Molekula

N-Acetyl-L-cysteine (TF)

SKU 90030841 CAS 616-91-1 HSCH2CH(NHCOCH3)CO2H MW 163.19 Available on enquiry

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ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Certificate of Analysis with every batch

N-Acetyl-L-cysteine (NAC) is a thiol-containing amino acid derivative widely used as a mucolytic agent to break down mucus, as an antioxidant to neutralize free radicals, and in pharmaceuticals, cosmetics, and dietary supplements for liver protection and detoxification. It is also employed in research for its role in glutathione synthesis and as a reducing agent. This chemical has a CAS number of 616-91-1, with the molecular formula HSCH2CH(NHCOCH3)CO2H and a molecular weight of 163.19. It should be stored between 2 to 8°C, and it carries a signal word of Warning. Molekula supplies N-Acetyl-L-cysteine (TF) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 90030841
CAS Number: 616-91-1
IUPAC Name: (2R)-2-acetamido-3-sulfanylpropanoic acid
EC Number: 210-498-3
Molecular Formula: HSCH2CH(NHCOCH3)CO2H
Molecular Weight: 163.19
Exact Mass: 163.0303
SMILES: CC(=O)N[C@@H](CS)C(=O)O
InChIKey: PWKSKIMOESPYIA-BYPYZUCNSA-N
InChI: InChI=1S/C5H9NO3S/c1-3(7)6-4(2-10)5(8)9/h4,10H,2H2,1H3,(H,6,7)(H,8,9)/t4-/m0/s1
PubChem CID: 12035

Literature values

Published physical properties of the substance, not batch specifications.

Appearance: White, crystalline powder
Odour: Slight acetic odor
Melting Point: 109.5 °C
Solubility (other solvents): Soluble in water, alcohol, hot isopropyl alcohol, methyl acetate, and ethyl acetate
Vapour Pressure: 1.1 × 10⁻⁵ mmHg at 25 °C (Estimated)
pKa: pKa = 9.52 (at 25 °C)
log P (octanol/water): -0.66

Source: PubChem CID 12035 (HSDB, DrugBank)

See all 6 other grades of CAS 616-91-1 →

Frequently asked questions

What is N-Acetyl-L-cysteine (TF) commonly used for?

N-Acetyl-L-cysteine (TF) is primarily used as a mucolytic agent to break down mucus in respiratory conditions, as an antioxidant, and in the production of pharmaceuticals, cosmetics, and nutritional supplements.

What is the chemical formula and molecular weight of N-Acetyl-L-cysteine (TF)?

The chemical formula is **HSCH₂CH(NHCOCH₃)CO₂H**, and the molecular weight is **163.19 g/mol**.

How should N-Acetyl-L-cysteine (TF) be stored?

Store at **2–8°C** in a cool, dry place, away from direct sunlight and moisture. Follow proper laboratory or industrial storage protocols.

What grades of N-Acetyl-L-cysteine (TF) does Molekula supply?

Molekula supplies **pharmaceutical (TF) grade** N-Acetyl-L-cysteine, meeting strict purity and quality standards for regulated applications.

Can Molekula supply N-Acetyl-L-cysteine (TF) in bulk quantities?

Yes, Molekula can provide N-Acetyl-L-cysteine (TF) in bulk, with quantities tailored to your production needs—contact us for pricing and availability.

What documentation comes with an order of N-Acetyl-L-cysteine (TF)?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and, if applicable, **pharmaceutical-grade documentation** for traceability and compliance.

Related products

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.