N-Acetyl-D-cysteine

N-乙酰基-D-半胱氨酸

Also known as: Ac-D-Cys-OH, D-N-Acetylcysteine, N-Acetyl-(S)-cysteine, D-Cysteine, N-acetyl-, Acetylcysteine Impurity 5, Acetylcysteine Impurity F, Cysteine, N-acetyl-, D- (8CI), (2R)-2-acetamido-3-sulfanylpropanoic acid, Einecs 247-470-5

N-Acetyl-D-cysteine (CAS 26117-28-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9NO3S and a molecular weight of 163.195 g/mol. It is also known as Ac-D-Cys-OH, D-N-Acetylcysteine and N-Acetyl-(S)-cysteine. Key properties include a boiling point of 407.7±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 200.4±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26117-28-2
Jingsj CID
J-1958512-1
Molecular Formula
C5H9NO3S
Chinese Name
N-乙酰基-D-半胱氨酸
Molecular Weight
163.195 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point407.7±40.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point200.4±27.3 °C

Frequently Asked Questions

What is the CAS number of N-Acetyl-D-cysteine?

The CAS number of N-Acetyl-D-cysteine is 26117-28-2.

What are the molecular formula and molecular weight of N-Acetyl-D-cysteine?

N-Acetyl-D-cysteine has molecular formula C5H9NO3S and molecular weight 163.195 g/mol.

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

Last updated:

How to cite: Jingsj. "N-Acetyl-D-cysteine (CAS 26117-28-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1958512-1 (accessed 2026-10-26).

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