Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-Oxo-2,3-dihydro-1,2-oxazole-5-carboxylic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3-Oxo-2,3-dihydro-1,2-oxazole-5-carboxylic acid
Price: ￥618.0/250mg ￥208.0/50mg
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Hydroxyisoxazole-5-carboxylic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

13626-60-3

13626-60-3 structure

13626-60-3 structure

Name: 3-Oxo-2,3-dihydro-1,2-oxazole-5-carboxylic acid
Chemical Name: 3-Hydroxyisoxazole-5-carboxylic acid
CAS Number: 13626-60-3
Molecular Formula: C₄H₃NO₄
Molecular Weight: 129.071
Create Date: 2019-02-02 11:24:16
Modify Date: 2025-09-18 20:05:52

Name	3-Hydroxyisoxazole-5-carboxylic acid
Synonyms	3-oxo-1,2-oxazole-5-carboxylic acid 5-Isoxazolecarboxylic acid, 2,3-dihydro-3-oxo- 3-Oxo-2,3-dihydro-1,2-oxazole-5-carboxylic acid

Density	1.7±0.1 g/cm3
Boiling Point	462.7±30.0 °C at 760 mmHg
Melting Point	265°C
Molecular Formula	C₄H₃NO₄
Molecular Weight	129.071
Flash Point	233.6±24.6 °C
Exact Mass	129.006210
PSA	83.56000
LogP	0.02
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.581
Storage condition	2-8°C

Hazard Codes	Xi: Irritant;
HS Code	2934999090

10068-07-2 structure

10068-07-2

~%

13626-60-3 structure

13626-60-3

Literature: WO2010/136474 A2, ; Page/Page column 180 ;

Precursor 1
10068-07-2
DownStream 1
13626-61-4

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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