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Key Documents

429767

Sigma-Aldrich

4-Aminobenzoic acid

purified by sublimation, ≥99%

Synonym(s):

PABA, Vitamin Bx, Vitamin H1

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About This Item

Linear Formula:
H2NC6H4CO2H
CAS Number:
Molecular Weight:
137.14
Beilstein:
471605
EC Number:
MDL number:
UNSPSC Code:
12352106
eCl@ss:
32160406
PubChem Substance ID:
NACRES:
NA.22

Assay

≥99%

form

solid

purified by

sublimation

reaction suitability

reaction type: solution phase peptide synthesis

mp

187-189 °C (lit.)

density

1.374 g/mL at 25 °C (lit.)

application(s)

peptide synthesis

SMILES string

Nc1ccc(cc1)C(O)=O

InChI

1S/C7H7NO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,8H2,(H,9,10)

InChI key

ALYNCZNDIQEVRV-UHFFFAOYSA-N

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Hazard Statements

Precautionary Statements

Hazard Classifications

Aquatic Chronic 3

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

339.8 °F - closed cup

Flash Point(C)

171 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Kirk E Hevener et al.
Journal of medicinal chemistry, 53(1), 166-177 (2009-11-11)
Dihydropteroate synthase (DHPS) is a key enzyme in bacterial folate synthesis and the target of the sulfonamide class of antibacterials. Resistance and toxicities associated with sulfonamides have led to a decrease in their clinical use. Compounds that bind to the
Felipe Conzuelo et al.
Biosensors & bioelectronics, 36(1), 81-88 (2012-04-28)
The preparation and performance of a disposable amperometric immunosensor, based on the use of a selective capture antibody and screen-printed carbon electrodes (SPCEs), for the specific detection and quantification of sulfonamide residues in milk is reported. The antibody was covalently
Reza Forghani et al.
Radiology, 263(2), 451-460 (2012-03-23)
To evaluate myeloperoxidase (MPO) as a newer therapeutic target and bis-5-hydroxytryptamide-diethylenetriaminepentaacetate-gadolinium (Gd) (MPO-Gd) as an imaging biomarker for demyelinating diseases such as multiple sclerosis (MS) by using experimental autoimmune encephalomyelitis (EAE), a murine model of MS. Animal experiments were approved
Bhupinder Virk et al.
BMC biology, 10, 67-67 (2012-08-02)
Gut microbes influence animal health and thus, are potential targets for interventions that slow aging. Live E. coli provides the nematode worm Caenorhabditis elegans with vital micronutrients, such as folates that cannot be synthesized by animals. However, the microbe also
P R Durie et al.
The Journal of pediatrics, 121(3), 413-416 (1992-09-01)
We assessed the diagnostic capability of the bentiromide test using a high-pressure liquid-chromatography method to analyze p-aminobenzoic acid and its metabolites in plasma as an indirect measure of exocrine pancreatic function. Mean total amine concentration in pancreatic-insufficient subjects was significantly

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