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Sigma-Aldrich

2-Hydroxy-5-methoxybenzoic acid

98%

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Synonym(s):
5-Methoxysalicylic acid
Linear Formula:
CH3OC6H3(OH)CO2H
CAS Number:
Molecular Weight:
168.15
Beilstein:
2209647
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

form

powder

mp

141-143 °C (lit.)

SMILES string

COc1ccc(O)c(c1)C(O)=O

InChI

1S/C8H8O4/c1-12-5-2-3-7(9)6(4-5)8(10)11/h2-4,9H,1H3,(H,10,11)

InChI key

IZZIWIAOVZOBLF-UHFFFAOYSA-N

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General description

2-Hydroxy-5-methoxybenzoic acid is matrix additive which enhances the electrical conductivity of the matrix crystal during matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS).

Application

2-Hydroxy-5-methoxybenzoic acid was used to evaluate MALDI matrix/solvent combinations for intact spore mass spectrometry of Fusarium species.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Jasmin Kemptner et al.
Rapid communications in mass spectrometry : RCM, 23(6), 877-884 (2009-02-19)
Unambiguous identification of mycotoxin-producing fungal species as Fusarium is of great relevance to agriculture and the food-producing industry as well as in medicine. Protein profiles of intact fungal spores, such as Penicillium, Aspergillus and Trichoderma, derived from matrix-assisted laser desorption/ionization
T Nishihata et al.
Journal of pharmacobio-dynamics, 7(5), 278-285 (1984-05-01)
The rectal absorption of pepleomycin sulfate (PEPS) in rats was increased significantly by the coadministration with each of diclofenac (DC), sodium 5-methoxysalicylate (5-MSA) and phenylalanine enamine of ethylacetoacetate (Enamine). 5-MSA increased the lymphatic uptake of PEPS after rectal administration while
Cole Emanuelson et al.
SLAS discovery : advancing life sciences R & D, 26(1), 58-66 (2020-09-30)
High-throughput matrix-assisted laser desorption/ionization mass spectrometry (HT-MALDI-MS) has garnered considerable attention within the drug discovery industry as an information-rich alternative to assays using light-based detection methods. To date, these efforts have been primarily focused on assays using protein or peptide
Maximilianos Kotsias et al.
PloS one, 14(1), e0210759-e0210759 (2019-01-18)
Protein O-glycosylation has shown to be critical for a wide range of biological processes, resulting in an increased interest in studying the alterations in O-glycosylation patterns of biological samples as disease biomarkers as well as for patient stratification and personalized
Beatriz Gonçalves et al.
Journal of experimental botany, 68(21-22), 5801-5811 (2017-12-01)
The CUP-SHAPED COTYLEDON (CUC) transcription factors control plant boundary formation, thus allowing the emergence of novel growth axes. While the developmental roles of the CUC genes in different organs and across species are well characterized, upstream and downstream events that

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