13443-57-7

13443-57-7结构式

常用中文名：3-O-methylascorbic acid
常用英文名：3-O-methylascorbic acid
CAS号：13443-57-7
分子式：C₇H₁₀O₆
分子量：190.15100
发布时间：2016-02-17 07:33:41
更新时间：2024-01-09 19:21:58

英文名	2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-3-methoxy-2H-furan-5-one
英文别名	Lg-threo-2,4,5,6-tetrahydroxy-3-methoxy-hex-2c-enoic acid-4-lactone L-Ascorbic acid,3-O-methyl 3-O-methyl-L-ascorbic acid Lg-threo-2,4,5,6-Tetrahydroxy-3-methoxy-hex-2c-ensaeure-4-lacton methyl ascorbate 3-O-Methylascorbic acid

密度	1.55g/cm3
沸点	569.3ºC at 760mmHg
分子式	C₇H₁₀O₆
分子量	190.15100
闪点	240.1ºC
精确质量	190.04800
PSA	96.22000
蒸汽压	2.48E-15mmHg at 25°C
折射率	1.566

海关编码	2932209090

67-56-1

50-81-7

~77%

13443-57-7

文献：Tahir, Hasan; Hindsgaul, Ole Journal of Organic Chemistry, 2000 , vol. 65, # 3 p. 911 - 913

186581-53-3

50-81-7

13443-57-7

文献：Reichstein et al. Helvetica Chimica Acta, 1934 , vol. 17, p. 510,519 Full Text Show Details Vestling; Rebstock Journal of Biological Chemistry, 1946 , vol. 164, p. 631,632 Full Text Show Details Haworth et al. Journal of the Chemical Society, 1934 , p. 1556,1557 Journal of the Chemical Society, 1937 , p. 829,832

66-27-3

50-81-7

~60%

13443-57-7

文献：Kikugawa, Yasuo; Sakamoto, Takeshi; Sato, Shinya; Asami, Kayoko Heterocycles, 2005 , vol. 66, # 1 p. 579 - 582

上游产品 4
67-56-1 50-81-7 186581-53-3 66-27-3
下游产品 2
74421-65-1 471-46-5

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%

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