Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

C1510000

Chlorhexidine

European Pharmacopoeia (EP) Reference Standard

Synonym(s):

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

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
[-(CH2)3NHC(=NH)NHC(=NH)NHC6H4Cl]2
CAS Number:
55-56-1
Molecular Weight:
505.45
Beilstein:
2826432
MDL number:
MFCD00009673
UNSPSC Code:
41116107
PubChem Substance ID:
329774893
NACRES:
NA.24

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

Looking for similar products? Visit Product Comparison Guide

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.

related product

Product No.
Description
Pricing

PHR1222

Chlorhexidine acetate, Pharmaceutical Secondary Standard; Certified Reference Material

C1520000

Chlorhexidine diacetate, European Pharmacopoeia (EP) Reference Standard

C1540000

Chlorhexidine dihydrochloride, European Pharmacopoeia (EP) Reference Standard

PHR1294

Chlorhexidine digluconate, Pharmaceutical Secondary Standard; Certified Reference Material

Y0001545

Chlorhexidine for system suitability, European Pharmacopoeia (EP) Reference Standard

1111103

Chlorhexidine acetate, United States Pharmacopeia (USP) Reference Standard

PHR1459

Chlorhexidine Hydrochloride, Pharmaceutical Secondary Standard; Certified Reference Material

1111001

Chlorhexidine, United States Pharmacopeia (USP) Reference Standard

1111012

Chlorhexidine System Suitability Mixture, United States Pharmacopeia (USP) Reference Standard

BP068

Chlorhexidine acetate, British Pharmacopoeia (BP) Reference Standard

Pictograms

CorrosionEnvironment
GHS05,GHS09

Signal Word

Danger

Hazard Statements

H318,H410

Hazard Classifications

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

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

Richard Price et al.
BMJ (Clinical research ed.), 348, g2197-g2197 (2014-04-02)
To determine the effect on mortality of selective digestive decontamination, selective oropharyngeal decontamination, and topical oropharyngeal chlorhexidine in adult patients in general intensive care units and to compare these interventions with each other in a network meta-analysis. Systematic review, conventional
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
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
Karl A Hassan et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(50), 20254-20259 (2013-11-28)
Chlorhexidine is widely used as an antiseptic or disinfectant in both hospital and community settings. A number of bacterial species display resistance to this membrane-active biocide. We examined the transcriptomic response of a representative nosocomial human pathogen, Acinetobacter baumannii, to
Lennie P G Derde et al.
The Lancet. Infectious diseases, 14(1), 31-39 (2013-10-29)
Intensive care units (ICUs) are high-risk areas for transmission of antimicrobial-resistant bacteria, but no controlled study has tested the effect of rapid screening and isolation of carriers on transmission in settings with best-standard precautions. We assessed interventions to reduce colonisation
View All Related Papers

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