Skip to Content
Merck
All Photos(1)

Key Documents

1269232

USP

Famotidine Related Compound C

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

3-[[[2-[(Aminoiminomethyl)amino]-4-thiazolyl]methyl]thio]-N-(aminosulfonyl)propanamide monohydrochloride, 3-{[2-(Diaminomethyleneamino)thiazol-4-yl]methylthio}-N-sulfamoylpropanamide hydrochloride

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C8H14N6O3S3 · HCl
CAS Number:
Molecular Weight:
374.89
UNSPSC Code:
41116107
NACRES:
NA.24

biological source

synthetic

grade

pharmaceutical primary standard

Agency

USP

API family

famotidine

form

powder

packaging

pkg of 25 mg

manufacturer/tradename

USP

storage condition

protect from light

color

white to off-white

mp

298.4-314.6 °F (148—157°C)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

InChI

1S/C8H14N6O3S3.ClH/c9-7(10)13-8-12-5(4-19-8)3-18-2-1-6(15)14-20(11,16)17;/h4H,1-3H2,(H,14,15)(H2,11,16,17)(H4,9,10,12,13);1H

InChI key

LBBLJRHWJZWHQA-UHFFFAOYSA-N

General description

Famotidine Related Compound C (Famotidine Impurity C) is an impurity of famotidine, which is a hydrophilic, cationic, histamine H2 receptor antagonist drug that effectively inhibits gastric acid secretion in humans.
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.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

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

Visit the Document Library

Stability indicating method for famotidine in pharmaceuticals using porous graphitic carbon column
Helali N and Monser L
Journal of Separation Science, 31(2) (2008)
Capillary zone electrophoresis method for the determination of famotidine and related impurities in pharmaceuticals
Helali N, et al.
Talanta, 74(4) (2008)
Development and validation of chromatographic methods for simultaneous determination of ibuprofen and famotidine in presence of related substances in pharmaceutical formulations
Elzanfaly ES, et al.
Acta Chimica Slovenica, 62(1) (2014)
Famotidine
Pharmacopeia, US
United States Pharmacopeia, 39(1)(1-2), 1815-1815 (2020)
Potentiometric determination of famotidine in pharmaceutical formulations
Ayad MM, et al.
Journal of Pharmaceutical and Biomedical Analysis, 29(1-2) (2002)

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