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European Pharmacopoeia (EP) Reference Standard

(S)-2-Amino-4-(methylmercapto)butyric acid, L-2-Amino-4-(methylthio)butanoic acid, L-Methionine
Fórmula lineal:
Número de CAS:
Peso molecular:
Número MDL:
ID de la sustancia en PubChem:


pharmaceutical primary standard




284 °C (dec.) (lit.)


pharmaceutical (small molecule)



SMILES string




InChI key


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Descripción general

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.


Unit quantity: 60 mg. Subject to change. The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.


Otras notas

Sales restrictions may apply.

Código de clase de almacenamiento

13 - Non Combustible Solids



Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Certificado de Análisis

Certificado de origen

Ronald O Ball et al.
The Journal of nutrition, 136(6 Suppl), 1682S-1693S (2006-05-17)
Sulfur amino acid metabolism has been receiving increased attention because of the link to chronic diseases such as cardiovascular disease, Alzheimer's disease, and diabetes. In addition, the role of cysteine and optimal intakes for physiological substrates such as glutathione are
Andor W J M Glaudemans et al.
European journal of nuclear medicine and molecular imaging, 40(4), 615-635 (2012-12-13)
(11)C-methionine (MET) is the most popular amino acid tracer used in PET imaging of brain tumours. Because of its characteristics, MET PET provides a high detection rate of brain tumours and good lesion delineation. This review focuses on the role
Camilla Schalin-Jäntti et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 54(5), 739-747 (2013-04-05)
All patients with primary hyperparathyroidism should undergo localization studies before reoperation, but it is not known which method is most accurate. The purpose of this prospective study was to compare the performance of planar scintigraphy with (123)I/(99m)Tc-sestamibi, (99m)Tc-sestamibi SPECT (SPECT/CT)
B Almé et al.
Journal of lipid research, 18(3), 339-362 (1977-05-01)
A method is described for quantitative analysis of bile acids in urine. Urine is acidified and bile acids are extracted on an Amberlite XAD-2 column. Bile salts are converted to acids on an Amberlyst A-15 column and are separated into
Leen Mathys et al.
PloS one, 9(6), e101181-e101181 (2014-06-27)
N-linked glycans covering the surface of the HIV-1 glycoprotein gp120 are of major importance for the correct folding of this glycoprotein. Of the, on average, 24 N-linked glycans present on gp120, the glycan at Asn260 was reported to be essential


USP HPLC Analysis of L-Methionine on Ascentis® Express OH5

Separation of L-Methionine, Pharmaceutical Secondary Standard; Certified Reference Material


GC Analysis of Amino Acids (as TBDMS Derivatives) on SLB®-5ms (20 m x 0.18 mm I.D., 0.18 μm), Fast GC Analysis

Separation of L-Alanine; Glycine; L-Valine; L-Leucine; L-Isoleucine; L-Proline; L-Methionine; L-Serine; L-Threonine; L-Phenylalanine; L-Aspartic acid; L-4-Hydroxyproline; L-Cysteine; L-Glutamic acid; L-Asparagine; L-Lysine; L-Glutamine; L-Histidine; L-Tyrosine; L-Tryptophan; L-Cystine

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