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: Ethanone, 1-(4,5-dihydro-3-methyl-2-oxido-5-isoxazolyl)- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

638562-81-9

638562-81-9 structure

638562-81-9 structure

Name: Ethanone, 1-(4,5-dihydro-3-methyl-2-oxido-5-isoxazolyl)- (9CI)
Chemical Name: 1-(3-Methyl-2-oxido-4,5-dihydro-1,2-oxazol-5-yl)ethanone
CAS Number: 638562-81-9
Molecular Formula: C₆H₉NO₃
Molecular Weight: 143.141
Create Date: 2018-07-06 17:47:39
Modify Date: 2025-08-24 10:39:27

Names
Properties

Name	1-(3-Methyl-2-oxido-4,5-dihydro-1,2-oxazol-5-yl)ethanone
Synonyms	Ethanone, 1-(4,5-dihydro-3-methyl-2-oxido-5-isoxazolyl)- 1-(3-Methyl-2-oxido-4,5-dihydro-1,2-oxazol-5-yl)ethanone

Density	1.2±0.1 g/cm3
Boiling Point	256.7±50.0 °C at 760 mmHg
Molecular Formula	C₆H₉NO₃
Molecular Weight	143.141
Flash Point	132.3±32.1 °C
Exact Mass	143.058243
LogP	-0.58
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.487

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