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T4425

Sigma-Aldrich

(6R)-5,6,7,8-Tetrahydrobiopterin dihydrochloride

≥98% (HPLC), powder

Sinónimos:

(6R)-BH4

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About This Item

Fórmula empírica (notación de Hill):
C9H15N5O3 · 2HCl
Número de CAS:
69056-38-8
Peso molecular:
314.17
Número MDL:
MFCD00891665
Código UNSPSC:
12352200
ID de la sustancia en PubChem:
24277922
NACRES:
NA.77

Nombre del producto

(6R)-5,6,7,8-Tetrahydrobiopterin dihydrochloride,

Nivel de calidad

200

solubilidad

water, oxygen free: soluble 19.60-20.40 mg/mL, clear to slightly hazy, colorless to faintly yellow

temp. de almacenamiento

−20°C

cadena SMILES

Cl.Cl.C[C@H](O)[C@H](O)[C@H]1CNC2=C(N1)C(=O)NC(N)=N2

InChI

1S/C9H15N5O3.2ClH/c1-3(15)6(16)4-2-11-7-5(12-4)8(17)14-9(10)13-7;;/h3-4,6,12,15-16H,2H2,1H3,(H4,10,11,13,14,17);2*1H/t3-,4+,6-;;/m0../s1

Clave InChI

RKSUYBCOVNCALL-NTVURLEBSA-N

Información sobre el gen

human ... PAH(5053)

Descripción general

Tetrahydrobiopterin is a natural cofactor for phenylalanine hydroxylase, tyrosine hydroxylase, tryptophan hydroxylase, nitric oxide synthase and alkylglycerol monooxygenase.

Aplicación

(6R)-BH4 has been used as a buffer component for assaying tyrosine hydroxylase enzyme activity in mouse brain tissues. (6R)-BH4 has also been identified as an activator compound from a LOPAC library screen using a fluorogenic α-glucosidase assay.

Acciones bioquímicas o fisiológicas

Lack of tetrahydrobiopterin may cause hyperphenylalaninemia. Diseases like, Parkinson′s, autism, depression and Alzheimer′s shows low concentration of tetrahydrobiopterin in the cerebrospinal fluid. This coenzyme participates in dopamine (DA) synthesis.

Características y beneficios

This compound is featured on the Dopamine, Norepinephrine and Epinephrine Synthesis and Nitric Oxide Synthases pages of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Nota de preparación

(6R)-5,6,7,8-Tetrahydrobiopterin dihydrochloride ((6R)-BH4 ) is soluble in oxygen free water at 19.60 - 20.40 mg/ml and yields a clear to slightly hazy, colorless to faint yellow solution.

Pictogramas

Exclamation mark
GHS07

Palabra de señalización

Warning

Frases de peligro

H302

Clasificaciones de peligro

Acute Tox. 4 Oral

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
0000409697
0000401299
0000401299
0000409697
0000321498

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Katja Schmitz et al.
Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics, 18(3), 1862-1879 (2021-04-13)
Depletion of the enzyme cofactor, tetrahydrobiopterin (BH4), in T-cells was shown to prevent their proliferation upon receptor stimulation in models of allergic inflammation in mice, suggesting that BH4 drives autoimmunity. Hence, the clinically available BH4 drug (sapropterin) might increase the
E R Werner et al.
Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine (New York, N.Y.), 203(1), 1-12 (1993-05-01)
Biosynthesis of tetrahydrobiopterin starts from guanosine triphosphate by the action of guanosine triphosphate cyclohydrolase I, which yields the first intermediate, 7,8-dihydroneopterin triphosphate. This compound is then converted by subsequent enzymes, 6-pyruvoyl tetrahydropterin synthase and sepiapterin reductase, to tetrahydrobiopterin, the biologically
José Carlos Rivera et al.
Journal of neuroinflammation, 14(1), 181-181 (2017-09-07)
Tetrahydrobiopterin (BH4) is an essential cofactor in multiple metabolic processes and plays an essential role in maintaining the inflammatory and neurovascular homeostasis. In this study, we have investigated the deleterious effects of BH4 deficiency on retinal vasculature during development. hph-1
Rebecca Ebenhoch et al.
Proceedings of the National Academy of Sciences of the United States of America, 117(50), 31838-31849 (2020-11-25)
Guanosine triphosphate (GTP) cyclohydrolase I (GCH1) catalyzes the conversion of GTP to dihydroneopterin triphosphate (H2NTP), the initiating step in the biosynthesis of tetrahydrobiopterin (BH4). Besides other roles, BH4 functions as cofactor in neurotransmitter biosynthesis. The BH4 biosynthetic pathway and GCH1
Keun-Sung Lee et al.
The Korean journal of physiology & pharmacology : official journal of the Korean Physiological Society and the Korean Society of Pharmacology, 17(1), 89-97 (2013-02-27)
Developing an animal model for a specific disease is very important in the understanding of the underlying mechanism of the disease and allows testing of newly developed new drugs before human application. However, which of the plethora of experimental animal
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