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Labelled

Our labeled active pharmaceutical ingredient (API) standards provide laboratories with precise and reliable tools for quantitative analysis. These standards, marked with isotopes such as deuterium or 13C, ensure accurate internal calibration and correct for matrix effects in complex samples. This leads to more consistent and reproducible results, essential for drug development and regulatory compliance. By using our labeled API standards,laboratories can enhance the accuracy of their analytical methods and streamline validation processes.

53866-32-3

16alpha-hydroxy-17beta-estradiol-2,4 D2

53866-32-3
81586-94-9

17alpha-estradiol-2,4 D2

81586-94-9
350820-06-3

17alpha-ethynyl estradiol-2,4,16,16 D4

350820-06-3
56588-58-0

Estrone-16,16 D2

56588-58-0
69533-54-6

Epichlorhydrin D5

69533-54-6
NA

Epoxiconazole D4

NA
221093-45-4

17beta-Estradiol 2,4,16,16,17-D5

221093-45-4
1335401-17-6

Eugenol D3

1335401-17-6
959119-26-7

Erythromycin-13C D3

959119-26-7
1189977-29-4

(±)-Epinephrine D3 (N-methyl D3)

1189977-29-4
1219803-77-6

(±)-Epinephrine-2,5,6,alpha,beta,beta D6

1219803-77-6
1276197-46-6

(±)-Etodolac D3 (1-ethyl-2,2,2 D3)

1276197-46-6
285979-74-0

(1R,2R)-(-)-Pseudoephedrine D3 HCl (N-methyl D3)

285979-74-0
350820-08-5

(1R,2S)-(-)-Ephedrine D6 HCl (dimethyl D6)

350820-08-5
352438-64-3

(1R,2S)-(-)-Norephedrine-gamma,gamma,gamma D3 HCl

352438-64-3
285979-73-9

(1S,2R)-(+)-Ephedrine D3 HCl (N-methyl D3)

285979-73-9
284665-25-4

(1S,2S)-(+)-Pseudoephedrine D3 HCl (N-Me D3)

284665-25-4
1129526-24-4

(2S,2'S)-Ethambutol D10 (1,1,1',1',2,2' D6, ethylene D4)

1129526-24-4
1129526-19-7

(2S,2'S)-Ethambutol D4 (ethylene D4)

1129526-19-7
NA

16-Keto-17beta-estradiol-2,4,15,15,17 D5

NA