Keywords

• Clemastine fumarate
• Clemastine
• USP40 Clemastine fumarate

Quick Details

• ProName: Clemastine fumarate CAS NO.14976-57-9
• CasNo: 14976-57-9
• Molecular Formula: C21H26ClNO.C4H4O4
• Appearance: white powder
• Application: Used in Synthesis, Pharmaceuticals
• DeliveryTime: within 7 days
• PackAge: bag or carton
• Port: xingang
• ProductionCapacity: 100 Kilogram/Day
• Purity: 99%
• Storage: Store in dry, dark and ventilated plac...
• Transportation: sea air
• LimitNum: 1 Kilogram

Superiority

• ProName:Clemastine fumarate
• CasNo:14976-57-9
• Molecular Formula:C21H26ClNO.C4H4O4
• Appearance:White to off-white crystalline powder
• Application:Antihistamines API
• DeliveryTime:15 Days
• PackAge:1Kg/Bag
• ProductionCapacity:100 Kiloliter/Month
• Purity:99.0%
• LimitNum:1 Gram

Details

Appearance: White or off-white crystalline powder

Solubility: Slightly soluble in methanol, very slightly soluble in water

Clarity and color of solution: The test solution is colorless or not more intensely colored than color matching fluid

Identification IR: IR spectrum of the sample corresponds to that of reference standard
TLC: Should be positive
HPLC: The retention time of the major peak in chromatograms corresponds to that in the reference standard

Specific rotation [α]D20: +15.0°～ +18.0°(C=1, in methanol)

pH: 3.2  ～ 4.2

Related substances:

4-Chlorobenzophenone
Individual impurity≤0.1%
Total impurities≤1.0%

Loss on drying: ≤0.5%

Heavy metals: ≤20ppm

Assay: 98.0% ～ 102.0%

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