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H43415

Sigma-Aldrich

4-Hydroxy-6-methyl-2-pyrone

98%

Synonym(s):

3,5-Dihydroxysorbic acid δ-lactone

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About This Item

Empirical Formula (Hill Notation):
C6H6O3
CAS Number:
675-10-5
Molecular Weight:
126.11
Beilstein:
113815
EC Number:
211-619-2
MDL number:
MFCD00006641
UNSPSC Code:
12352100
PubChem Substance ID:
24895638
NACRES:
NA.22

Assay

98%

mp

188-190 °C (dec.) (lit.)

SMILES string

CC1=CC(O)=CC(=O)O1

InChI

1S/C6H6O3/c1-4-2-5(7)3-6(8)9-4/h2-3,7H,1H3

InChI key

NSYSSMYQPLSPOD-UHFFFAOYSA-N

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Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Irreversible inactivation of chicken liver fatty acid synthetase by its substrates acetyl and malonyl CoA. Effect of temperature and NADP n fatty acid and triacetic acid lactone synthesis.
K R Srinivasan et al.
Biochemical and biophysical research communications, 99(3), 920-927 (1981-04-15)
J B Spencer et al.
The Biochemical journal, 288 ( Pt 3), 839-846 (1992-12-15)
6-Methylsalicylic acid synthase has been isolated in homogeneous form from Penicillium patulum grown in liquid culture from a spore inoculum. The enzyme is highly susceptible to proteolytic degradation in vivo and in vitro, but may be stabilized during purification by
F Kurosaki
Archives of biochemistry and biophysics, 328(1), 213-217 (1996-04-01)
6-Hydroxymellein synthase is a polyketide biosynthetic enzyme induced in carrot cells which is organized as a homodimer composed of multifunctional subunits. The synthase liberates triacetic acid lactone, instead of 6-hydroxymellein, as a derailment product when the keto-reducing reaction at the
Wenjuan Zha et al.
Journal of the American Chemical Society, 126(14), 4534-4535 (2004-04-09)
Metabolic pathway engineering is a powerful tool to synthesize structurally diverse and complex chemicals via genetic manipulation of multistep catalytic systems involved in cell metabolism. Here, we report the rational design of a fatty acid biosynthetic pathway, Brevibacterium ammoniagenes fatty
Chiho Taguchi et al.
Acta crystallographica. Section F, Structural biology and crystallization communications, 64(Pt 3), 217-220 (2008-03-08)
Polyketide synthase-1 (PKS-1) is a novel type III polyketide synthase that catalyzes the biosynthesis of hexanoyl triacetic acid lactone in Cannabis sativa (Mexican strain). PKS-1 was overproduced in Escherichia coli, purified and finally crystallized in two different space groups. The
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