Shanghai Nianxing Industrial Co., Ltd
China
Product Name: diethyl 2,5-diaminothiophene-3,4-dicarboxylate
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: DIETHYL 2,5-DIAMINOTHIOPHENE-3,4-DICARBOXYLATE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 2,5-Diamino-thiophene-3,4-dicarboxylic acid diethylester
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

80691-81-2

80691-81-2 structure

80691-81-2 structure

Name: diethyl 2,5-diaminothiophene-3,4-dicarboxylate
Chemical Name: diethyl 2,5-diaminothiophene-3,4-dicarboxylate
CAS Number: 80691-81-2
Molecular Formula: C₁₀H₁₄N₂O₄S
Molecular Weight: 258.29400
Create Date: 2018-12-06 18:49:04
Modify Date: 2025-09-02 01:44:26

Name	diethyl 2,5-diaminothiophene-3,4-dicarboxylate
Synonyms	2,5-Diaminothiophen-3,4-dicarbonsaeurediethylester 2,5-diaminothiophene-3,4-carboxylic acid diethyl ester 2,5-DIAMINOTHIOPHENE-3,4-DICARBOXYLIC ACID DIETHYL ESTER

Density	1.343g/cm3
Boiling Point	403.3ºC at 760 mmHg
Molecular Formula	C₁₀H₁₄N₂O₄S
Molecular Weight	258.29400
Flash Point	197.7ºC
Exact Mass	258.06700
PSA	132.88000
LogP	2.42830
Index of Refraction	1.601

HS Code	2934999090

105-56-6 structure

105-56-6

~30%

80691-81-2 structure

80691-81-2

Literature: Gewald, Karl; Martin, Andreas Journal fuer Praktische Chemie (Leipzig), 1981 , vol. 323, # 5 p. 843 - 846

104680-25-3 structure

104680-25-3

~%

80691-81-2 structure

80691-81-2

104680-24-2 structure

104680-24-2

Literature: Journal of Medicinal Chemistry, , vol. 31, # 9 p. 1738 - 1745

Precursor 2
105-56-6 104680-25-3
DownStream 1
38187-04-1

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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