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Merck
CN

Y0001242

Folic acid impurity A

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

N-(4-Aminobenzoyl)-L-glutamic acid

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About This Item

Empirical Formula (Hill Notation):
C12H14N2O5
CAS Number:
Molecular Weight:
266.25
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
2816320
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Product Name

Folic acid impurity A, European Pharmacopoeia (EP) Reference Standard

InChI

1S/C12H14N2O5/c13-8-3-1-7(2-4-8)11(17)14-9(12(18)19)5-6-10(15)16/h1-4,9H,5-6,13H2,(H,14,17)(H,15,16)(H,18,19)/t9-/m0/s1

SMILES string

Nc1ccc(cc1)C(=O)N[C@@H](CCC(O)=O)C(O)=O

InChI key

GADGMZDHLQLZRI-VIFPVBQESA-N

grade

pharmaceutical primary standard

API family

folic acid

manufacturer/tradename

EDQM

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

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Application

Folic acid impurity A EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the Issuing Pharmacopoeia. For further information and support please go to the website of the issuing Pharmacopoeia.

Other Notes

Sales restrictions may apply.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Marie A Caudill et al.
The Journal of nutrition, 132(9), 2613-2616 (2002-09-11)
Folate catabolism represents the major route of folate turnover in humans and involves cleavage of the C9-N10 bond producing a pterin and para-aminobenzoylglutamate (pABG). Thus, the quantitation of pABG and its acetylated more predominant counterpart para-acetamidobenzolyglutamate (apABG) may be useful
Regina S Scurachio et al.
Photochemistry and photobiology, 87(4), 840-845 (2011-03-08)
Folate is shown to react with singlet-excited state of riboflavin in a diffusion controlled reaction and with triplet-excited state of riboflavin in a somewhat slower reaction with (3)k(q) = 4.8 × 10(8) L mol(-1) s(-1) in aqueous phosphate buffer at
Guifeng Li et al.
The journal of physical chemistry. B, 116(10), 3467-3475 (2012-03-01)
Conformational control of excited-state intramolecular electron transfer (ET) in folic acid (FA) has been investigated using femtosecond time-resolved infrared (TRIR) spectroscopy. Ultrafast excited-state ET between the pterin and the 4-aminobenzoyl subunits of FA is observed for the anionic form (at
M Laura Dántola et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 9(12), 1604-1612 (2010-10-06)
Folic acid, or pteroyl-l-glutamic acid (PteGlu), is a precursor of coenzymes involved in the metabolism of nucleotides and amino acids. PteGlu is composed of three moieties: a 6-methylpterin (Mep) residue, a p-aminobenzoic acid (PABA) residue, and a glutamic acid (Glu)
Judith M Wolfe et al.
The American journal of clinical nutrition, 77(4), 919-923 (2003-03-29)
The major route of folate turnover is by catabolic cleavage of the C9-N10 bond producing p-aminobenzoylglutamate (pABG) and its primary excretory form, p-acetamidobenzoylglutamate (ApABG). We hypothesize that total pABG (ApABG + pABG) excretion parallels both the mass of body folate

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