06930
4-Aminobenzoic acid
≥99.0% (HPLC)
Synonym(s):
PABA, Vitamin Bx, Vitamin H1
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About This Item
Linear Formula:
H2NC6H4CO2H
CAS Number:
Molecular Weight:
137.14
EC Number:
205-753-0
UNSPSC Code:
12352200
MDL number:
Beilstein/REAXYS Number:
471605
assay
≥99.0% (HPLC)
mp
186-188 °C, 187-189 °C (lit.)
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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Other Notes
Paper chromatography of nicotinic acid derivatives - PABA in a spray for the detection of tertiary pyridine compounds
hcodes
pcodes
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
Regulatory Information
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Paper chromatography of nicotinic acid derivatives.
E KODKICEK et al.
Nature, 168(4272), 475-477 (1951-09-15)
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
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.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 139009-100G | 04061837670275 |
| 139009-2.5KG | 04061838125040 |
| 139009-500G | 04061838732606 |
| 8032820025 | 04022536380520 |
| 33482-50ML-F | 04061837672422 |
| 8032822500 | 04022536761251 |
| 8032820100 | 04022536380537 |
| 139009-25G | 04061837670282 |
| 139009-2X2G | 04061835550739 |
| 33482-1L-F | 04061837672408 |
| 33482-250ML-F | 04061837672415 |
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