01-3460

Sigma-Aldrich

4-Aminobenzoic acid

SAJ special grade, 99.5-100.2%

Synonym(s):
Vitamin H1, Vitamin Bx, PABA
Linear Formula:
H2NC6H4CO2H
CAS Number:
Molecular Weight:
137.14
Beilstein/REAXYS Number:
471605
EC Number:
MDL number:
PubChem Substance ID:

grade

SAJ special grade

assay

99.5-100.2%

form

solid

availability

available only in Japan

application(s)

peptide synthesis: suitable

mp

186-189 °C
187-189 °C (lit.)

solubility

water: 4.7 g/L at 20 °C

density

1.374 g/mL at 25 °C (lit.)

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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storage_class_code

11 - Combustible Solids

WGK Germany

WGK 2

Flash Point(F)

339.8 °F

Flash Point(C)

171 °C

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

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...
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...
D Laufer et al.
Gastroenterology, 101(1), 207-213 (1991-07-01)
The bentiromide test was evaluated using plasma p-aminobenzoic acid as an indirect test of pancreatic insufficiency in young children between 2 months and 4 years of age. To determine the optimal test method, the following were examined: (a) the best...
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...
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...

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