Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-Pyridazino[4,5-b]-1,4-oxazine,3,4-dihydro-4-methyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

66643-53-6

66643-53-6 structure

66643-53-6 structure

Name: 2H-Pyridazino[4,5-b]-1,4-oxazine,3,4-dihydro-4-methyl-
Chemical Name: 4-Methyl-3,4-dihydro-2H-pyridazino[4,5-b][1,4]oxazine
CAS Number: 66643-53-6
Molecular Formula: C₇H₉N₃O
Molecular Weight: 151.166
Create Date: 2021-09-09 17:12:15
Modify Date: 2025-10-09 20:37:53

Names
Properties

Name	4-Methyl-3,4-dihydro-2H-pyridazino[4,5-b][1,4]oxazine
Synonyms	2H-Pyridazino[4,5-b]-1,4-oxazine, 3,4-dihydro-4-methyl- 4-Methyl-3,4-dihydro-2H-pyridazino[4,5-b][1,4]oxazine

Density	1.2±0.1 g/cm3
Boiling Point	340.6±37.0 °C at 760 mmHg
Molecular Formula	C₇H₉N₃O
Molecular Weight	151.166
Flash Point	159.8±26.5 °C
Exact Mass	151.074554
LogP	-0.16
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.552

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