Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Purity: 98.0%
Stocking Period: 10 Day
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158390-74-0

158390-74-0 structure

158390-74-0 structure

Name: diethyl 2-but-1-ynyl-2-(2-cyclopropylideneethyl)propanedioate
Chemical Name: diethyl 2-but-1-ynyl-2-(2-cyclopropylideneethyl)propanedioate
CAS Number: 158390-74-0
Molecular Formula: C₁₆H₂₂O₄
Molecular Weight: 278.34300
Create Date: 2016-02-23 13:07:58
Modify Date: 2025-10-17 17:44:37

Name	diethyl 2-but-1-ynyl-2-(2-cyclopropylideneethyl)propanedioate
Synonyms	Propanedioic acid,2-butynyl(2-cyclopropylideneethyl)-,diethyl ester diethyl (2'-cyclopropylideneethyl)-(but-2"-yn-1"-yl)malonate diethyl 2-(2-cyclopropylideneethyl)-2-(but-2-ynyl)malonate diethyl 2-(but-2-yn-1-yl)-2-(2-cyclopropylideneethyl)malonate

Molecular Formula	C₁₆H₂₂O₄
Molecular Weight	278.34300
Exact Mass	278.15200
PSA	52.60000
LogP	2.62270

117500-14-8 structure

117500-14-8

32364-41-3 structure

32364-41-3

~81%

158390-74-0 structure

158390-74-0

Literature: Lopez, Fernando; Delgado, Alejandro; Rodriguez, J. Ramon; Castedo, Luis; Mascarenas, Jose L. Journal of the American Chemical Society, 2004 , vol. 126, # 33 p. 10262 - 10263

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