USD $10.00-90.00 / Kilogram
USD $1.00-10.00 / Kilogram
we have gmp.it conforms to usp pending.
specification:
appearance white crystalline powder
identification
a:ir
b:rt(hplc)
residue on igntition: ≤0.1%
heavy metals :≤ 10ppm
loss on drying :≤0.50%
water :≤0.5%
specific rotation: +290 ~ +300
spirooxiran 1: not detected
spirooxiran 2: not detected
exemestane related compound a: ≤0.15%
exemestane related compound c: ≤0.15%
any unspecified impurity :≤0.10%
total impurity :≤0.50%
micron 100%:≤ 20μm
assay(hplc) 98.0~102.0%(on dry basis)
application:
used to treat breast cancer.