Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2(1H)-Pyrimidinone, 5-ethynyl- (9CI)
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
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156991-81-0

156991-81-0 structure

156991-81-0 structure

Name: 2(1H)-Pyrimidinone, 5-ethynyl- (9CI)
Chemical Name: 5-Ethynyl-2(1H)-pyrimidinone
CAS Number: 156991-81-0
Molecular Formula: C₆H₄N₂O
Molecular Weight: 120.109
Create Date: 2021-09-08 18:49:53
Modify Date: 2025-08-25 22:12:55

Names
Properties

Name	5-Ethynyl-2(1H)-pyrimidinone
Synonyms	2(1H)-Pyrimidinone, 5-ethynyl- 5-Ethynyl-2(1H)-pyrimidinone

Density	1.1±0.1 g/cm3
Molecular Formula	C₆H₄N₂O
Molecular Weight	120.109
Exact Mass	120.032364
LogP	-0.70
Index of Refraction	1.562

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