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MilliporeSigma

429767

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:
150-13-0
Molecular Weight:
137.14
NACRES:
NA.22
PubChem Substance ID:
24866888
eCl@ss:
32160406
UNSPSC Code:
12352106
EC Number:
205-753-0
MDL number:
MFCD00007894
Beilstein/REAXYS Number:
471605

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Product Name

4-Aminobenzoic acid, purified by sublimation, ≥99%

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

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

Quality Level

100

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1 of 4

This Item
A98781005368.22312
4-Aminobenzoic acid purified by sublimation, ≥99%

Sigma-Aldrich

429767

4-Aminobenzoic acid

4-Aminobenzoic acid ReagentPlus®, ≥99%

Sigma-Aldrich

A9878

4-Aminobenzoic acid

4-Aminobenzoic acid ReagentPlus®, 99%

Sigma-Aldrich

100536

4-Aminobenzoic acid

4-Aminobenzoic acid for synthesis

Sigma-Aldrich

8.22312

4-Aminobenzoic acid

form

solid

form

powder

form

solid

form

solid

assay

≥99%

assay

≥99%

assay

99%

assay

≥99.0% (acidimetric)

Quality Level

100

Quality Level

100, 200

Quality Level

200

Quality Level

200

mp

187-189 °C (lit.)

mp

187-189 °C (lit.)

mp

187-189 °C (lit.)

mp

186-189 °C

purified by

sublimation

purified by

-

purified by

-

purified by

-

reaction suitability

reaction type: solution phase peptide synthesis

reaction suitability

reaction type: solution phase peptide synthesis

reaction suitability

reaction type: solution phase peptide synthesis

reaction suitability

-

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

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000496686
0000496686
0000319532
0000314486
0000314486

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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
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
Shu-Ting Chen et al.
Journal of the American Society for Mass Spectrometry, 23(8), 1408-1418 (2012-06-08)
A strategy based on negative ion electrospray ionization tandem mass spectrometry and closed-ring labeling with both 8-aminopyrene-1,3,6-trisulfonate (APTS) and p-aminobenzoic acid ethyl ester (ABEE) was developed for linkage and branch determination of high-mannose oligosaccharides. X-type cross-ring fragment ions obtained from
L O Derewlany et al.
The Journal of pharmacology and experimental therapeutics, 269(2), 756-760 (1994-05-01)
The fetus is exposed to almost all of the substances found in the maternal circulation whether nutrients or foreign chemicals ("xenobiotics"). The main route of exposure is the placenta. The placenta is metabolically active toward xenobiotics and the nature of
Steven C Bremmer et al.
Chemical communications (Cambridge, England), 48(44), 5482-5484 (2012-04-28)
A modular system for detecting protease activity via enzyme-triggered gel formation is described. Protease-specific recognition sequences are utilized to achieve enzyme specificity. Artificial blood clotting is demonstrated by activating endogenous thrombin to trigger gelation in fibrinogen-deficient blood plasma.
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