328022
4-Methylhippuric acid
98%
Synonym(s):
N-(4-Methylbenzoyl)glycine, p-Toluric acid
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About This Item
Linear Formula:
CH3C6H4CONHCH2CO2H
CAS Number:
Molecular Weight:
193.20
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
98%
form
powder
mp
163-165 °C (lit.)
SMILES string
Cc1ccc(cc1)C(=O)NCC(O)=O
InChI
1S/C10H11NO3/c1-7-2-4-8(5-3-7)10(14)11-6-9(12)13/h2-5H,6H2,1H3,(H,11,14)(H,12,13)
InChI key
NRSCPTLHWVWLLH-UHFFFAOYSA-N
Related Categories
General description
4-Methylhippuric acid is the major metabolite of xylene and has been determined in urine by gas chromatography.
Storage Class Code
11 - Combustible Solids
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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Measurement of exposure to xylenes by separate determination of m- and p-methylhippuric acids in urine.
M Morin et al.
Journal of chromatography, 210(2), 346-349 (1981-06-05)
Peter T Mayer et al.
Journal of pharmaceutical sciences, 91(3), 640-646 (2002-03-29)
The barrier domain solubility-diffusion theory of lipid bilayer permeability relates the permeability coefficient (P(m)) to the solute's partition coefficient (PC(barrier/w)) and diffusion coefficient (D(barrier)) in the ordered chain region of the bilayer that serves as the barrier region for polar
P T Mayer et al.
AAPS pharmSci, 2(2), E14-E14 (2001-12-14)
To explore the independence of functional group contributions to permeability of nonelectrolytes across egg lecithin bilayers, the transport rates were measured of a series of alpha-substituted p-methylhippuric acids (-H, -Cl, -OCH3, -CN, -OH, -COOH, and -CONH2) across egg lecithin lipid
G Bieniek et al.
British journal of industrial medicine, 38(3), 304-306 (1981-08-01)
The separation of hippuric and m-methylhippuric acid as toluene and m-xylene metabolites present in urine of people exposed simultaneously to toluene and xylene is described. Chloroform was used for hippuric and m-methylhippuric acid extraction. Satisfactory separation of these metabolites was
M Ogata et al.
International archives of occupational and environmental health, 58(2), 121-129 (1986-01-01)
A new method for the direct determination of hippuric acid (HA) and o-, m- and p-methylhippuric acids (MHAs) in the urine, metabolites of toluene and o-, m- and p-xylenes by high performance liquid chromatography (HPLC) is described. A stainless-steel column
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