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ChemicalBook--->CAS DataBase List--->644-06-4

644-06-4

644-06-4 Structure

644-06-4 Structure
IdentificationBack Directory
[Name]

PRECOCENE II
[CAS]

644-06-4
[Synonyms]

precocene2
Precocen 2
PRECOCENE II
ageratochromene
Precocene II,99%
6,7-Dimethoxy-2,2-dimethylchromene
6,7-DIMETHOXY-2,2-DIMETHYL-3-CHROMENE
6,7-diMethoxy-2,2-diMethyl-2h-chroMene
6,7-dimethoxy-2,2-dimethyl-2h-1-benzopyra
6,7-dimethoxy-2,2-dimethyl2H-1-benzopyran
6,7-DIMETHOXY-2,2-DIMETHYL-2-BENZO(B)PYRAN
6,7-dimethoxy-2,2-dimethyl-2h-benzo(b)pyran
[EINECS(EC#)]

211-408-5
[Molecular Formula]

C13H16O3
[MDL Number]

MFCD00006816
[MOL File]

644-06-4.mol
[Molecular Weight]

220.26
Chemical PropertiesBack Directory
[Appearance]

Crystalline Solid
[Melting point ]

47.50C
[Boiling point ]

301.2°C (rough estimate)
[density ]

1.1455 (rough estimate)
[refractive index ]

1.4740 (estimate)
[Fp ]

113 °C
[storage temp. ]

-20°C Freezer
[solubility ]

Chloroform (Slightly), Methanol (Slightly)
[form ]

Solid
[color ]

Pale Green to Yellow
[LogP]

3.380 (est)
[CAS DataBase Reference]

644-06-4
[EPA Substance Registry System]

2H-1-Benzopyran, 6,7-dimethoxy-2,2-dimethyl- (644-06-4)
Hazard InformationBack Directory
[Chemical Properties]

Crystalline Solid
[Uses]

Anti-juvenile hormones found in plants that induce reversible precocious metamorphosis and sterilization in insects by suppressing the function of the corpora allata gland
[Definition]

ChEBI:Precocene II is a member of chromenes. It has a role as a member of precocenes.
[Synthesis Reference(s)]

Journal of Heterocyclic Chemistry, 25, p. 871, 1988 DOI: 10.1002/jhet.5570250333
Synthetic Communications, 20, p. 1347, 1990 DOI: 10.1080/00397919008052847
Tetrahedron Letters, 32, p. 7251, 1991 DOI: 10.1016/0040-4039(91)80489-S
[storage]

Store at -20°C
Safety DataBack Directory
[RTECS ]

DJ2527000
[Safety Profile]

Questionable carcinogen with experimental carcinogenic data. Mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes.
Spectrum DetailBack Directory
[Spectrum Detail]

PRECOCENE II(644-06-4)MS
PRECOCENE II(644-06-4)1HNMR
PRECOCENE II(644-06-4)13CNMR
PRECOCENE II(644-06-4)IR1
PRECOCENE II(644-06-4)IR2
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