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: THIENO[2,3-B]PYRAZINE-6-CARBOXYLIC ACID
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: Thieno[2,3-b]pyrazine-6-carboxylic acid
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

59944-79-5

59944-79-5 structure

59944-79-5 structure

Name: Thieno[2,3-b]pyrazine-6-carboxylic acid
Chemical Name: Thieno[2,3-b]pyrazine-6-carboxylic acid
CAS Number: 59944-79-5
Molecular Formula: C₇H₄N₂O₂S
Molecular Weight: 180.18400
Create Date: 2018-07-25 14:55:46
Modify Date: 2025-08-25 18:26:57

Name	Thieno[2,3-b]pyrazine-6-carboxylic acid

Density	1.608g/cm3
Boiling Point	407.8ºC at 760 mmHg
Melting Point	220ºC
Molecular Formula	C₇H₄N₂O₂S
Molecular Weight	180.18400
Flash Point	200.5ºC
Exact Mass	179.99900
PSA	91.32000
LogP	1.38950
Index of Refraction	1.749

Hazard Codes	Xn
Risk Phrases	R20/21/22
Safety Phrases	22-26-36/37/39
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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