Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Thieno[3,4-b]pyrazine
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: THIENO[3,4-B]PYRAZINE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

272-43-5

272-43-5 structure

272-43-5 structure

Name: Thieno[3,4-b]pyrazine
Chemical Name: Thieno[3,4-b]pyrazine
CAS Number: 272-43-5
Molecular Formula: C₆H₄N₂S
Molecular Weight: 136.17400
Create Date: 2018-07-03 11:21:31
Modify Date: 2025-09-18 18:47:41

Name	Thieno[3,4-b]pyrazine
Synonyms	thieno<3,4-b>pyrazine

Density	1.368
Boiling Point	253ºC
Melting Point	47-48ºC
Molecular Formula	C₆H₄N₂S
Molecular Weight	136.17400
Flash Point	112ºC
Exact Mass	136.01000
PSA	54.02000
LogP	1.69130
Vapour Pressure	0.03mmHg at 25°C
Index of Refraction	1.705

HS Code	2934999090

78637-85-1 structure

78637-85-1

131543-46-9 structure

131543-46-9

~76%

272-43-5 structure

272-43-5

Literature: Kenning, Don D.; Mitchell, Kari A.; Calhoun, Tessa R.; Funfar, Melanie R.; Sattler, Daniel J.; Rasmussen, Seth C. Journal of Organic Chemistry, 2002 , vol. 67, # 25 p. 9073 - 9076

131543-46-9 structure

131543-46-9

90069-81-1 structure

90069-81-1

~76%

272-43-5 structure

272-43-5

Literature: Abdo, Nabiha I.; El-Shehawy, Ashraf A.; El-Barbary, Ahmed A.; Lee, Jae-Suk European Journal of Organic Chemistry, 2012 , # 28 p. 5540 - 5551

Precursor 2
78637-85-1 90069-81-1
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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