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: ethyl 5-acetamido-4-cyano-3-methylthenoate
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

23903-49-3

23903-49-3 structure

23903-49-3 structure

Name: ethyl 5-acetamido-4-cyano-3-methylthenoate
Chemical Name: ethyl 5-acetamido-4-cyano-3-methylthiophene-2-carboxylate
CAS Number: 23903-49-3
Molecular Formula: C₁₁H₁₂N₂O₃S
Molecular Weight: 252.29000
Create Date: 2017-03-24 21:11:03
Modify Date: 2025-08-24 20:29:05

Name	ethyl 5-acetamido-4-cyano-3-methylthiophene-2-carboxylate
Synonyms	5-acetylamino-4-cyano-3-methyl-thiophene-2-carboxylic acid ethyl ester 5-Acetamino-4-cyan-3-methyl-thiophen-2-carbonsaeure-ethylester ethyl 5-acetamido-4-cyano-3-methylthenoate ethyl 5-(acetylamino)-4-cyano-3-methylthiophene-2-carboxylate

Density	1.28g/cm3
Boiling Point	458.9ºC at 760mmHg
Molecular Formula	C₁₁H₁₂N₂O₃S
Molecular Weight	252.29000
Flash Point	231.3ºC
Exact Mass	252.05700
PSA	110.92000
LogP	2.71278
Vapour Pressure	1.32E-08mmHg at 25°C
Index of Refraction	1.555

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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