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Bumetanide impurity 5 is an impurity of Bumetanide.

Candesartan impurity 17 is an impurity of Candesartan.

Candesartan impurity 7 is an impurity of Candesartan.

Candesartan impurity 1 is an impurity of Candesartan.

Candesartan impurity 31 is an impurity of Candesartan.

Fluprostenol lactone diol is an intermediate used in the preparation of Fluprostenol (HY-136494).

1α,25-Dihydroxyprevitamin D3 impurity 1 is an impurity of 1α,25-Dihydroxyprevitamin D3 (HY-131450).

Itraconazole impurity 18 is an impurity of Itraconazole.

Alfacalcidol impurity 1 is an impurity of Alfacalcidol (HY-10003).

Aripiprazole impurity 5 is an impurity of Aripiprazole.

Amikacin impurity 2 (compound Impurity VI) is an impurity of Amikacin (HY-B0509A) identified in Amikacin sulfate (HY-107813).

Fmoc-Gln(Trt)-OH-¹³C₅,¹⁵N₂ is the ¹³C-labeled and ¹⁵N-labeled Fmoc-Gln(Trt)-OH (HY-W013081). Fmoc-Gln(Trt)-OH is a glutamine derivative containing amine protecting group Fmoc. Fmoc-Gln(Trt)-OH can be used in solid-phase peptide synthesis.

3-Methyl-4-nitrophenol-d₃ is the deuterium labeled 3-Methyl-4-nitrophenol (HY-W042337). 3-Methyl-4-nitrophenol, an environmental contaminant, is a well-known constituent of diesel exhaust particles and degradation products of insecticide fenitrothion. 3-Methyl-4-nitrophenol can induce nasal epithelial cell apoptosis and increase the permeability of the nasal epithelial barrier. 3-Methyl-4-nitrophenol is also toxic to the female reproductive system.

3-(1-Nitrosopyrrolidin-2-yl)pyridine-¹³C₆ is the ¹³C-labeled 3-(1-Nitrosopyrrolidin-2-yl)pyridine (HY-W189682). 3-(1-Nitrosopyrrolidin-2-yl)pyridine is a major tobacco-specific nitrosamine.

(((9H-Fluoren-9-yl)methoxy)carbonyl)-L-aspartic acid-¹⁵N is the ¹⁵N-labeled (((9H-Fluoren-9-yl)methoxy)carbonyl)-L-aspartic acid (HY-W013182). (((9H-Fluoren-9-yl)methoxy)carbonyl)-L-aspartic acid is an aspartic acid derivative.

(E)-But-2-enal-¹³C is the ¹³C-labeled (E)-But-2-enal.

Boc-L-Valine-¹⁵N is the ¹⁵N-labeled Boc-L-Valine (HY-W002300). Boc-L-Valine is a valine derivative.

4-Hydroxymephenytoin (Standard) is the analytical standard of 4-Hydroxymephenytoin. This product is intended for research and analytical applications. 4-Hydroxymephenytoin is a metabolism of an antiepileptic agent mephenytoin, which is used as a CYP2C19 substrate.

Pyridoxatin is a free radical scavenger of microbial origin. Pyridoxatin is isolated from a fungus culture identified as Acremonium sp. BX86. Pyridoxatin inhibits lipid peroxidation induced by free radicals in rat liver microsomes free from vitamin E.

Lactyl-CoA-d₃ is the deuterium labeled Lactyl-CoA (HY-141540). Lactyl-CoA is an acyl-CoA formally condensed from the sulfhydryl group of CoA and the carboxyl group of lactic acid, also known as lactyl-CoA. Lactyl-CoA is essential for the biosynthesis of biodegradable and biocompatible lactic acid-based copolymers.