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Methyl (Z)-3-aminocrotonate

Also known as: Methyl (2Z)-3-aminocrotonate, (Z)-3-Amino-2-butenoic acid methyl ester, methyl 3-amino-2-butenoate, 3-amino-crotonic acid methyl ester, 3-Aminocrotonic acid methyl ester, β-Aminocrotonic acid methyl ester, Methyl β-aminobutenate, 2-Butenoic acid, 3-amino-, methyl ester, (Z)-, 2-Butenoic acid, 3-amino-, methyl ester, (2Z)-

Methyl (Z)-3-aminocrotonate (CAS 21731-17-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9NO2 and a molecular weight of 115.13000 g/mol. Key properties include a melting point of 81-83ºC, a boiling point of 213.3ºC at 760 mmHg, a density of 1.03g/cm3 and a flash point of 82.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21731-17-9
Jingsj CID
J-1452008-2
Molecular Formula
C5H9NO2
Molecular Weight
115.13000 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point81-83ºC
Boiling Point213.3ºC at 760 mmHg
Density1.03g/cm3
Flash Point82.8ºC
Exact Mass115.06300
PSA52.32000
LogP0.72220

Frequently Asked Questions

What is the CAS number of Methyl (Z)-3-aminocrotonate?

The CAS number of Methyl (Z)-3-aminocrotonate is 21731-17-9.

What are the molecular formula and molecular weight of Methyl (Z)-3-aminocrotonate?

Methyl (Z)-3-aminocrotonate has molecular formula C5H9NO2 and molecular weight 115.13000 g/mol.

What are the upstream and downstream products of Methyl (Z)-3-aminocrotonate?

For Methyl (Z)-3-aminocrotonate, Upstream Products: Methyl acetoacetate, Benzylamine, Methyl 3-aminocrotonate; Downstream Products: Methyl 2-amino-4-methylthiazole-5-carboxylate, Antipyrine, Nitrendipine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Methyl (Z)-3-aminocrotonate (CAS 21731-17-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1452008-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.