Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,4-DIHYDROQUINAZOLIN-2(1H)-ONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

66655-67-2

66655-67-2 structure

Name: 3,4-Dihydroquinazolin-2(1H)-one
Chemical Name: 3,4-dihydro-1H-quinazolin-2-one
CAS Number: 66655-67-2
Molecular Formula: C₈H₈N₂O
Molecular Weight: 148.162
Create Date: 2018-08-02 13:41:24
Modify Date: 2025-08-24 15:20:28

Name	3,4-dihydro-1H-quinazolin-2-one
Synonyms	Dihydroquinazolinone 3,4-Dihydroquinazolin-2(1H)-one 1,2,3,4-tetrahydro-quinazolin-2-on 3,4-Dihydro-2(1H)-quinazolinone 2(1H)-Quinazolinone, 3,4-dihydro-

Density	1.2±0.1 g/cm3
Boiling Point	257.2±33.0 °C at 760 mmHg
Melting Point	241-242ºC
Molecular Formula	C₈H₈N₂O
Molecular Weight	148.162
Flash Point	119.7±25.5 °C
Exact Mass	148.063660
PSA	44.62000
LogP	0.86
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.565

Hazard Codes	Xi
HS Code	2933990090

201230-82-2

4403-69-4

~92%

66655-67-2

Literature: Yoshida, Tohru; Kambe, Nobuaki; Murai, Shinji; Sonoda, Noboru Bulletin of the Chemical Society of Japan, 1987 , vol. 60, p. 1793 - 1800

107135-39-7

~80%

66655-67-2

Literature: Yoshida, Tohru; Kambe, Nobuaki; Ogawa, Akiya; Sonoda, Noboru Phosphorus and Sulfur and the Related Elements, 1988 , vol. 38, p. 137 - 148

124-38-9

4403-69-4

~89%

66655-67-2

Literature: Paz, Jairo; Perez-Balado, Carlos; Iglesias, Beatriz; Munoz, Luis Journal of Organic Chemistry, 2010 , vol. 75, # 9 p. 3037 - 3046

4403-69-4

105-58-8

~71%

66655-67-2

Literature: Han, Chong; Porco Jr., John A. Organic Letters, 2007 , vol. 9, # 8 p. 1517 - 1520

868-84-8

4403-69-4

~41%

66655-67-2

Literature: Leung, Man-Kit; Lai, Jun-Liang; Lau, King-Hang; Yu, Hsiao-Hua; Hsiao, Hsiang-Ju Journal of Organic Chemistry, 1996 , vol. 61, # 12 p. 4175 - 4179

4403-69-4

66655-67-2

Literature: Brady, Ryan M.; Khakham, Yelena; Lessene, Guillaume; Baell, Jonathan B. Organic and Biomolecular Chemistry, 2011 , vol. 9, # 3 p. 656 - 658

162046-50-6

66655-67-2

Literature: Brady, Ryan M.; Khakham, Yelena; Lessene, Guillaume; Baell, Jonathan B. Organic and Biomolecular Chemistry, 2011 , vol. 9, # 3 p. 656 - 658

1269142-23-5

66655-67-2

1196-38-9

Literature: Brady, Ryan M.; Khakham, Yelena; Lessene, Guillaume; Baell, Jonathan B. Organic and Biomolecular Chemistry, 2011 , vol. 9, # 3 p. 656 - 658

75-44-5

4403-69-4

66655-67-2

Literature: Busch Journal fuer Praktische Chemie (Leipzig), 1895 , vol. <2> 51, p. 126

Precursor 8
201230-82-2 4403-69-4 107135-39-7 124-38-9
105-58-8 868-84-8 162046-50-6 75-44-5
DownStream 0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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