Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Purity: 98.0%
Stocking Period: 10 Day
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-1-Benzopyran-2-one,3,4-dihydro-4,7-dimethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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18782-15-5

18782-15-5 structure

18782-15-5 structure

Name: 2H-1-Benzopyran-2-one,3,4-dihydro-4,7-dimethyl-
Chemical Name: 4,7-dimethyl-3,4-dihydrochromen-2-one
CAS Number: 18782-15-5
Molecular Formula: C₁₁H₁₂O₂
Molecular Weight: 176.21200
Create Date: 2016-07-29 22:31:21
Modify Date: 2025-09-14 22:56:50

Name	4,7-dimethyl-3,4-dihydrochromen-2-one
Synonyms	3,4-Dihydro-4,7-dimethylcoumarin 3,4-dihydro-4,7-dimethylcoumarine 4,7-dimethyl-3,4-dihydro-2H-benzopyran-2-one 4,7-dimethyl-3,4-dihydro-2h-chromen-2-one 4,7-dimethyl-3,4-dihydrocoumarin 4,7-dimethyl-chroman-2-one 4,7-Dimethyl-chroman-2-on 4,7-dimethyl-dihydrocoumarin

Density	1.1g/cm3
Boiling Point	256.1ºC at 760mmHg
Molecular Formula	C₁₁H₁₂O₂
Molecular Weight	176.21200
Flash Point	100.5ºC
Exact Mass	176.08400
PSA	26.30000
LogP	2.40760
Vapour Pressure	0.0157mmHg at 25°C
Index of Refraction	1.533

14002-90-5 structure

14002-90-5

~97%

18782-15-5 structure

18782-15-5

Literature: Biswas, Bidyut; Sen, Prabir K.; Venkateswaran, Ramanathapuram V. Tetrahedron, 2007 , vol. 63, # 48 p. 12026 - 12036

172039-76-8 structure

172039-76-8

~10%

18782-15-5 structure

18782-15-5

17714-94-2 structure

17714-94-2

Literature: Thiemann, Thies; Li, YuanQiang; Mataka, Shuntaro; Tashiro, Masashi Journal of Chemical Research, Miniprint, 1995 , # 10 p. 2364 - 2379

103986-75-0 structure

103986-75-0

~%

18782-15-5 structure

18782-15-5

Literature: Fries; Fickewirth Justus Liebigs Annalen der Chemie, 1908 , vol. 362, p. 51

87414-87-7 structure

87414-87-7

~%

18782-15-5 structure

18782-15-5

Literature: Fries; Fickewirth Justus Liebigs Annalen der Chemie, 1908 , vol. 362, p. 51

Precursor 3
14002-90-5 103986-75-0 87414-87-7
DownStream 1
86525-78-2

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