Skip to Content
Merck
CN

BP907

Acetylcysteine

British Pharmacopoeia (BP) Reference Standard

Synonym(s):

N-Acetyl-L-cysteine, LNAC, NAC

Sign In to View Organizational & Contract Pricing

Select a Size

About This Item

Linear Formula:
HSCH2CH(NHCOCH3)CO2H
CAS Number:
616-91-1
Molecular Weight:
163.19
Beilstein:
1724426
EC Number:
210-498-3
MDL number:
MFCD00004880
UNSPSC Code:
12352209
NACRES:
NA.24

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

pharmaceutical primary standard

API family

acetylcysteine

form

crystalline

shelf life

limited shelf life, expiry date on the label

manufacturer/tradename

BP

mp

106-108 °C (lit.)

application(s)

pharmaceutical
pharmaceutical small molecule

format

neat

storage temp.

2-8°C

SMILES string

CC(=O)N[C@@H](CS)C(O)=O

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

InChI key

PWKSKIMOESPYIA-BYPYZUCNSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Acetylcysteine BP Reference standard, intended for use in laboratory tests only as specifically prescribed in the British Pharmacopoeia.

Also used in monographs such as:
  • Acetylcysteine Eye Drops

    • Biochem/physiol Actions

    Antioxidant and mucolytic agent. Increases cellular pools of free radical scavengers. Reported to prevent apoptosis in neuronal cells but induce apoptosis in smooth muscle cells. Inhibits HIV replication. May serve as a substrate for microsomal glutathione transferase.

    Packaging

    Unit quantity: 200 mg. Subject to change. The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity please visit British Pharmacopoeia

    Other Notes

    Learn how British Pharmacopoeia (BP) sets the standard by offering quality British Pharmacopoeia Chemical Reference Substances (BPCRS).
    Sales restrictions may apply.

    Pictograms

    Exclamation mark
    GHS07

    Signal Word

    Warning

    Hazard Statements

    H319

    Hazard Classifications

    Eye Irrit. 2

    Storage Class Code

    13 - Non Combustible Solids

    WGK

    WGK 2

    Flash Point(F)

    Not applicable

    Flash Point(C)

    Not applicable

    Choose from one of the most recent versions:

    Certificates of Analysis (COA)

    Lot/Batch Number

    It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

    If you need assistance, please contact Customer Support

    Already Own This Product?

    Find documentation for the products that you have recently purchased in the Document Library.

    Visit the Document Library

    Hongge Wang et al.
    Oncogene, 39(14), 2905-2920 (2020-02-08)
    PARP1 and PARP2 play critical roles in regulating DNA repair and PARP inhibitors have been approved for the treatment of BRCA1/2-mutated ovarian and breast cancers. It has long been known that PARP inhibition sensitizes cancer cells to DNA-damaging cytotoxic agents

    Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

    Contact Technical Service