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Merck

1123000

USP

Chlorpheniramine maleate

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

(±)-Chlorpheniramine maleate salt

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About This Item

Empirical Formula (Hill Notation):
C16H19ClN2 · C4H4O4
CAS Number:
Molecular Weight:
390.86
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

Pricing and availability is not currently available.

grade

pharmaceutical primary standard

API family

chlorpheniramine

manufacturer/tradename

USP

mp

130-135 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

SMILES string

CN(C)CCC(C1=CC=C(Cl)C=C1)C2=NC=CC=C2.O=C(/C=C\C(O)=O)O

InChI

1S/C16H19ClN2.C4H4O4/c1-19(2)12-10-15(16-5-3-4-11-18-16)13-6-8-14(17)9-7-13;5-3(6)1-2-4(7)8/h3-9,11,15H,10,12H2,1-2H3;1-2H,(H,5,6)(H,7,8)/b;2-1-

InChI key

DBAKFASWICGISY-BTJKTKAUSA-N

Gene Information

human ... HRH1(3269)

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This Item
W1754W3500270733
Water for molecular biology, sterile filtered

95284

Water

Water PCR Reagent

W1754

Water

Water sterile-filtered, BioReagent, suitable for cell culture

W3500

Water

Water suitable for HPLC

270733

Water

technique(s)

FISH: suitable

technique(s)

PCR: suitable

technique(s)

cell culture | mammalian: suitable

technique(s)

HPLC: suitable

form

liquid

form

liquid

form

liquid

form

liquid

mp

0 °C (lit.)

mp

0 °C (lit.)

mp

0 °C (lit.)

mp

0 °C (lit.)

pH

5-7

pH

5-7

pH

5-7

pH

6.0-8.0 (25 °C)

bp

100 °C (lit.)

bp

100 °C (lit.)

bp

100 °C (lit.)

bp

100 °C (lit.)

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

Chlorpheniramine maleate 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:
  • Chlorpheniramine Maleate Tablets
  • Chlorpheniramine Maleate Oral Solution
  • Chlorpheniramine Maleate Extended-Release Capsules
  • Chlorpheniramine Maleate and Pseudoephedrine Hydrochloride Oral Solution
  • Acetaminophen, Chlorpheniramine Maleate, and Dextromethorphan Hydrobromide Tablets
  • Chlorpheniramine Maleate and Pseudoephedrine Hydrochloride Extended-Release Capsules
  • Penicillin G Procaine, Dihydrostreptomycin Sulfate, Chlorpheniramine Maleate, and Dexamethasone Injectable Suspension

Biochem/physiol Actions

H1 Histamine receptor antagonist.

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.

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Description
Pricing

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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Juan José Saez et al.
Cells, 10(2) (2021-02-13)
LAT is an important player of the signaling cascade induced by TCR activation. This adapter molecule is present at the plasma membrane of T lymphocytes and more abundantly in intracellular compartments. Upon T cell activation the intracellular pool of LAT
L Canto-de-Souza et al.
Neuroscience letters, 587, 11-16 (2014-12-20)
Several findings have pointed to the role of histaminergic neurotransmission in the modulation of anxiety-like behaviors and emotional memory. The elevated plus-maze (EPM) test has been widely used to investigate the process of anxiety and also has been used to
Cheryl C Y Loh et al.
PloS one, 9(10), e110800-e110800 (2014-10-25)
Chloroquine was a cheap, extremely effective drug against Plasmodium falciparum until resistance arose. One approach to reversing resistance is the inhibition of chloroquine efflux from its site of action, the parasite digestive vacuole. Chloroquine accumulation studies have traditionally relied on
Hao Lou et al.
Drug development and industrial pharmacy, 40(7), 910-918 (2013-04-30)
To mask the bitterness of Chlorpheniramine Maleate via encapsulating drug into Eudragit EPO microparticles, and then incorporate these microparticles into orally disintegrating films (ODF) and orally disintegrating tablets (ODT) for pediatric uses. Spray drying of water-in-oil emulsion was utilized to
Shigeru Hishinuma et al.
Biochemical pharmacology, 91(2), 231-241 (2014-07-30)
Differential binding sites for first- and second-generation antihistamines were indicated on the basis of the crystal structure of human histamine H1 receptors. In this study, we evaluated differences between the thermodynamic driving forces of first- and second-generation antihistamines for human

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