotope Standards

Compounds (solids, liquids, gasses) with well-defined isotopic compositions that act as the ultimate sources of accuracy in mass spectrometric measurements of isotope ratios.
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316 – 330 of 388 results
316

ENTEGRIS INC TAURODEOXYCHOLIC ACID-D4-3-S

NC2739543 TAURODEOXYCHOLIC ACID-D4-3-S

ENCOMPASS_PREFERRED
317

Medchemexpress LLC Dasatinib-d8 | 1132093-70-9 | MFCD15071210 | 99.2% | 496.05 g/mol | C22H18D8ClN7O2S | 1 MG
SDP

Dasatinib-d8 is a deuterium-labeled analogue of dasatinib supplied as a high-purity reference standard for analytical and research use, primarily as an internal standard for quantitative mass spectrometry. It is intended for method development, validation, and stability studies where isotopic labeling improves accuracy and precision (CAS 1132093-70-9).

  • Deuterium-labeled internal standard for mass spectrometry applications.
  • High purity for reliable quantification and reproducible results.
  • Suitable for LC-MS and GC-MS method development and validation.
  • Soluble in DMSO at high concentration for convenient stock preparation.
  • Packaged for analytical reference and stability testing.

ENCOMPASS_PREFERRED
318

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

5000745918 SM-102-D4 10MG

ENCOMPASS_PREFERRED
319

ASI CHEMICALS LLC

NC4016794 CORTISONE-D8 5X1MG

ENCOMPASS_PREFERRED
320

Avanti Polar Lipids C18 GLCCER-D5 PDWR 1MG
SDP

D-glucosyl-beta-1,1' N-stearoyl-D-erythro-sphingosine-d5

ENCOMPASS
321

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

5000743313 OCTRIZOLE-D4 10MG

ENCOMPASS_PREFERRED
322

SANTA CRUZ BIOTECHNOLOGY FURFURAL-D4 25MG
SDP

NC3359014 FURFURAL-D4 25MG

ENCOMPASS
323

Cerilliant Corporation ALPRAZOLAM-D5 1ML

NC3854150 ALPRAZOLAM-D5 1ML

ENCOMPASS
324

Cerilliant Corporation BUTALBITAL-D5 1ML

NC3854158 BUTALBITAL-D5 1ML

ENCOMPASS
325

Medchemexpress LLC Dc-lc3in-d5 | 2868312-73-4 | 98.6% | C19H22Cl2N2O3 | 10MG
SDP

DC-LC3in-D5 is a deuterated research compound that acts as an autophagy inhibitor by attenuating LC3B lipidation and disrupting LC3B interactions. It is provided as a solid for laboratory research and is characterized by high purity and defined storage recommendations.

ENCOMPASS_PREFERRED
326

Sigma Aldrich Fine Chemicals Biosciences 2,2'-Dipyridyl-d8 98 atom % D | 32190-42-4 | MFCD00190432 | 1G

2,2'-Dipyridyl-d8 98 atom % D | Mol Wt: 164.23 | 32190-42-4 | MFCD00190432 | 1G

ENCOMPASS
327

Sigma Aldrich Fine Chemicals Biosciences 1,3-Butadiene-d6 >=98 atom % D, >=98% (CP), contains hydroquinone as stabilizer | 1441-56-1 | MFCD00142516 | 1L

1,3-Butadiene-d6 >=98 atom % D, >=98% (CP), contains hydroquinone as stabilizer | Purity: >=98% (CP) | Mol Wt: 60.13 | 1441-56-1 | MFCD00142516 | 1L

ENCOMPASS
328

Sigma Aldrich Fine Chemicals Biosciences p-Benzoquinone-d4 98 atom % D | 2237-14-1 | MFCD00142542 | 500MG

p-Benzoquinone-d4 98 atom % D | Purity: 99% (CP) | Mol Wt: 112.12 | 2237-14-1 | MFCD00142542 | 500MG

ENCOMPASS
329

Sigma Aldrich Fine Chemicals Biosciences 1,2-Propanediol-d8 98 atom % D | 80156-55-4 | MFCD00142484 | 5G

1,2-Propanediol-d8 98 atom % D | Purity: 99% (CP) | Mol Wt: 84.14 | 80156-55-4 | MFCD00142484 | 5G

ENCOMPASS
330

eMolecules​ 2743-90-0 | (R,S)-Anatabine | Toronto Research Chemicals | MFCD00078278 | 160.220 | C10H12N2C1NC(CC=C1)c1cccnc1 | 10mg | 483380453

(R,S)-Anatabine | Toronto Research Chemicals | 2743-90-0 | MFCD00078278 | 160.220 | C10H12N2C1NC(CC=C1)c1cccnc1 | 10mg | 483380453

ENCOMPASS_PREFERRED