• USA Home
  • 85707 - 2,5-Dihydroxybenzoic acid

EMAIL THIS PAGE TO A FRIEND
85707 Sigma

2,5-Dihydroxybenzoic acid

matrix substance for MALDI-MS, >99.0% (HPLC)

Synonym: 2,5-DHBA, DHB, Gentisic acid, Hydroquinonecarboxylic acid

  • CAS Number 490-79-9

  • Linear Formula (HO)2C6H3CO2H

  • Molecular Weight 154.12

  •  Beilstein Registry Number 2209119

  •  EC Number 207-718-5

  •  MDL number MFCD00002460

Purchase

Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Glycan Labeling and Analysis, Glycobiology, Mass Spectrometry (MS),
grade   matrix substance for MALDI-MS
InChI Key   WXTMDXOMEHJXQO-UHFFFAOYSA-N
assay   >99.0% (HPLC)
mp   200-205 °C
  204-208 °C(lit.)
cation traces   Ba: ≤5 mg/kg
  Ca: ≤5 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  K: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Na: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
absorption   extinction/337 nm >2000
analyte suitability   glycans
  lipids
  organic molecules
  peptides
  polymers
  proteins

Description

Application

Most commonly used matrix for carbohydrates. For MALDI-MS of free neutral glycans. Produces [M+Na]+ ion; may show a weaker [M+K]+ ion. Other species may be generated by the addition of the appropriate inorganic salt.

Protocols & Applications

Methods of glycosylated protein analysis by Mass Spectrometry

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.




BioAnalysis

Detect Your Unseen Protein
Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
LY3850000
Protocols & Articles

Articles

Mass Spectrometry of Glycans

The development of modern mass spectrometry (MS) equipment with high resolution and mass accuracy has led to its use in analyzing glycans for both profiling and structural studies. Unlike the HPLC me...
Glycobiology Analysis Manual, 2nd Edition
Keywords: Applications, Catalysis, Centrifugation, High performance liquid chromatography, Mass spectrometry, Phase transitions, Proteomics, Reductions, Sample preparations, Search, Sequencing, Spectra

Peer-Reviewed Papers
15

References

Set your institution to view full text papers.
Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?