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

166899-06-5

166899-06-5 structure

166899-06-5 structure

Name: 4-Isoxazolecarboxylicacid,2,5-dihydro-5-oxo-,methylester(9CI)
Chemical Name: Methyl 5-oxo-2,5-dihydro-1,2-oxazole-4-carboxylate
CAS Number: 166899-06-5
Molecular Formula: C₅H₅NO₄
Molecular Weight: 143.098
Create Date: 2021-09-10 12:35:04
Modify Date: 2025-10-11 13:56:29

Names
Properties

Name	Methyl 5-oxo-2,5-dihydro-1,2-oxazole-4-carboxylate
Synonyms	Methyl 5-oxo-2,5-dihydro-1,2-oxazole-4-carboxylate 4-Isoxazolecarboxylic acid, 2,5-dihydro-5-oxo-, methyl ester

Density	1.4±0.1 g/cm3
Boiling Point	206.0±50.0 °C at 760 mmHg
Molecular Formula	C₅H₅NO₄
Molecular Weight	143.098
Flash Point	78.4±30.1 °C
Exact Mass	143.021851
LogP	-0.51
Vapour Pressure	0.2±0.4 mmHg at 25°C
Index of Refraction	1.494

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