Lot numbers can be found on the outside label of a product:
Ethyl 2-amino-4-methylthiophene-3-carboxylate
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CAS No. 43088-42-2
- Cat. No. CS-W008036
- Purity≥97%
- MDL No.MFCD00051669
*For research and further manufacturing use only, not for direct human use.
Structure of 43088-42-2
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General Information
- CAS No. 43088-42-2
- Cat. No. CS-W008036
- Purity ≥97%
- MDL No. MFCD00051669
- Storage RT, protect from light
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₈H₁₁NO₂S
- Molecular Weight None
- Synonym(s) 2-Amino-4-methylthiophene-3-carboxylic Acid Ethyl Ester
- SMILES CCOC(=O)C1=C(N)SC=C1C
Description
Ethyl 2-amino-4-methylthiophene-3-carboxylate features a thiophene core with complementary amino and methylthio functionalities, enabling direct incorporation into heterocyclic scaffolds. This bench-stable reagent facilitates efficient access to biologically relevant thienyl derivatives under standard conditions.
Application
Ethyl 2-amino-4-methylthiophene-3-carboxylate serves as a versatile heterocyclic building block for medicinal chemistry and agrochemical synthesis. Its amino and ester functionalities enable straightforward derivatization via amidation, acylation, and coupling reactions. The methylthio group offers a handle for selective oxidation or displacement, while the thiophene core provides structural rigidity and π-conjugation beneficial in target-oriented synthesis. Bench-stable and readily purified by column chromatography, it functions effectively in standard reaction protocols.
Synthesis
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Route1
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105-56-6 -
67-64-1
- ~78%
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In-stock
43088-42-2
References
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Nakhi, Ali; Adepu, Raju; Rambabu; Kishore, Ravada; Vanaja; Kalle, Arunasree M.; Pal, Manojit Bioorganic and Medicinal Chemistry Letters, 2012 , vol. 22, # 13 p. 4418 - 4427
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Route2
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109-89-7
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105-56-6
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67-64-1
- ~17%
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In-stock
43088-42-2
References
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Nimbus Apollo, Inc.; Harriman, Geraldine C.; Masse, Craig E.; Harwood, James; Bhat, Sathesh; Greenwood, Jeremy Robert Patent: US2013/123231 A1, 2013 ; Location in patent: Paragraph 1423; 1426; 1427 ;
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Route3
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105-56-6
- ~%
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In-stock
43088-42-2
References
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Guetschow, Michael; Kuerschner, Lars; Neumann, Ulf; Pietsch, Markus; Loeser, Reik; Koglin, Norman; Eger, Kurt Journal of Medicinal Chemistry, 1999 , vol. 42, # 26 p. 5437 - 5447
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H315-H319
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Precautionary Statements : P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313-P362+P364
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Quality Control
Computational Chemistry Data
- TPSA 52.32
- LogP 1.81542
- H_Acceptors 4
- H_Donors 1
- Rotatable_Bonds 2
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Key Words
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