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M1170

Sigma-Aldrich

Met-Arg-Phe-Ala acetate salt

≥90% (HPLC), suitable for MALDI-MS

Sinônimo(s):

L-methionyl-L-arginyl-L-phenylalanyl-L-alanine

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About This Item

Fórmula empírica (Notação de Hill):
C23H37N7O5S
Número CAS:
67368-29-0
Peso molecular:
523.65
Número MDL:
MFCD00083776
Código UNSPSC:
12352209
ID de substância PubChem:
24896621
NACRES:
NA.26

product name

Met-Arg-Phe-Ala acetate salt, ≥90% (HPLC)

Nível de qualidade

200

Ensaio

≥90% (HPLC)

forma

powder

técnica(s)

MALDI-MS: suitable

cor

white

temperatura de armazenamento

−20°C

cadeia de caracteres SMILES

CSCCC(N)C(=O)NC(CCCNC(N)=N)C(=O)NC(Cc1ccccc1)C(=O)NC(C)C(O)=O

InChI

1S/C23H37N7O5S/c1-14(22(34)35)28-21(33)18(13-15-7-4-3-5-8-15)30-20(32)17(9-6-11-27-23(25)26)29-19(31)16(24)10-12-36-2/h3-5,7-8,14,16-18H,6,9-13,24H2,1-2H3,(H,28,33)(H,29,31)(H,30,32)(H,34,35)(H4,25,26,27)

chave InChI

UWTASUKCZNGRDU-UHFFFAOYSA-N

Amino Acid Sequence

Met-Arg-Phe-Ala

Aplicação

A marker in an unambiguous method for sequencing tetrapeptides using FAB, MI, and collisional activation spectra in combination.
Met-Arg-Phe-Ala acetate salt has been used as an internal standard in the mass determination of the compounds by electrospray ionization mass spectrometry (ESI-MS). It has also been used in comparing the laser energy used in nanostructure-initiator mass spectrometry (NIMS) and matrix-assisted laser desorption/ionization (MALDI).

Código de classe de armazenamento

11 - Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

Eyeshields, Gloves, type N95 (US)

Certificados de análise (COA)

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A new analytical method based on ultra-high performance liquid chromatography (UHPLC) coupled to Orbitrap high resolution mass spectrometry (Orbitrap-HRMS) has been developed for the determination of steroid hormones (hydrocortisone, cortisone, progesterone, prednisone, prednisolone, testosterone, melengesterol acetate, hydrocortisone-21-acetate, cortisone-21-acetate, testosterone propionate
Federico Ponzetto et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 1052, 34-42 (2017-03-28)
Recently, steroid hormones quantification in blood showed a promising ability to detect testosterone doping and interesting complementarities with the urinary module of the Athlete Biological Passport (ABP). In this work, an ultra-high pressure liquid chromatography-high-resolution mass spectrometry (UHPLC-HRMS) method was
Synthesis and crystal structures of magnesium complexes with NNO Schiff base ligands bearing quinolyl pendant donors
Roberts CC and Fritsch JM
Polyhedron, 29(4), 1271-1278 (2010)
Kulik, W. and Heerma, W.
Biomedical Mass Spectrometry, 20(9), 553-553 (1991)
Hin-Koon Woo et al.
Nature protocols, 3(8), 1341-1349 (2008-08-21)
Nanostructure-initiator mass spectrometry (NIMS) is a new surface-based MS technique that uses a nanostructured surface to trap liquid ('initiator') compounds. Analyte materials adsorbed onto this 'clathrate' surface are subsequently released by laser irradiation for mass analysis. In this protocol, we
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