Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-(4-Chloro-3-hydroxy-1-butynyl)-5-(1,3-pentadiynyl)thiophene
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

BioBioPha
China
Product Name: 2-(4-Chloro-3-hydroxy-1-butynyl) -5-(1,3-pentadiynyl)thiophene
Price: ￥4150.0/5mg
Purity: 98.0%
Stocking Period: 10 Day
Contact: Xueping-Zheng
Email: 1477035482@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-CHLORO-4-(5-(PENTA-1,3-DIYNYL)THIOPHEN-2-YL)BUT-3-YN-2-OL
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

26905-70-4

26905-70-4 structure

26905-70-4 structure

Name: 2-(4-Chloro-3-hydroxy-1-butynyl)-5-(1,3-pentadiynyl)thiophene
Chemical Name: 1-chloro-4-(5-penta-1,3-diynylthiophen-2-yl)but-3-yn-2-ol
CAS Number: 26905-70-4
Molecular Formula: C₁₃H₉ClOS
Molecular Weight: 248.728
Create Date: 2017-12-02 15:26:35
Modify Date: 2025-08-25 10:41:30

Name	1-chloro-4-(5-penta-1,3-diynylthiophen-2-yl)but-3-yn-2-ol
Synonyms	2-(4-Chloro-3-hydroxybut-1-ynyl)-5-(penta-1,3-diynyl) thiophene w2371 1-Chloro-4-[5-(1,3-pentadiyn-1-yl)-2-thienyl]-3-butyn-2-ol 3-Butyn-2-ol, 1-chloro-4-[5-(1,3-pentadiyn-1-yl)-2-thienyl]-

Density	1.3±0.1 g/cm3
Boiling Point	425.6±45.0 °C at 760 mmHg
Molecular Formula	C₁₃H₉ClOS
Molecular Weight	248.728
Flash Point	211.2±28.7 °C
Exact Mass	248.006256
PSA	48.47000
LogP	5.28
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.635

HS Code	2934999090

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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