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Merck
CN

37296

Sigma-Aldrich

Dihydrofolic acid

≥88% (enzymatic)

Synonym(s):

7,8-Dihydropteroyl-L-glutamic acid, Dihydropteroyl-L-glutamic acid, FAH2

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About This Item

Empirical Formula (Hill Notation):
C19H21N7O6
CAS Number:
4033-27-6
Molecular Weight:
443.41
Beilstein:
69017
MDL number:
MFCD00083619
UNSPSC Code:
12352200

Key Documents

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Assay

≥88% (enzymatic)

impurities

≤12% water

solubility

0.1 M NaOH: 10 mg/mL, slightly hazy, orange

SMILES string

NC1=NC(=O)C2=C(NCC(CNc3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O)=N2)N1

InChI

1S/C19H21N7O6/c20-19-25-15-14(17(30)26-19)23-11(8-22-15)7-21-10-3-1-9(2-4-10)16(29)24-12(18(31)32)5-6-13(27)28/h1-4,12,21H,5-8H2,(H,24,29)(H,27,28)(H,31,32)(H4,20,22,25,26,30)/t12-/m0/s1

InChI key

OZRNSSUDZOLUSN-LBPRGKRZSA-N

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General description

Intermediate in mammalian conversion of dietary folic acid to tetrahydrofolate by dihydrofolate reductase (DHFR). In bacteria, dihydrofolic acid is generated from 7,8-dihydropteroate by dihydrofolate synthetase.

Other Notes

Assay of dihydrofolate reductase

Regulatory Information

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Dihydrofolate reductase: a coupled radiometric assay.
P Reyes et al.
Methods in enzymology, 122, 360-367 (1986-01-01)
Samuel Thompson et al.
eLife, 9 (2020-07-24)
Protein mutational landscapes are shaped by the cellular environment, but key factors and their quantitative effects are often unknown. Here we show that Lon, a quality control protease naturally absent in common E. coli expression strains, drastically reshapes the mutational

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