Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Cyclopentanecarboxylic acid, 2-(2-butynyl)-5-oxo-, methyl ester (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

811784-49-3

811784-49-3 structure

811784-49-3 structure

Name: Cyclopentanecarboxylic acid, 2-(2-butynyl)-5-oxo-, methyl ester (9CI)
Chemical Name: Methyl 2-(2-butyn-1-yl)-5-oxocyclopentanecarboxylate
CAS Number: 811784-49-3
Molecular Formula: C₁₁H₁₄O₃
Molecular Weight: 194.227
Create Date: 2021-09-13 17:47:24
Modify Date: 2025-10-01 12:04:52

Names
Properties

Name	Methyl 2-(2-butyn-1-yl)-5-oxocyclopentanecarboxylate
Synonyms	Cyclopentanecarboxylic acid, 2-(2-butyn-1-yl)-5-oxo-, methyl ester Methyl 2-(2-butyn-1-yl)-5-oxocyclopentanecarboxylate

Density	1.1±0.1 g/cm3
Boiling Point	290.2±25.0 °C at 760 mmHg
Molecular Formula	C₁₁H₁₄O₃
Molecular Weight	194.227
Flash Point	124.7±23.2 °C
Exact Mass	194.094299
LogP	0.82
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.486

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