Specifications
Letrozole
Alias: Femara
CAS No.: 112809-51-5
MF: C17H11N5
MW: 285.3
Purity: 98.0~102.0%
Appearance: White or Almost White Crystalline Powder
Place of Origin: China
Standard: USP/BP
Certification: SGS
Method of Analysis: HPLC
TEST ITEMS ANALYSIS STANDARDS RESULTS
Appearance White or off-white crystaline powder White
Crystalline powder
Solubility
Soluble in Chloroform;
Soluble in ethanol when heated Conform
ldentification (1)Maximum absorption in wavelength
of 240 nm Minimum absorption in
wavelength of 215 nm Conform
Conform
(2)Infrared spectrum should be in
accordance the dominant peak of
contrast In accordance with the dominant
peak of contrast
Melting points 182 degrees Celcius-184 degrees Celcius 182 degrees Celcius
Related substances ≤0.5% 0.3%
Single impurity ≤0.3% 0.2%
Loss on drying ≤1.0% 0.8%
[Assay]C17H11N5
(On anhydrous basis) ≥98.0% 99.2%
Conclusion The specification conforms with USP/BP
Semi-finished Injectable / Oral steroids as below.
Test prop -------- 100mg/ml 200mg/ml
Test enan ------- 250mg/ml 300mg/ml 400mg/ml
Test cyp ------- 200mg/ml 250mg/ml 300mg/ml
Test Sustanon ------- 200mg/ml 250mg/ml 300mg/ml
Deca -------- 200mg/ml 250mg/ml
Equipoise -------- 200mg/ml 300mg/ml
Tren ace --------100mg/ml 200mg/ml
Tren enan -------- 100mg/ml 200mg/ml
Dianabol -------- 50mg/ml
Winstrol --------- 50mg/ml
Masteron -------- 100mg/ml
Primobolone -------- 100mg/ml
Supertest -------- 450mg/ml
Anomass --------- 400mg/ml
Ripex --------- 225mg/ml
Tritren ---------- 180mg/ml
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Our Company has engaged in hormone raw materials for more than ten years. Over 90% of them are exported to North America, European, Southeast Asia , Africa and South America.....we have mature package technology to clear custom seccessfully. we put the hormone powders into food package, when delivery, we also add some real snacks.
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