L-半乳糖酸-1,4-内酯

更新时间:2024-01-12 11:58:14

L-半乳糖酸-1,4-内酯结构式
L-半乳糖酸-1,4-内酯结构式
品牌特惠专场
常用名 L-半乳糖酸-1,4-内酯 英文名 L-galactono-1,4-lactone
CAS号 1668-08-2 分子量 178.14000
密度 1.766g/cm3 沸点 467.9ºC at 760mmHg
分子式 C6H10O6 熔点 134-136ºC
MSDS 中文版 美版 闪点 201.5ºC

 L-半乳糖酸-1,4-内酯名称

中文名 半乳糖酸內酯
英文名 L-galactono-1,4-lactone
中文别名 L-半乳糖酸-1,4-内酯 | (3S,4S,5R)-5-((S)-1,2-二羟基乙基)-3,4-二羟基二氢呋喃-2(3H)-酮
英文别名 更多

 L-半乳糖酸-1,4-内酯物理化学性质

密度 1.766g/cm3
沸点 467.9ºC at 760mmHg
熔点 134-136ºC
分子式 C6H10O6
分子量 178.14000
闪点 201.5ºC
精确质量 178.04800
PSA 107.22000
外观性状 白色结晶
蒸汽压 1.01E-10mmHg at 25°C
折射率 1.625
储存条件 ?20°C

 L-半乳糖酸-1,4-内酯安全信息

安全声明 (欧洲) 24/25
危险品运输编码 NONH for all modes of transport
海关编码 2932209090

 L-半乳糖酸-1,4-内酯上下游产品

L-半乳糖酸-1,4-内酯上游产品  2

L-半乳糖酸-1,4-内酯下游产品  3

 L-半乳糖酸-1,4-内酯海关

海关编码 2932209090
中文概述 2932209090. 其他内酯. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素 品名, 成分含量, 用途
Summary 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 L-半乳糖酸-1,4-内酯文献30

更多文献
The biosynthesis of erythroascorbate in Saccharomyces cerevisiae and its role as an antioxidant.

Free Radic. Biol. Med. 28(2) , 183-92, (2000)

This study investigated the ability of the yeast Saccharomyces cerevisiae to synthesize ascorbate and its 5-carbon analogue erythroascorbate from a variety of precursors, and their importance as antio...

De novo asymmetric syntheses of C-4-substituted sugars via an iterative dihydroxylation strategy.

Carbohydr. Res. 341(10) , 1505-21, (2006)

A short and highly efficient route to various C-4 substituted sugar lactones has been developed. The key to the overall transformation is the sequential osmium-catalyzed dihydroxylation reaction of su...

Cellular ascorbic acid regulates the activity of major peroxidases in the apical poles of germinating white spruce (Picea glauca) somatic embryos.

Plant Physiol. Biochem. 45(3-4) , 188-98, (2007)

In previous studies we have reported that applications of ascorbic acid (ACS) enhance the conversion frequency of white spruce somatic embryos by "rescuing" structurally disorganized meristems and ind...

 L-半乳糖酸-1,4-内酯英文别名

L-(+)-galactono-1,4-lactone
L(+)-GALACTONICACIDG-LACTONE
(3S,4S,5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxyoxolan-2-one
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