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5 Kilogram |
Negotiable |
Norethindrone Norethindrone 98% Hormone
USP standard
Norethisterone
Characters |
White or almost white crystalline powder |
Identification
|
TLC UV spectrum IR spectrum |
Melting point |
202 ~ 208℃ |
Loss on drying |
≤0.5% |
Specific rotation |
–30~ –38° |
Limit of ethinyl group |
8.18%~8.43% |
Related substances
|
total impuritics≤1.5% only one impurity≤0.5% |
Solution appearance |
clear,and free from undissolved solid |
Assay
|
97.0 ~ 102.0% |
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