China (Mainland)
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lower price 99.0%~102.0% white crystalline powder Letrozole;FEMARA;CGS-20267;LETROZOL CAS NO.112809-51-5
- Min.Order: 10 Gram
- Payment Terms: L/C,D/P,T/T,
- Product Details
Keywords
- Letrozole
- 4,4'-(1H-1,2,4-TRIAZOL-1-YLMETHYLENE) BIS-BENZONITRILE
- CGS-20267, Femara
Quick Details
- ProName: lower price 99.0%~102.0% white crystal...
- CasNo: 112809-51-5
- Molecular Formula: C17H11N5
- Appearance: White crystalline powder
- Application: Synonyms: Femara;Letrozol M.W.: 285.3
- DeliveryTime: Prompt shipment
- PackAge: 1kg/bag,25kg/drum or customer requirem...
- Port: Hangzhou or Shanghai,China
- ProductionCapacity: Metric Ton/Day
- Purity: 99.0%~102.0%
- Storage: room temperature
- Transportation: by sea air express(DHL EMS FEDEX OR TN...
- LimitNum: 10 Gram
- Grade: Pharma Grade
Superiority
Appearance White or off- white crystalline powder Solubility:Soluble in chloroform and acetone,slightly soluble in methanol,practically insolub…
Details
Appearance White off- white crystalline powder
Solubility:Soluble in chloroform acetone,slightly soluble in methanol,practically insoluble in water.
Melting point: 181~185℃
Absorption coefficient :1150~1222
Identification
UV: Maximum absorption wavelength:240nm
Maximum absorption wavelength:215nm
IR: The infrared spectrum concordant to that of CK.
HPLC: The retention time correspond to that of CK.
Loss on drying :≤1.0%
Residue on ignition: ≤0.1%
Heavy metals :≤0.001%
Related substances
Related substance A: ≤0.3%
Related substance B: ≤0.2%
Single impurity: ≤0.1%
Total impurities: ≤0.3%
Chloroform :≤ 0.006％
Methanol :≤0.3%
Acetone: ≤0.5%
Acetic ether: ≤0.5%
Isopropyl ether :≤0.5%
DMF:≤0.088%
Assay: 99.0%~102.0%
