M1170
Met-Arg-Phe-Ala acetate salt
≥90% (HPLC), suitable for MALDI-MS
Sinónimos:
L-methionyl-L-arginyl-L-phenylalanyl-L-alanine
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Fórmula empírica (notación de Hill):
C23H37N7O5S
Número CAS:
Peso molecular:
523.65
UNSPSC Code:
12352209
PubChem Substance ID:
NACRES:
NA.26
MDL number:
Servicio técnico
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Permítanos ayudarleNombre del producto
Met-Arg-Phe-Ala acetate salt, ≥90% (HPLC)
Quality Level
assay
≥90% (HPLC)
form
powder
technique(s)
MALDI-MS: suitable
color
white
storage temp.
−20°C
SMILES string
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)
InChI key
UWTASUKCZNGRDU-UHFFFAOYSA-N
Application
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).
A marker in an unambiguous method for sequencing tetrapeptides using FAB, MI, and collisional activation spectra in combination.
Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Kulik, W. and Heerma, W.
Biomedical Mass Spectrometry, 20(9), 553-553 (1991)
Marina López-García et al.
Journal of chromatography. A, 1540, 21-30 (2018-02-06)
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