4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl-

Modify Date: 2025-08-31 16:52:42

4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl- Structure
4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl- structure
 Common Name 4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl-
CAS Number 18651-16-6 Molecular Weight 266.29100
Density 1.203g/cm3 Boiling Point 427.1ºC at 760mmHg
Molecular Formula C17H14O3 Melting Point N/A
MSDS N/A Flash Point 203.9ºC

 Names

Name 7-methoxy-3-methyl-2-phenylchromen-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.203g/cm3
Boiling Point 427.1ºC at 760mmHg
Molecular Formula C17H14O3
Molecular Weight 266.29100
Flash Point 203.9ºC
Exact Mass 266.09400
PSA 39.44000
LogP 3.77700
Vapour Pressure 1.68E-07mmHg at 25°C
Index of Refraction 1.598
InChIKey HSXVWGKOFNFYFK-UHFFFAOYSA-N
SMILES COc1ccc2c(=O)c(C)c(-c3ccccc3)oc2c1

 Safety Information

HS Code 2914509090

 Synthetic Route

α-Methyl-2'-hydroxy-4'-methoxychalcon structure

α-Methyl-2'-hyd...

CAS#:69792-77-4

~72%

4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl- Structure

4H-1-Benzopyran...

CAS#:18651-16-6

Literature: Jayashree, B. S.; Alam, Afroze; Vijay Kumar, D.; Nayak, Yogendra Medicinal Chemistry Research, 2012 , vol. 21, # 8 p. 1991 - 1996,6 Title/Abstract Full Text Show Details Jayashree; Alam, Afroze; Nayak, Yogendra; Vijay Kumar Medicinal Chemistry Research, 2012 , vol. 21, # 8 p. 1991 - 1996
2'-Hydroxy-4'-methoxypropiophenone structure

2'-Hydroxy-4'-m...

CAS#:6270-44-6

Benzaldehyde structure

Benzaldehyde

CAS#:100-52-7

~%

4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl- Structure

4H-1-Benzopyran...

CAS#:18651-16-6

Literature: Jayashree, B. S.; Alam, Afroze; Vijay Kumar, D.; Nayak, Yogendra Medicinal Chemistry Research, 2012 , vol. 21, # 8 p. 1991 - 1996,6 Title/Abstract Full Text Show Details Jayashree; Alam, Afroze; Nayak, Yogendra; Vijay Kumar Medicinal Chemistry Research, 2012 , vol. 21, # 8 p. 1991 - 1996
2'-Hydroxy-4'-methoxypropiophenone structure

2'-Hydroxy-4'-m...

CAS#:6270-44-6

Benzoyl chloride structure

Benzoyl chloride

CAS#:98-88-4

~%

4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl- Structure

4H-1-Benzopyran...

CAS#:18651-16-6

Literature: Da Re; Verlicchi Annali di Chimica (Rome, Italy), 1956 , vol. 46, p. 910,917
1-(2-hydroxy-4-methoxy-phenyl)-2-methyl-3-phenyl-propane-1,3-dione structure

1-(2-hydroxy-4-...

CAS#:412017-82-4

~%

4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl- Structure

4H-1-Benzopyran...

CAS#:18651-16-6

Literature: Ollis; Weight Journal of the Chemical Society, 1952 , p. 3826,3830
2',4'-Dihydroxypropiophenone structure

2',4'-Dihydroxy...

CAS#:5792-36-9

~%

4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl- Structure

4H-1-Benzopyran...

CAS#:18651-16-6

Literature: Ollis; Weight Journal of the Chemical Society, 1952 , p. 3826,3830
1-(2-benzoyloxy-4-methoxy-phenyl)-propan-1-one structure

1-(2-benzoyloxy...

CAS#:412017-83-5

~%

4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl- Structure

4H-1-Benzopyran...

CAS#:18651-16-6

Literature: Ollis; Weight Journal of the Chemical Society, 1952 , p. 3826,3830
2'-Hydroxy-4'-methoxypropiophenone structure

2'-Hydroxy-4'-m...

CAS#:6270-44-6

~%

4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl- Structure

4H-1-Benzopyran...

CAS#:18651-16-6

Literature: Ollis; Weight Journal of the Chemical Society, 1952 , p. 3826,3830

 Customs

HS Code 2914509090
Summary HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

 Synonyms

7-Methoxy-3-methyl-flavon
7-methoxy-3-methyl-2-phenyl-4H-chromen-4-one
7-Methoxy-3-methyl-2-phenyl-chromen-4-on
7-methoxy-3-methyl-2-phenyl-chromen-4-one
3-methyl-7-methoxy-2-phenyl-4H-benzopyran-4-one
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Chemsrc provides CAS#:18651-16-6 MSDS, density, melting point, boiling point, structure, etc. Its name is 4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl->> amp version: 4H-1-Benzopyran-4-one,7-methoxy-3-methyl-2-phenyl-

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