Methyl L-2-isothiocyanato-4-(methylthio)butyrate

L-2-异硫代氰酰基-4-(甲基硫代)丁酸甲酯

Also known as: 2-isothiocyanato-4-(methylthio)butanoic acid methyl ester, 2-isothiocyanato-4-(methylthio)butyric acid methyl ester, Butanoic acid, 2-isothiocyanato-4-(methylthio)-, methyl ester, Methyl 2-isothiocyanato-4-(methylsulfanyl)butanoate, Methyl 2-isothiocyanato-4-(methylthio)butyrate, Methyl L-2-isothiocyato-4-(methylthio)butyrate, methyl (2S)-2-isothiocyanato-4-methylsulfanylbutanoate, methyl N-(thioxomethylene)methioninate

Methyl L-2-isothiocyanato-4-(methylthio)butyrate (CAS 21055-47-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H11NO2S2 and a molecular weight of 205.29800 g/mol. It is also known as 2-isothiocyanato-4-(methylthio)butanoic acid methyl ester, 2-isothiocyanato-4-(methylthio)butyric acid methyl ester and Butanoic acid, 2-isothiocyanato-4-(methylthio)-, methyl ester. Key properties include a boiling point of 314.3ºC at 760mmHg, a density of 1.17g/cm3 and a flash point of 143.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21055-47-0
Jingsj CID
J-1518204-1
Molecular Formula
C7H11NO2S2
Chinese Name
L-2-异硫代氰酰基-4-(甲基硫代)丁酸甲酯
Molecular Weight
205.29800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point314.3ºC at 760mmHg
Density1.17g/cm3
Flash Point143.9ºC

Frequently Asked Questions

What is the CAS number of Methyl L-2-isothiocyanato-4-(methylthio)butyrate?

The CAS number of Methyl L-2-isothiocyanato-4-(methylthio)butyrate is 21055-47-0.

What are the molecular formula and molecular weight of Methyl L-2-isothiocyanato-4-(methylthio)butyrate?

Methyl L-2-isothiocyanato-4-(methylthio)butyrate has molecular formula C7H11NO2S2 and molecular weight 205.29800 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl L-2-isothiocyanato-4-(methylthio)butyrate (CAS 21055-47-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518204-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.