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异恶唑5-甲酸

Isoxazole-5-carboxylic acid
产品编号:3051486
规格:98%
CAS NO:21169-71-1
包装规格:1g,5g,25g
产品类别:进口试剂
品牌:Alfa Aesar
优惠价:立即咨询
产品编号包装单位单价(元)国内现货国外库存询价单
30514861g1020
30514865g4060
305148625g19620
产品别名

21169-71-1

异恶唑5-甲酸

Isoxazole-5-carboxylic acid

基本信息
应用
Reaction conditions were found to allow the exclusive formation of isoxazole-5-carboxylic acid derivatives by conjugate addition, in acidic medium, of hydroxylamine to β-alkoxyvinyl trichloromethyl ketone in synthesis and reactivity of isoxazoles. Isoxazole-5-carboxylic acid participates in the Synthesis and evaluation of acylguanidine FXa inhibitors. 1, 1, 1-trichloro-4-methoxy-3-penten-2-one postulated in the preparation of isoxazole-5-carboxylic acid from trichloroacetyl chloride, ethyl vinyl ether and hydroxylamine is developed in a fully saturated nitrogen atom theerefore there is no possibility of conjugation with 4- substituents.
备注
Moisture Sensitive. Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Store away from strong oxidizing agents, reducing agents, bases.
MDL
MFCD00156151
分子式
C4H3NO3
分子量
113.07
熔点
141-144°
灵敏度
Ambient temperatures.
溶解性
Slightly soluble in water.
危险类别
36/37/38
Irritating to eyes, respiratory system and skin.
安全信息
安全等级
26-37
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
TSCA
GHS危害和防范说明
GHS符号
 
Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.
Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
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