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Merck

195855

Sigma-Aldrich

Precocen I

99%

Synonym(e):

7-Methoxy-2,2-dimethyl-3-chromen

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About This Item

Empirische Formel (Hill-System):
C12H14O2
CAS-Nummer:
Molekulargewicht:
190.24
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352204
PubChem Substanz-ID:
NACRES:
NA.25

Assay

99%

Form

liquid

Brechungsindex

n20/D 1.56 (lit.)

bp

68 °C/0.1 mmHg (lit.)

Dichte

1.052 g/mL at 25 °C (lit.)

Anwendung(en)

agriculture
environmental

SMILES String

COc1ccc2C=CC(C)(C)Oc2c1

InChI

1S/C12H14O2/c1-12(2)7-6-9-4-5-10(13-3)8-11(9)14-12/h4-8H,1-3H3

InChIKey

CPTJXGLQLVPIGP-UHFFFAOYSA-N

Piktogramme

Exclamation mark

Signalwort

Warning

H-Sätze

Gefahreneinstufungen

Acute Tox. 4 Oral

Lagerklassenschlüssel

10 - Combustible liquids

WGK

WGK 3

Flammpunkt (°F)

235.4 °F - closed cup

Flammpunkt (°C)

113 °C - closed cup


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R A Halpin et al.
Chemico-biological interactions, 48(3), 297-315 (1984-03-01)
The in vitro metabolism of precocene I by liver microsomes from control and treated rats and the effects of precocene I on the function and histology of the rat liver were examined. The major metabolites (80-90% of total metabolites) from
P De Azambuja et al.
Memorias do Instituto Oswaldo Cruz, 86 Suppl 2, 113-115 (1991-01-01)
Proallatotoxins, and particularly precocenes, are exceptionally promising models for studying Rhodnius prolixus physiology and for comparison with other natural compounds with antihormonal activities. Effects of precocenes on feeding, development and reproduction of R. prolixus are being detailed. The precocenes reveal
Nataly E Gruntenko et al.
The Journal of experimental biology, 222(Pt 4) (2019-01-27)
Maternally inherited intracellular bacteria Wolbachia cause both parasitic and mutualistic effects on their numerous insect hosts, including manipulating the host reproductive system in order to increase the bacteria spreading in a host population, and increasing the host fitness. Here, we
K J Venugopal et al.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 127(2), 153-163 (2000-11-18)
Investigations were carried out to determine the role of juvenile hormone (JH) and 20-hydroxy ecdysone in the synthesis and uptake of vitellogenins, which were earlier identified, purified and characterised, in Dysdercus koenigii. The concentration(s) of vitellogenin(s) in fat body, haemolymph
K Sharma et al.
Phytochemical analysis : PCA, 12(4), 263-265 (2001-11-14)
The chromenes precocene I (7-methoxy-2,2-dimethylchromene) and precocene II (6,7-methoxy-2,2-dimethylchromene) extracted from Ageratum houstonianum and A. conyzoides have been analysed by reverse-phase high-performance liquid chromatography. Separation was achieved using a C18 column eluted with a linear gradient of acetonitrile and water.

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