(1S-(1β,2α,3β))-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid

[1S-(1β,2α,3β)]-(+)-3-甲基-2-(硝基甲基)-5-氧代环戊烷乙酸

Also known as: 2-[(1S,2R,3S)-3-methyl-2-(nitromethyl)-5-oxocyclopentyl]acetic acid, Cyclopentaneacetic acid, 3-methyl-2-(nitromethyl)-5-oxo-, (1S,2R,3S)-, [1S-(1beta,2alpha,3beta)]-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid, [1s-(1β,2α,3β)]-(+)-3-methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid

(1S-(1β,2α,3β))-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid (CAS 123000-45-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H13NO5 and a molecular weight of 215.20300 g/mol. It is also known as 2-[(1S,2R,3S)-3-methyl-2-(nitromethyl)-5-oxocyclopentyl]acetic acid, Cyclopentaneacetic acid, 3-methyl-2-(nitromethyl)-5-oxo-, (1S,2R,3S)- and [1S-(1beta,2alpha,3beta)]-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid. Key properties include a melting point of 58-62ºC(lit.), a boiling point of 433.1ºC at 760 mmHg, a density of 1.256g/cm3 and a flash point of 190.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
123000-45-3
Jingsj CID
J-1050065-7
Molecular Formula
C9H13NO5
Chinese Name
[1S-(1β,2α,3β)]-(+)-3-甲基-2-(硝基甲基)-5-氧代环戊烷乙酸
Molecular Weight
215.20300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point58-62ºC(lit.)
Boiling Point433.1ºC at 760 mmHg
Density1.256g/cm3
Flash Point190.6ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (1S-(1β,2α,3β))-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid?

The CAS number of (1S-(1β,2α,3β))-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid is 123000-45-3.

What are the molecular formula and molecular weight of (1S-(1β,2α,3β))-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid?

(1S-(1β,2α,3β))-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid has molecular formula C9H13NO5 and molecular weight 215.20300 g/mol.

Is (1S-(1β,2α,3β))-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid hazardous?

(1S-(1β,2α,3β))-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid 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. "(1S-(1β,2α,3β))-(+)-3-Methyl-2-(nitromethyl)-5-oxocyclopentaneacetic acid (CAS 123000-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1050065-7 (accessed 2026-10-25).

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