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Isotopically Labeled Compounds

Chemicals to which isotopes have been attached in order to label specific atoms. Isotopically labeled compounds are commonly used in synthetic chemistry, characterization techniques such as NMR, and biology.
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1,531 – 1,545 of 8,944 results
1,531

Revvity Health Sciences Inc Cholesterol, [1,2-3H(N)]-, 1mCi (37MBq)

Cholesterol, [1,2-3H(N)]-, 1mCi (37MBq)

ENCOMPASS
1,532

Sigma Aldrich Fine Chemicals Biosciences 2-Chlorophenol-3,4,5,6-d4 98 atom % D | 93951-73-6 | MFCD00142898 | 100MG

2-Chlorophenol-3,4,5,6-d4 98 atom % D | Purity: 99% (CP) | Mol Wt: 132.58 | 93951-73-6 | MFCD00142898 | 100MG

ENCOMPASS
1,533

Cambridge Isotope Laboratories Ammonia (15N 98%) 0 1 L

Ammonia (15N 98%) 0 1 L

ENCOMPASS
1,534

Cambridge Isotope Laboratories Ethylene (1 2-13C2 99%) 1 L

Ethylene (1 2-13C2 99%) 1 L

ENCOMPASS
1,535

Medchemexpress LLC 1,1,2,2-tetradeuterioethane-1,2-diol | 2219-51-4 | MFCD00144289 | 99.8% | 66.09 g·mol⁻¹ | C2H2D4O2 | 50mg
SDP

Ethylene glycol-d4 is the deuterium labeled Ethylene glycol[1]

ENCOMPASS_PREFERRED
1,536

Cambridge Isotope Laboratories 1-Bromodecane (D21 98%) 1 g

1-Bromodecane (D21 98%) 1 g

ENCOMPASS
1,537

Cambridge Isotope Laboratories Celtone base powder (15N 98%) 0 5 g

Celtone base powder (15N 98%) 0 5 g

ENCOMPASS
1,538

Sigma Aldrich Fine Chemicals Biosciences 1,4-Diaminobutane-2,2,3,3-d4 dihydrochloride 98 atom % D | 88972-24-1 | MFCD01075442 | 500MG

1,4-Diaminobutane-2,2,3,3-d4 dihydrochloride 98 atom % D | Mol Wt: 165.1 | 88972-24-1 | MFCD01075442 | 500MG

ENCOMPASS
1,539

Cambridge Isotope Laboratories TOLUENE-D8"100%"(D,-10X0.75ML

Toluene-d8 100% (d, 99.94%)-10x0.75 Ml

ENCOMPASS_PREFERRED
1,540

Medchemexpress LLC D-Fructose-d 5mg | 5MG
SDP

D-Fructose-d 5mg | 5MG

ENCOMPASS_PREFERRED
1,541

Cambridge Isotope Laboratories Methylene Chloride-d2 (d, 99.9%), 1665-00-5, MFCD00000882, 5 g

Chemical Formula: CD2Cl2, MW: 86.94, 99.8%, Synonyms: Dichloromethane; Methylene dichloride.

ENCOMPASS_PREFERRED
1,542

Medchemexpress LLC 2,4-dimethylaniline-d6 | 1071170-27-8 | MFCD22565800 | 99.0% | 127.22 | C8H5D6N | 5 MG
SDP

2,4-Xylidine-d6 is the deuterium-labeled analogue of 2,4-xylidine (2,4-dimethylaniline) used as a stable isotope standard and tracer in analytical chemistry and mass spectrometry. It is supplied for laboratory research use only.

  • Deuterium-labeled internal standard for mass spectrometry and tracer studies.
  • Molecular formula C8H5D6N; molecular weight 127.22.
  • CAS number 1071170-27-8.
  • Supplied in small preweighed quantities suitable for analytical standards.
  • High purity (≈99.0%) based on certificate of analysis.

ENCOMPASS_PREFERRED
1,543

American Radiolabeled Chemicals Inc ADENOSINE 5 8-3H 1LC
SDP

Adenosine-5',8-3H 1mCi in ethanol:water (1:1), 1 mCi/ml, S.A. 60-90 Ci/mmol, M.W. 267.24, Shipped in Dry Ice

ENCOMPASS_PREFERRED
1,544

American Radiolabeled Chemicals Inc L-689 560 10ME
SDP

L-689,560 as a solid 10mg, M.W. 380.0, CAS # 139051-78-8

ENCOMPASS
1,545

Sigma Aldrich Fine Chemicals Biosciences Methanol-d4, 811-98-3, MFCD00044637, 10 x 0.75mL

Linear Formula CD3OD, Molecular Weight 36.07, ≥99.8 atom % D, contains 0.03 % (v/v) TMS, Synonym: Methyl-d3 alcohol d, Tetradeuteromethanol; Methanol-d4 is a deuterated NMR solvent containing 0.03 % (v/v) TMS (trimethylsilane). It is useful in NMR-based research and analyses.

ENCOMPASS