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Tildenafil cas:171596-29-5 Formula: C22H19N3O4 Cialis Active Pharmaceutical Ingredient (API) chemical manufacturer

Tildenafil cas:171596-29-5 Formula: C22H19N3O4 Cialis Active Pharmaceutical Ingredient (API) chemical manufacturer

    • Tildenafil  cas:171596-29-5  Formula: C22H19N3O4 Cialis  Active Pharmaceutical Ingredient (API) chemical manufacturer
    • Tildenafil  cas:171596-29-5  Formula: C22H19N3O4 Cialis  Active Pharmaceutical Ingredient (API) chemical manufacturer
    • Tildenafil  cas:171596-29-5  Formula: C22H19N3O4 Cialis  Active Pharmaceutical Ingredient (API) chemical manufacturer
  • Tildenafil  cas:171596-29-5  Formula: C22H19N3O4 Cialis  Active Pharmaceutical Ingredient (API) chemical manufacturer

    Product Details:

    Place of Origin: China
    Brand Name: bestchem

    Payment & Shipping Terms:

    Minimum Order Quantity: 1kg
    Price: $500/kg
    Packaging Details: 1kg/bag or 25kgs/drum
    Delivery Time: within 3 work days
    Payment Terms: T/T, Western Union, MoneyGram
    Supply Ability: 20000kgs/month
    Contact Now
    Detailed Product Description
    Purity: 99% Appearance: White Or Almost White Crystalline Powder
    CAS No.: 171596-29-5 Other Name: Cialis
    Formula: C22H19N3O4

    Tildenafil  cas:171596-29-5 Formula: C22H19N3O4


    Product name : Tildenafil

    (6R,12aR)-6-(benzo[d][1,3]dioxol-5-yl)-2-methyl-2,3,12,12a tetrahydropyrazino [1',2':1,6] pyrido[3,4b] indole1,4(6H,7H)-dione;

    (6R,12aR)-6-(1,3-benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6] pyrido[3,4-b]indole-1,4-dione;


    other name : Cialis
    CAS No.: 171596-29-5
    Formula: C22H19N3O4
    package :1kg/bag or 25kgs/drum

    Appearance : White or almost white crystalline powder

    Solubility : Practically insoluble in water, freely soluble in dimethyl sulfoxide, slightly soluble in methylene chloride

    Melting point : 302℃~303℃

     

    Tildenafil  cas:171596-29-5  Formula: C22H19N3O4 Cialis  Active Pharmaceutical Ingredient (API) chemical manufacturerTildenafil  cas:171596-29-5  Formula: C22H19N3O4 Cialis  Active Pharmaceutical Ingredient (API) chemical manufacturer
    Identification
    The infrared absorption spectrum is concordant with the reference spectrum

    The principal peak in the chromatogram obtained with the test solution is similar in retention time and size to the principal peak in the chromatogram obtained with reference solution

    Rotation : + 78.0°to + 84.0°
    Impurities A, B and C , Impurity A, B and C≤0.1%

    Loss on drying ≤0.5%
    Residue on ignition ≤0.1%
    Heavy metals ≤10ppm

    Individual impurity≤0.1%
    Total unknown impurity≤0.3%

    Residual Solvents
    Methanol;≤0.3%
    EA≤0.5%
    IPA≤0.5%
    Methyl acetate≤0.5%
    DCM≤0.06%
    AceticAcid≤0.5%

    Assay :98% ~ 102.0 % (dried substance).

     

    The test results conform with EP 9/USP40 Specification.

     

     

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