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QL221516
Synonyms: (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-4,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one
Molecular Formula
C21H28O2
Molecular Weight
312.45
CAS No.
100021-05-4
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
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
QL221504
Levonorgestrel EP Impurity D
Molecular Formula: C21H30O
Molecular Weight: 298.46
CAS No.: 32419-58-2
QL221507
Levonorgestrel EP Impurity G
Molecular Formula: C21H28O3
Molecular Weight: 328.45
CAS No.: 87585-03-3
QL221509
Levonorgestrel EP Impurity I
Molecular Formula: C21H28O3
Molecular Weight: 328.45
CAS No.: 20402-62-4;21508-50-9
QL221510
Levonorgestrel EP Impurity J
Molecular Formula: C21H26O3
Molecular Weight: 326.43
CAS No.: 1175109-63-3
QL221512
Levonorgestrel EP Impurity L
Molecular Formula: C19H26O2
Molecular Weight: 286.41
CAS No.: 21800-83-9
