Skip to Content
Merck

Key Documents

View All Documentation

C1510000

Chlorhexidine

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

1,1′-Hexamethylenebis[5-(4-chlorophenyl)biguanide]

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
[-(CH2)3NHC(=NH)NHC(=NH)NHC6H4Cl]2
CAS Number:
55-56-1
Molecular Weight:
505.45
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329774893
MDL number:
MFCD00009673
Beilstein/REAXYS Number:
2826432
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

grade

pharmaceutical primary standard

API family

chlorhexidine

manufacturer/tradename

EDQM

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

mp

134-136 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

Clc1ccc(NC(=N)NC(=N)NCCCCCCNC(=N)NC(=N)Nc2ccc(Cl)cc2)cc1

InChI

1S/C22H30Cl2N10/c23-15-5-9-17(10-6-15)31-21(27)33-19(25)29-13-3-1-2-4-14-30-20(26)34-22(28)32-18-11-7-16(24)8-12-18/h5-12H,1-4,13-14H2,(H5,25,27,29,31,33)(H5,26,28,30,32,34)

InChI key

GHXZTYHSJHQHIJ-UHFFFAOYSA-N

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

Chlorhexidine EP Reference standard, intended for use in laboratory tests only as specifically prescribed in the European Pharmacopoeia.

Packaging

The product is delivered as supplied by the issuing Pharmacopoeia. For the current unit quantity, please visit the EDQM reference substance catalogue.

Other Notes

Sales restrictions may apply.

Still not finding the right product?

Explore all of our products under Chlorhexidine

pictograms

CorrosionEnvironment
GHS05,GHS09

signalword

Danger

hcodes

H318,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

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

Matthias Maiwald et al.
PloS one, 7(9), e44277-e44277 (2012-09-18)
Skin antisepsis is a simple and effective measure to prevent infections. The efficacy of chlorhexidine is actively discussed in the literature on skin antisepsis. However, study outcomes due to chlorhexidine-alcohol combinations are often attributed to chlorhexidine alone. Thus, we sought
S Karki et al.
The Journal of hospital infection, 82(2), 71-84 (2012-08-15)
The topical use of chlorhexidine gluconate (CHG) is intended to reduce bacterial density on patients' skin. To assess the impact of body bath or skin cleansing with CHG-impregnated or CHG-saturated washcloths in preventing healthcare-associated infections and colonization. This systematic review
Carolyne Horner et al.
The Journal of antimicrobial chemotherapy, 67(11), 2547-2559 (2012-07-27)
Antiseptic agents are increasingly used for hand hygiene and skin decolonization as key tools for the prevention of healthcare-associated infections. Chlorhexidine, a divalent, cationic biguanide, has a broad spectrum of activity and is one of the most frequently used topical
View All Related Papers