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CAS 14976-57-9

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Clemastine fumarate

Description:
Clemastine fumarate is an antihistamine medication primarily used to relieve allergy symptoms, such as runny nose, sneezing, and itching. It is classified as a first-generation antihistamine, which means it can cross the blood-brain barrier, often leading to sedative effects. The substance is a salt formed from clemastine, a diphenylmethanol derivative, and fumaric acid. In its pure form, clemastine fumarate appears as a white to off-white crystalline powder, which is soluble in water and alcohol. Its mechanism of action involves antagonizing the H1 histamine receptors, thereby inhibiting the effects of histamine, a compound involved in allergic responses. Additionally, clemastine fumarate may exhibit anticholinergic properties, contributing to its efficacy in alleviating symptoms. The compound is typically administered orally and is available in various formulations, including tablets and syrups. As with many antihistamines, potential side effects may include drowsiness, dry mouth, and dizziness, necessitating caution when driving or operating heavy machinery.
Formula:C21H26ClNO·C4H4O4
InChI:InChI=1/C21H26ClNO.C4H4O4/c1-21(17-7-4-3-5-8-17,18-10-12-19(22)13-11-18)24-16-14-20-9-6-15-23(20)2;5-3(6)1-2-4(7)8/h3-5,7-8,10-13,20H,6,9,14-16H2,1-2H3;1-2H,(H,5,6)(H,7,8)/b;2-1+/t20-,21-;/m1./s1
SMILES:[C@@](OCC[C@@H]1N(C)CCC1)(C)(C2=CC=C(Cl)C=C2)C3=CC=CC=C3.C(=C/C(O)=O)\C(O)=O
Synonyms:
  • (+)-(2R)-2-[2-[[(R)-p-Chloro-alpha-methyl-alpha-phenylbenzyl]oxy]ethyl]-1-methylpyrrolidine
  • (+)-2-[2-[(p-Chloro-α-methyl-α-phenylbenzyl)oxy]ethyl]-1-methylpyrrolidine fumarate
  • (2R)-2-[2-[(1R)-1-(4-Chlorophenylethoxy)]Ethyl]-1-Methyl-2-Pyrrolidine Fumarate
  • (2R)-2-{2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl}-1-methylpyrrolidine
  • (2R)-2-{2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl}-1-methylpyrrolidine (2E)-but-2-enedioate
  • 2-{2-[1-(4-Chlorophenyl)-1-Phenylethoxy]Ethyl}-1-Methylpyrrolidine
  • Agasten
  • Aloginan
  • Alphamin
  • Anhistan
  • See more synonyms
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Found 17 products.
  • Clemastine Fumarate

    CAS:
    Formula:C21H26ClNO·C4H4O4
    Purity:>98.0%(T)(HPLC)
    Color and Shape:White to Light yellow powder to crystal
    Molecular weight:459.97

    Ref: 3B-C3816

    250mg
    108.00€
  • Clemastine Fumarate

    CAS:
    Color and Shape:White

    Ref: 61-FOR1444.00

    10mg
    306.00€
  • CLEMASTINE FUMARATE CRS

    CAS:
    <p>CLEMASTINE FUMARATE CRS</p>
    Formula:C25H30ClNO5
    Color and Shape:Crystalline Powder. White. Powder.
    Molecular weight:459.9624

    Ref: 41-C2223000

    100mg
    115.00€
  • CLEMASTINE FOR SYSTEM SUITABILITY CRS

    CAS:
    <p>CLEMASTINE FOR SYSTEM SUITABILITY CRS</p>
    Formula:C25H30ClNO5
    Molecular weight:459.9624

    Ref: 41-Y0001613

    0.165mg
    115.00€
  • Clemastine fumarate

    CAS:
    Clemastine fumarate
    Formula:C21H26ClNO
    Purity:74.7%
    Color and Shape:White
    Molecular weight:343.17029

    Ref: 47-525

    200mg
    242.00€
  • (2E)-but-2-enedioic acid; (2R)-2-{2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl}-1-methylpyrrolidine

    CAS:
    Formula:C25H30ClNO5
    Purity:98%
    Color and Shape:Solid
    Molecular weight:459.9624

    Ref: IN-DA00HXQN

    1g
    121.00€
    5g
    318.00€
    25mg
    50.00€
    100mg
    57.00€
    250mg
    65.00€
  • Clemastine fumarate

    CAS:
    <p>Clemastine fumarate (Meclastine (fumarate)) is a synthetic ethanolamine with anticholinergic, sedative, and histamine H1 antagonistic properties.</p>
    Formula:C25H30ClNO5
    Purity:99.52% - >99.99%
    Color and Shape:Colorless To Faintly Yellow Crystalline Powder Appearance White Or Almost White Crystalline Powder
    Molecular weight:459.97
  • Clemastine fumarate

    CAS:
    Clemastine fumarate
    Purity:≥98%
    Molecular weight:459.97g/mol

    Ref: 54-BUP14783

    50mg
    61.00€
    100mg
    81.00€
    200mg
    116.00€
  • (R)-2-(2-((R)-1-(4-Chlorophenyl)-1-Phenylethoxy)Ethyl)-1-Methylpyrrolidine Fumarate

    CAS:
    (R)-2-(2-((R)-1-(4-Chlorophenyl)-1-Phenylethoxy)Ethyl)-1-Methylpyrrolidine Fumarate
    Purity:99%
    Molecular weight:459.96g/mol

    Ref: 54-OR1008447

    1g
    127.00€
    5g
    398.00€
    25g
    1,342.00€
    100mg
    40.00€
    250mg
    53.00€
  • Clemastine Fumarate

    CAS:
    Color and Shape:White To Off-White Solid
    Molecular weight:C21H26ClNO. C4H4O4

    Ref: 4Z-C-144001

    5mg
    To inquire
    10mg
    To inquire
    25mg
    To inquire
    50mg
    To inquire
    100mg
    To inquire
  • Clemastine Fumarate

    Controlled Product
    CAS:
    Formula:C21H26ClNO·C4H4O4
    Color and Shape:Neat
    Molecular weight:459.96

    Ref: 86-MM1444.00

    250mg
    296.00€
  • Clemastine Fumarate

    Controlled Product
    CAS:
    <p>Applications H1 Histamine receptor antagonist. Antihistaminic.<br>References Weidmann, et al.: Boll. Chim. Farm., 106, 467 (1967), Gober, B., et al.: Pharmazie, 43, 539 (1988), Breccia, A., et al.: Curr. Ther. Res., 49, 622 (1991), Schran, H., et al.: J. Clin. Pharmacol., 36, 911 (1996),<br></p>
    Formula:C21H26ClNO·C4H4O4
    Color and Shape:White
    Molecular weight:459.96

    Ref: TR-C568500

    25mg
    79.00€
    100mg
    91.00€
    500mg
    259.00€
  • Clemastine fumarate - Bio-X ™

    CAS:
    <p>Clemastine is an antihistamine drug that has anticholinergic and sedative effects. It is a selective histamine H1 antagonist and binds to the histamine H1 receptor, blocking the action of endogenous histamine. Clemastine is used in cases of allergy or cold. Also, it has shown to reduce the symptoms of the rhinovirus infection, such as, sneezing and rhinorrhea.</p>
    Formula:C21H26ClNO•C4H4O4
    Purity:Min. 95%
    Color and Shape:Powder
    Molecular weight:459.96 g/mol

    Ref: 3D-BC164321

    50mg
    140.00€
  • Clemastine fumarate

    CAS:
    <p>Histamine (H1) receptor antagonist</p>
    Formula:C25H30ClNO5
    Purity:Min. 95%
    Color and Shape:White Powder
    Molecular weight:459.96 g/mol

    Ref: 3D-FC20473

    1g
    329.00€
    2g
    457.00€
    5g
    714.00€
    500mg
    222.00€
  • Clemastine fumarate

    CAS:
    Purity:98%
    Molecular weight:459.970

    Ref: 10-F859378

    1g
    127.00€
    5g
    431.00€
    100mg
    53.00€
    250mg
    61.00€
  • Clemastine-d5 Fumarate

    Controlled Product
    CAS:
    Formula:C21D5H21ClNO·C4H4O4
    Color and Shape:Neat
    Molecular weight:464.993

    Ref: TR-C568502

    5mg
    5,142.00€
  • Clemastine Fumarate

    CAS:
    Antihistamines
    Formula:C21H26ClNO·C4H4O4
    Color and Shape:Powder
    Molecular weight:343.17029

    Ref: 45-1134506

    250mg
    Discontinued
    Discontinued product