Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-CHLOROTHIENO[2,3-B]THIOPHENE-2-CARBOXYLIC ACID
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-CHLOROTHIENO[2,3-B]THIOPHENE-2-CARBOXYLIC ACID
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

39244-08-1

39244-08-1 structure

39244-08-1 structure

Name: 3-CHLOROTHIENO[2,3-B]THIOPHENE-2-CARBOXYLIC ACID
Chemical Name: 4-chlorothieno[2,3-b]thiophene-5-carboxylic acid
CAS Number: 39244-08-1
Molecular Formula: C₇H₃ClO₂S₂
Molecular Weight: 218.68100
Create Date: 2018-12-28 10:17:07
Modify Date: 2025-09-11 12:07:57

Name	4-chlorothieno[2,3-b]thiophene-5-carboxylic acid
Synonyms	3-Chlorothieno-<2,3b>-thiophencarbonsaeure HMS1728C12 F2124-0611 3-Chlor-thieno<2,3b>thiophencarbonsaeure

Density	1.722g/cm3
Boiling Point	406.6ºC at 760mmHg
Melting Point	251.5ºC
Molecular Formula	C₇H₃ClO₂S₂
Molecular Weight	218.68100
Flash Point	199.7ºC
Exact Mass	217.92600
PSA	93.78000
LogP	3.31440
Index of Refraction	1.768

Hazard Codes	Xn
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%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.