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Merck

Determination of allantoin in biological, cosmetic, and pharmaceutical samples.

Journal of AOAC International (1996-05-01)
X B Chen, W Matuszewski, J Kowalczyk
RESUMO

Methods for determining allantoin in biological, cosmetic, and pharmaceutical samples are reviewed. The methods cover 3 main categories: spectrophotometry, alkalimetric titration, and chromatography (thin-layer and liquid). Comments are given on suitability for different sample types and on further development of methods for allantoin determination.

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Sigma-Aldrich
Allantoin, ≥98.0% (N)
Supelco
Allantoin, Pharmaceutical Secondary Standard; Certified Reference Material
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Allantoin, analytical standard
Allantoin, European Pharmacopoeia (EP) Reference Standard