Methyl (S)-(-)-2-isocyanato-3-methylbutyrate

(S)-(-)-2-异氰酰基-3-甲基丁酸甲酯

Also known as: Methyl (S)-2-isocyanato-3-methylbutanoate, Methyl (S)-(-)-2-isocyanatoisovalerate, (S)-(-)-methyl 2-isocyanato-3-methylbutanoate, Methyl N-(oxomethylene)valinate, L-valine methyl ester isocyanate, Methyl (S)-(-)-2-isocyanato-3-methylbutyrate, Methyl (S)-(-)-2-isocyanato-3-methylbutyrate 99%, methyl N-(oxomethylene)-L-valinate, (2S)-2-isocyanato-3-methylbutanoic acid methyl ester, methyl-(S)-(-)-2-isocyanato-3-methylbutyrate, valine methyl ester isocyanate

Methyl (S)-(-)-2-isocyanato-3-methylbutyrate (CAS 30293-86-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H11NO3 and a molecular weight of 157.16700 g/mol. It is also known as Methyl (S)-2-isocyanato-3-methylbutanoate, Methyl (S)-(-)-2-isocyanatoisovalerate and (S)-(-)-methyl 2-isocyanato-3-methylbutanoate. Key properties include a boiling point of 75ºC0.04 mm Hg(lit.), a density of 1.053 g/mL at 25ºC(lit.) and a flash point of 172 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
30293-86-8
Jingsj CID
J-8510-4
Molecular Formula
C7H11NO3
Chinese Name
(S)-(-)-2-异氰酰基-3-甲基丁酸甲酯
Molecular Weight
157.16700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point75ºC0.04 mm Hg(lit.)
Density1.053 g/mL at 25ºC(lit.)
Flash Point172 °F

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Methyl (S)-(-)-2-isocyanato-3-methylbutyrate?

The CAS number of Methyl (S)-(-)-2-isocyanato-3-methylbutyrate is 30293-86-8.

What are the molecular formula and molecular weight of Methyl (S)-(-)-2-isocyanato-3-methylbutyrate?

Methyl (S)-(-)-2-isocyanato-3-methylbutyrate has molecular formula C7H11NO3 and molecular weight 157.16700 g/mol.

Is Methyl (S)-(-)-2-isocyanato-3-methylbutyrate hazardous?

Methyl (S)-(-)-2-isocyanato-3-methylbutyrate has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Methyl (S)-(-)-2-isocyanato-3-methylbutyrate (CAS 30293-86-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8510-4 (accessed 2026-10-22).

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