1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidine-3-carboxylic acid

1-芴甲氧羰基-3-哌啶甲酸

Also known as: Fmoc-DL-Nip-OH, Fmoc-DL-nipecotic acid, Fmoc-nipecotic acid, 1-(((9H-Fluoren-9-yl)methoxy)carbonyl)piperidine-3-carboxylic acid, N-Fmoc-piperidine-3-carboxylic acid, Fmoc-3-carboxypiperidine, N-Fmoc-nipecotic acid, (±)-N-Fmoc-3-piperidinecarboxylic acid

1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidine-3-carboxylic acid (CAS 158922-07-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C21H21NO4 and a molecular weight of 351.39600 g/mol. It is also known as Fmoc-DL-Nip-OH, Fmoc-DL-nipecotic acid and Fmoc-nipecotic acid. Key properties include a boiling point of 561.6ºC at 760 mmHg, a density of 1.293g/cm3 and a flash point of 293.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
158922-07-7
Jingsj CID
J-1495356-3
Molecular Formula
C21H21NO4
Chinese Name
1-芴甲氧羰基-3-哌啶甲酸
Molecular Weight
351.39600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point561.6ºC at 760 mmHg
Density1.293g/cm3
Flash Point293.5ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidine-3-carboxylic acid?

The CAS number of 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidine-3-carboxylic acid is 158922-07-7.

What are the molecular formula and molecular weight of 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidine-3-carboxylic acid?

1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidine-3-carboxylic acid has molecular formula C21H21NO4 and molecular weight 351.39600 g/mol.

Is 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidine-3-carboxylic acid hazardous?

1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidine-3-carboxylic 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. "1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}piperidine-3-carboxylic acid (CAS 158922-07-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1495356-3 (accessed 2026-10-25).

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