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ethyl 5-methyl-1,2-oxazole-3-carboxylate

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Origin: China

Cas No: 3209-72-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 3209-72-1 Formula: C7H9NO3 Molecular Weight: 155.15100

Basic Info

Chemical Name	ethyl 5-methyl-1,2-oxazole-3-carboxylate
Synonyms	5-Methylisoxazole-3-carboxylic acid ethyl ester; ethyl 5-methylisoxazole-3-carboxylate; ethyl 5-methyl-3-isoxazole carboxylate; 5-Methyl-isoxazol-3-carbonsaeure-aethylester;
CAS No.	3209-72-1
Molecular Formula	C7H9NO3
Molecular Weight	155.15100
PSA	52.33000
LogP	1.15970

Properties

Appearance & Physical State	Low melting solid or Liquid
Density	1.139g/cm3
Boiling Point	77-79ºC 0,5mm
Melting Point	25ºC
Flash Point	102.7ºC
Refractive Index	1.468

Safety Info

Safety Statements	S24/25
HS Code	2934999090
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

Ethyl 2,4-dioxovalerate→ethyl 5-methyl-1,2-oxazole-3-carboxylate
ethyl 4-oxopent-2-ynoate→ethyl 5-methyl-1,2-oxazole-3-carboxylate
Ammonium hydroxide+Ethyl 2,4-dioxovalerate→ethyl 5-methyl-1,2-oxazole-3-carboxylate

Precursor

ethyl 4-oxopent-2-ynoate
Isopropenyl acetate
Ammonium hydroxide
ethyl 2-(hydroxyimino)acetate

Downstream Product

5-methyl-1,2-oxazole-3-carboxylic acid
5-methyl-1,2-oxazole-3-carbonitrile
(5-methyl-1,2-oxazol-3-yl)methanol
5-methyl-1,2-oxazole-3-carboxamide

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