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QL221544
Synonyms: (3R,5R,8R,9R,10S,13S,14S,17R)-13-ethyl-17-ethynylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
Molecular Formula
C21H32O2
Molecular Weight
316.49
CAS No.
19351-16-7
QL221528
Levonorgestrel EP Impurity S
Molecular Formula: C22H30O2
Molecular Weight: 326.47
CAS No.: 176254-10-7
QL221501
Levonorgestrel EP Impurity A
Molecular Formula: C21H26O2
Molecular Weight: 310.43
CAS No.: 1260525-53-8
QL221508
Levonorgestrel EP Impurity H
Molecular Formula: C21H28O3
Molecular Weight: 328.45
CAS No.: 55555-97-0
QL221511
Levonorgestrel EP Impurity K
Molecular Formula: C19H28O2
Molecular Weight: 288.42
CAS No.: 793-55-5
QL221513
Levonorgestrel EP Impurity M
Molecular Formula: C21H26O2
Molecular Weight: 310.43
CAS No.: 51087-61-7
QL221515
Levonorgestrel EP Impurity O
Molecular Formula: C22H32O3
Molecular Weight: 344.49
CAS No.: 155683-60-6
QL221522
Levonorgestrel EP Impurity V
Molecular Formula: C22H28O2
Molecular Weight: 324.46
CAS No.: 14009-70-2
QL221523
Levonorgestrel EP Impurity W
Molecular Formula: C21H24O2
Molecular Weight: 308.41
CAS No.: 155683-59-3
QL221502
Levonorgestrel EP Impurity B
Molecular Formula: C21H28O2
Molecular Weight: 312.45
CAS No.: 19914-67-1
QL221503
Levonorgestrel EP Impurity C
Molecular Formula: C23H28O
Molecular Weight: 320.47
CAS No.: 1337972-89-0
