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Key Documents

1099008

USP

Cephalexin

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Cephalexin monohydrate

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About This Item

Empirical Formula (Hill Notation):
C16H17N3O4S · H2O
CAS Number:
23325-78-2
Molecular Weight:
365.40
UNSPSC Code:
41116107
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

cephalexin

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

InChI

1S/C16H17N3O4S.H2O/c1-8-7-24-15-11(14(21)19(15)12(8)16(22)23)18-13(20)10(17)9-5-3-2-4-6-9;/h2-6,10-11,15H,7,17H2,1H3,(H,18,20)(H,22,23);1H2/t10-,11-,15-;/m1./s1

InChI key

AVGYWQBCYZHHPN-CYJZLJNKSA-N

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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

Cephalexin USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.
Also, for use with USP monographs such as:
  • Cephalexin Hydrochloride
  • Cephalexin Tablets
  • Cephalexin Capsules
  • Cephalexin for Oral Suspension
  • Cephalexin Tablets for Oral Suspension

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’.

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G L McCloskey et al.
Cutis, 59(5), 251-254 (1997-05-01)
The ampicillin rash occurring in cases of infectious mononucleosis is well documented. Similar phenomena have also been observed with other antibiotics. The case of a patient with infectious mononucleosis treated with cephalexin who later showed a rash is presented and
C W Derrick et al.
Postgraduate medical journal, 59 Suppl 5, 43-46 (1983-01-01)
Cephalexin remains an effective and highly useful antibiotic for the treatment of streptococcal and staphylococcal skin infections. Twelve years of experience have not diminished its efficacy, and cure rates of 90% or higher continue to be achieved. Its resistance to
R N Jones et al.
Postgraduate medical journal, 59 Suppl 5, 9-15 (1983-01-01)
The present report reviews the significant in vitro characteristics of cephalexin based on data published since 1967 (Wick, 1967). Whenever possible, current data on the action spectrum of cephalexin are compared with previous results, and the significance of in vitro
K M Murray et al.
The Annals of pharmacotherapy, 26(10), 1230-1233 (1992-10-01)
To report a case of cephalexin-induced Stevens-Johnson syndrome (SJS), a devastating adverse drug reaction that involves the entire skin surface and mucosal areas of the body. MEDLINE search (key terms cephalosporins, Stevens-Johnson syndrome, erythema multiforme, and systemic lupus erythematosus) and
Viviane Jusot et al.
Journal of tropical pediatrics, 60(3), 223-230 (2014-02-18)
Bordetella pertussis still poses an important health threat in developing countries. In Niger, notified pertussis cases are few despite the low diphtheria-tetanus-pertussis/pentavalent vaccine coverage. We aimed to estimate the prevalence of B. pertussis in children aged <5 years consulting at
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