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Merck
CN

V900614

4-Aminobenzoic acid

Vetec™, reagent grade, 98%

Synonym(s):

PABA, Vitamin Bx, Vitamin H1

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About This Item

Linear Formula:
H2NC6H4CO2H
CAS Number:
150-13-0
Molecular Weight:
137.14
EC Number:
205-753-0
UNSPSC Code:
12352200
PubChem Substance ID:
329829974
Beilstein/REAXYS Number:
471605
MDL number:
MFCD00007894

Key Documents

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Product Name

4-Aminobenzoic acid, Vetec™, reagent grade, 98%

InChI key

ALYNCZNDIQEVRV-UHFFFAOYSA-N

InChI

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

SMILES string

Nc1ccc(cc1)C(O)=O

grade

reagent grade

product line

Vetec™

assay

98%

form

powder

reaction suitability

reaction type: solution phase peptide synthesis

color

white to off-white

mp

187-189 °C (lit.)

density

1.374 g/mL at 25 °C (lit.)

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Legal Information

Vetec is a trademark of Merck KGaA, Darmstadt, Germany

hcodes

H412

Hazard Classifications

Aquatic Chronic 3

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

339.8 °F - closed cup

flash_point_c

171 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
WXBB0517

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Lei Zhou et al.
Water research, 47(1), 153-162 (2012-10-23)
Dissolved organic matter (DOM) is an important photosensitizer for the phototransformation of organic contaminants in sunlit natural waters. This article focuses on the photolysis kinetics and mechanism of sunscreen agent p-aminobenzoic acid (PABA) in the presence of four kinds of
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
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
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