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T3125

Sigma-Aldrich

Tetrahydrofolic acid

≥65% (when packaged), powder

Synonyme(s) :

5,6,7,8-Tetrahydropteroyl-L-glutamic acid, THF

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About This Item

Formule empirique (notation de Hill):
C19H23N7O6
Numéro CAS:
Poids moléculaire :
445.43
Beilstein:
9238187
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352204
ID de substance PubChem :
Nomenclature NACRES :
NA.51
Le tarif et la disponibilité ne sont pas disponibles actuellement.

Source biologique

synthetic

Niveau de qualité

Forme

powder

Concentration

≥65% (when packaged)

Couleur

faintly yellow to light brown

Solubilité

0.1 M phosphate pH 7.0: soluble-5 mg/mL, clear to slightly hazy, light yellow to brownish-yellow

Température de stockage

−20°C

Chaîne SMILES 

NC1=NC2=C(NC(CNc3ccc(cc3)C(=O)N[C@@H](CCC(O)=O)C(O)=O)CN2)C(=O)N1

InChI

1S/C19H23N7O6/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/h1-4,11-12,21,23H,5-8H2,(H,24,29)(H,27,28)(H,31,32)(H4,20,22,25,26,30)/t11?,12-/m0/s1

Clé InChI

MSTNYGQPCMXVAQ-KIYNQFGBSA-N

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Catégories apparentées

Application

Tetrahydrofolic acid has been used to determine the inhibitory effect of tetrahydrofolate on polymorphonuclear myeloid-derived suppressor cells (PMN-MDSCs).[1] A recent use of tetrahydrofolate (THF) is for studying the activation of riboswitches.
Tetrahydrofolic acid may also be used as a standard to generate calibration curve to quantify the folate types produced by Streptococcus thermophilus in milk cultures using high-performance liquid chromatography (HPLC).[2] It is also suitable for use in the enzymatic assay of formate-tetrahydrofolate ligase from M. extorquens (MeFtfL).[3]

Actions biochimiques/physiologiques

Tetrahydrofolic acid is the parent molecule of the folate derivatives that donate one-carbon units to amino acids, nucleic acids, and lipids. Tetrahydrofolate metabolites participate in the synthesis of purine and pyrimidine and in synthesis and conversion of amino acids

Conditionnement

Sealed ampule.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)


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Les clients ont également consulté

Yoko Chiba et al.
The FEBS journal, 279(3), 504-514 (2011-12-07)
Serine hydroxymethyltransferase catalyzes the cleavage of β-hydroxyamino acids into glycine and aldehydes in the absence of tetrahydrofolate. The enzyme accepts various β-hydroxyamino acids as the substrate of this reaction. The reaction rate varies depending on the substituent and stereochemistry at
Avinash C Srivastava et al.
Plant physiology, 155(3), 1237-1251 (2011-01-15)
A recessive Arabidopsis (Arabidopsis thaliana) mutant with short primary roots and root hairs was identified from a forward genetic screen. The disrupted gene in the mutant encoded the plastidial isoform of folylpolyglutamate synthetase (FPGS), previously designated as AtDFB, an enzyme
Tyler D Ames et al.
Chemistry & biology, 17(7), 681-685 (2010-07-28)
Comparative sequence analyses of bacterial genomes are revealing many structured RNA motifs that function as metabolite-binding riboswitches. We have identified an RNA motif frequently positioned in the 5' UTRs of folate transport and biosynthesis genes in Firmicute genomes. Biochemical experiments
Francisco García-Molina et al.
Journal of agricultural and food chemistry, 59(4), 1383-1391 (2011-01-27)
The coenzyme tetrahydrofolic acid is the most rapid suicide substrate of tyrosinase that has been characterized to date. A kinetic study of the suicide inactivation process provides the kinetic constants that characterize it: λ(max), the maximum apparent inactivation constant; r
Changhua Yu et al.
Journal of cancer research and clinical oncology, 138(2), 255-259 (2011-11-23)
The purpose of the current study is to evaluate the efficacy and complications of concurrent chemoradiotherapy (CCRT) for the treatment of gastric cancer patients after D1/D2 surgery. Sixty-eight untreated gastric cancer patients (T3/T4 and/or N+) were enrolled. After surgery, they

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Questions

  1. Gibt es Angaben darüber, aus was die verbleibenden 35 % des Produktes bestehen?

    1 answer
    1. Unfortunately, this product is not tested to determine the identity of any impurities.

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