Product name: Levonorgestrel impurity B
Synonym name: 13-Ethyl-17α-ethynyl-17-hydroxygon-5(10)-en-3-one
Catalogue No.: BPI023
Cas No.: 19914-67-1
Formula: C21H28O2
Mol Weight: 312.453
Botanical Source:
Type of Compound:
Purity: 95%~99%
Analysis Method: HPLC-DAD or/and HPLC-ELSD
Identification Method: Mass, NMR
Packing: Brown vial or HDPE plastic bottle
Storage: Store in a well closed container, protected from air and light. Put into refrigerate or freeze for long term storage.
Whenever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20℃. Generally, these will be useable for up to two weeks.
The product could be supplied from milligrams to grams
Inquire for bulk scale.
For Reference Standard and R&D, Not for Human Use Directly.
HPLC of Levonorgestrel impurity B
NMR of Levonorgestrel impurity B
Storage conditions：Short-term storage at 2~8℃, long-term storage at -20 ~ -80℃
