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: 1,7-Dithia-s-indacene-4,8-dione
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

33527-21-8

33527-21-8 structure

33527-21-8 structure

Name: 1,7-Dithia-s-indacene-4,8-dione
Chemical Name: thieno[3,2-f][1]benzothiole-4,8-dione
CAS Number: 33527-21-8
Molecular Formula: C₁₀H₄O₂S₂
Molecular Weight: 220.26800
Create Date: 2017-12-11 14:30:49
Modify Date: 2025-09-21 07:04:38

Name	thieno[3,2-f][1]benzothiole-4,8-dione
Synonyms	benzo<1,2-b,5,4-b'>dithiphen-4,8-dione 1,7-Dithia-s-indacene-4,8-dione

Density	1.595g/cm3
Boiling Point	408ºC at 760 mmHg
Molecular Formula	C₁₀H₄O₂S₂
Molecular Weight	220.26800
Flash Point	200.6ºC
Exact Mass	219.96500
PSA	90.62000
LogP	2.58500
Index of Refraction	1.736

HS Code	2934999090

239100-01-7 structure

239100-01-7

~50%

33527-21-8 structure

33527-21-8

Literature: Chao, Yu-Hua; Kuo, Sheng-Chu; Ku, Kelvin; Chiu, I-Ping; Wu, Chun-Hsiung; Mauger, Anthony; Wang, Hui-Kang; Lee, Kuo-Hsiung Bioorganic and Medicinal Chemistry, 1999 , vol. 7, # 6 p. 1025 - 1031

239100-00-6 structure

239100-00-6

~%

33527-21-8 structure

33527-21-8

Literature: Chao, Yu-Hua; Kuo, Sheng-Chu; Ku, Kelvin; Chiu, I-Ping; Wu, Chun-Hsiung; Mauger, Anthony; Wang, Hui-Kang; Lee, Kuo-Hsiung Bioorganic and Medicinal Chemistry, 1999 , vol. 7, # 6 p. 1025 - 1031

239100-02-8 structure

239100-02-8

~%

33527-21-8 structure

33527-21-8

Literature: Chao, Yu-Hua; Kuo, Sheng-Chu; Ku, Kelvin; Chiu, I-Ping; Wu, Chun-Hsiung; Mauger, Anthony; Wang, Hui-Kang; Lee, Kuo-Hsiung Bioorganic and Medicinal Chemistry, 1999 , vol. 7, # 6 p. 1025 - 1031

Precursor 1
239100-02-8
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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