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QS1602009
Spectinomycin
Molecular Formula: C14H24N2O7
Molecular Weight: 332.35
CAS No.: 1695-77-8;22189-32-8(2HCl salt 5H2O);23312-56-3(H2SO4 salt);64058-48-6(H2SO4 salt 4H2O)
QS162501
Spiramycin EP Impurity A;Neospiramycin I
Molecular Formula: C36H62N2O11
Molecular Weight: 698.9
CAS No.: 70253-62-2
QS162502
Spiramycin EP Impurity B;Spiramycin IV
Molecular Formula: C43H76N2O14
Molecular Weight: 845.08
CAS No.: 249930-66-3
QS162503
Spiramycin EP Impurity C;17-Methylenespiramycin I
Molecular Formula: C44H74N2O14
Molecular Weight: 855.08
CAS No.: 177584-13-3
QS162504
Spiramycin EP Impurity D;Spiramycin V
Molecular Formula: C42H71NO16
Molecular Weight: 846.02
CAS No.: 87708-39-2
QS162505
Spiramycin EP Impurity E;18-deoxy-18-dihydrospiramycin I or DSPM
Molecular Formula: C43H76N2O13
Molecular Weight: 829.08
CAS No.: 177584-14-4
QS162506
Spiramycin EP Impurity F;Spiramycin Dimer
Molecular Formula: C84H140N4O26
Molecular Weight: 1622.05
CAS No.: NA
QS162507
Spiramycin EP Impurity G;Neospiramycin II
Molecular Formula: C38H64N2O12
Molecular Weight: 740.93
CAS No.: NA
QS162508
Spiramycin EP Impurity H;Neospiramycin III
Molecular Formula: C39H66N2O12
Molecular Weight: 754.96
CAS No.: 4617-99-6
QS180649
Sorafenib tosylate Impurity 49
Molecular Formula: C20H14ClF3N4O3
Molecular Weight: 450.8
CAS No.: 284461-74-1
QS180650
Sorafenib tosylate Impurity B-d3
Molecular Formula: C16H14D3N3O4
Molecular Weight: 318.35
CAS No.: NA
QS180658
Sorafenib tosylate Impurity 58
Molecular Formula: C28H25N7O6
Molecular Weight: 555.55
CAS No.: 2206827-18-9
QS200400
Stachydrine Chloride
Molecular Formula: C7H14ClNO2
Molecular Weight: 179.64
CAS No.: 4136-37-2
QS200501
Sodium Stearyl Fumarate
Molecular Formula: C22H39NaO4
Molecular Weight: 390.53
CAS No.: 4070-80-8
QS201500
Sterigmatocystin
Molecular Formula: C18H12O6
Molecular Weight: 324.29
CAS No.: 10048-13-2
QS201800
Streptomycin sulfate
Molecular Formula: C42H84N14O36S3
Molecular Weight: 1457.38
CAS No.: 3810-74-0;57-92-1(free base)
QS202500
Strychnine heMisulfate salt
Molecular Formula: C21H22N2O2.1/2H2SO4
Molecular Weight: 334.42 49.04
CAS No.: 60-41-3;1421-86-9(HCl salt)
QS210202
Sulbactam EP Impurity B;Benzylpenicillin sodium EP Impurity A;Phenoxymethylpenicillin EP Impurity C;6-Aminopenicillanic acid;Benzylpenicillin potassium EP Impurity A
Molecular Formula: C8H12N2O3S
Molecular Weight: 216.26
CAS No.: 551-16-6
QS211409
Sulfadimethoxypyrimidine-d4
Molecular Formula: C12H10D4N4O4S
Molecular Weight: 314.35
CAS No.: 1392211-88-9
QS211600
Sulfinpyrazone
Molecular Formula: C23H20N2O3S
Molecular Weight: 404.48
CAS No.: 57-96-5
QS211601
Sulfinpyrazone EP Impurity A
Molecular Formula: C23H20N2O4S
Molecular Weight: 420.48
CAS No.: NA
QS211602
Sulfinpyrazone EP Impurity B
Molecular Formula: C23H20N2O2S
Molecular Weight: 388.48
CAS No.: NA
QS211603
Sulfinpyrazone EP Impurity C
Molecular Formula: C23H20N2O4S
Molecular Weight: 420.48
CAS No.: NA
QS212000
4',5,6,7-Tetramethoxyflavone
Molecular Formula: C19H18O6
Molecular Weight: 342.34
CAS No.: 1168-42-9
QS213100
Suplatast Tosylate
Molecular Formula: C23H33NO7S2
Molecular Weight: 499.64
CAS No.: 94055-76-2
QS213101
Suplatast Tosylate Impurity 1
Molecular Formula: C15H14N2O7
Molecular Weight: 334.28
CAS No.: 65911-02-6
QS213102
Suplatast Tosylate Impurity 2
Molecular Formula: C20H24N2O9
Molecular Weight: 436.42
CAS No.: NA
QS213103
Suplatast Tosylate Impurity 3
Molecular Formula: C15H23NO6S
Molecular Weight: 345.41
CAS No.: 103876-36-4
QS213104
Suplatast Tosylate Impurity 4
Molecular Formula: C11H17NO3
Molecular Weight: 211.26
CAS No.: 94056-98-1
