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: 3-CHLOROTHIENO[2,3-B]THIOPHENE-2-CARBONYL CHLORIDE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

39244-06-9

39244-06-9 structure

39244-06-9 structure

Name: 3-CHLOROTHIENO[2,3-B]THIOPHENE-2-CARBONYL CHLORIDE
Chemical Name: 4-chlorothieno[2,3-b]thiophene-5-carbonyl chloride
CAS Number: 39244-06-9
Molecular Formula: C₇H₂Cl₂OS₂
Molecular Weight: 237.12600
Create Date: 2018-12-25 00:44:17
Modify Date: 2025-08-26 21:26:04

Name	4-chlorothieno[2,3-b]thiophene-5-carbonyl chloride
Synonyms	Thieno[2,3-b]thiophene-2-carbonylchloride,3-chloro QC-5872 3-Chlor-2-thieno[2,3-b]thiophencarbonylchlorid 3-chlorothieno[2,3-b] thiophene-2-carbonyl chloride

Density	1.683g/cm3
Boiling Point	347.8ºC at 760mmHg
Molecular Formula	C₇H₂Cl₂OS₂
Molecular Weight	237.12600
Flash Point	164.1ºC
Exact Mass	235.89200
PSA	73.55000
LogP	3.99520
Index of Refraction	1.726

HS Code	2934999090

1195-52-4 structure

1195-52-4

~40%

39244-06-9 structure

39244-06-9

Literature: DoganKoruznjak, Jasna; Slade, Neda; Zamola, Branimir; Pavelic, Kresimir; Karminski-Zamola, Grace Chemical and pharmaceutical bulletin, 2002 , vol. 50, # 5 p. 656 - 660

Precursor 1
1195-52-4
DownStream 0

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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