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1-Amino Adamantane HCl (Amantadine HCl) CAS No. 665-66-7 C10H17N. HCl M.W. 151.25 36.46 A-611
 | Amantadine-d6 (1-Amino Adamantane-d6) CAS No. 1219805-53-4 C10H11D6N M.W. 157.29 A-612
 | Amantadine (1-Adamantanamine) CAS No. 768-94-5 C10H17N M.W. 151.25 A-613
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Amantadine HCl C10H17N. HCl M.W. 187.71 A-621
 | Sodium Alginate CAS No. 9005-38-3 [C12H14O12 . 2 Na]n M.W. [350.24 2 22.99]n A-631
 | Alosetrone-d3 C17H15N4OD3 M.W. 297.38 A-651
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4-Hydroxy Alosetron C17H18N4O2 M.W. 310.36 A-6510
 | Alosetron Impurity 1 CAS No. 1011293-30-3 C17H16N4O2 M.W. 308.34 A-6511
 | Alosetron HCl CAS No. 122852-69-1 C17H18N4O. HCl M.W. 294.36 36.46 A-652
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Alosetron-13C-d3 CAS No. NA C17H15N4OD3 M.W. 298.37 A-653
 | 7-Hydroxy Alosetron HCl CAS No. 863485-44-3 (free base) C17H18N4O2. HCl M.W. 310.36 36.46 A-654
 | 6-Hydroxy Alosetron HCl CAS No. 128486-89-5 (free base) C17H18N4O2. HCl M.W. 310.36 36.46 A-655
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Alosetron N-Glucuronide C23H26N4O7 M.W. 470.49 A-656
 | N-Desmethyl Alosetron CAS No. 122852-63-5 C16H16N4O M.W. 280.33 A-657
 | Hydroxymethyl Alosetron CAS No. 863485-46-5 C17H18N4O2 M.W. 310.36 A-658
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3,4-Didehydro Alosetron CAS No. 122852-86-2 C17H16N4O M.W. 292.34 A-659
 | Ampicillin-d5 CAS No. 1426173-65-0 C16H14D5N3O4S M.W. 354.44 A-661
 | Ampicillin EP Impurity J CAS No. 6489-58-3 C13H20N2O4S M.W. 300.37 A-6610
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Ampicillin EP Impurity K CAS No. 40610-41-1 C13H17NO3 M.W. 235.28 A-6611
 | Ampicillin Impurity M CAS No. 62326-82-3 C32H38N6O8S2 M.W. 698.82 A-6612
 | Ampicillin Impurity 9 C11H10N2O3 M.W. 218.21 A-6613
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Ampicillin Impurity 1 C32H40N6O9S2 M.W. 716.84 A-6614
 | Ampicillin Impurity 2 C48H57N9O12S3 M.W. 1048.23 A-6615
 | Ampicillin EP Impurity N C16H19N3O4S M.W. 349.41 A-6616
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Ampicillin EP Impurity L (Cephalexin EP Impurity A) CAS No. 875-74-1 C8H9NO2 M.W. 151.17 A-6617
 | Ampicillin Impurity 3 C33H39N5O8S2 M.W. 697.82 A-6618
 | Ampicillin Impurity 4 C50H62N8O11S2 M.W. 1015.21 A-6619
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Ampicillin EP Impurity B (L-Ampicillin) CAS No. 19379-33-0 C16H19N3O4S M.W. 349.41 A-662
 | Ampicillin Impurity 5 C17H21N3O6S M.W. 395.43 A-6620
 | Ampicillin Impurity 6 C24H31N5O7S2 M.W. 565.66 A-6621
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Ampicillin Impurity 7 C31H40N6O7S2 M.W. 672.82 A-6622
 | Ampicillin Impurity 8 C25H31N5O6S M.W. 529.61 A-6623
 | Ampicillin Sodium Salt CAS No. 69-52-3 C16H19N3O4S. Na M.W. 348.40 22.99 A-6624
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Ampicillin EP Impurity C (Ampicillin Diketopiperazine) C16H19N3O4S M.W. 349.41 A-663
 | Ampicillin EP Impurity D Disodium Salt (Mixture of Diastereomers) CAS No. 1642629-93-3 (free acid) C16H19N3O5S. 2 Na M.W. 365.41 2 22.99 A-664
 | Ampicillin EP Impurity E CAS No. 1207726-28-0 C24H26N4O5S M.W. 482.56 A-665
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Ampicillin EP Impurity F Sodium Salt (Mixture of Diastereomers) C15H20N3O3S. Na M.W. 322.40 22.99 A-666
 | Ampicillin EP Impurity G CAS No. 31485-02-6 C16H14N2O2 M.W. 266.30 A-667
 | Ampicillin EP Impurity H (Cefaclor EP Impurity F) CAS No. 73200-73-4 C10H18N2O M.W. 172.19 A-668
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Ampicillin EP Impurity I CAS No. 10001-82-8 C24H26N4O5S M.W. 482.56 A-669
 | Alizapride-d3 C16H18D3N5O2 M.W. 318.38 A-671
 | Alizapride HCl CAS No. 59338-87-3 C16H21N5O2. HCl M.W. 315.38 36.46 A-672
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(R)-Azelastine HCl CAS No. 153408-28-7 C22H24ClN3O. HCl M.W. 381.91 36.46 A-681
 | Azelastine-d4 HCl CAS No. 1228258-95-4 (free base) C22H20D4ClN3O. HCl M.W. 385.93 36.46 A-6810
 | Azelastine 5-Member-Cyclic-Isomer HCl CAS No. 117078-70-3 C22H24ClN3O. HCl M.W. 381.91 36.46 A-6811
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Azelastine Impuirty 4 HCl CAS No. 37933-01-0 (free base) C22H24ClN3O. HCl M.W. 381.91 36.46 A-6812
 | Azelastine N-Oxide (Mixture of Diastereomers) CAS No. 640279-88-5 C22H24ClN3O2 M.W. 397.90 A-6813
 | (R)-Azelastine N-Oxide (Mixture of Diastereomers) CAS No. 1346617-18-2 C22H24ClN3O2 M.W. 397.90 A-6814
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(S)-Azelastine N-Oxide (Mixture of Diastereomers) CAS No. 1346617-06-8 C22H24ClN3O2 M.W. 397.90 A-6815
 | Azelastine EP Impurity C CAS No. 53242-76-5 C15H11ClO3 M.W. 274.70 A-6816
 | Azelastine Impurity 1 HCl C22H24ClN3O. HCl M.W. 381.91 36.46 A-6817
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Azelastine Impurity 2 HCl C23H24ClN3O. HCl M.W. 393.92 36.46 A-6818
 | Azelastine Impurity 3 HCl C23H24ClN3O. HCl M.W. 393.92 36.46 A-6819
 | (S)-Azelastine HCl CAS No. 153408-27-6 C22H25Cl2N3O M.W. 418.36 A-682
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Azelastine EP Impurity A CAS No. 613-94-5 C7H8N2O M.W. 136.15 A-6820
 | Azelastine HCl CAS No. 79307-93-0 C22H25Cl2N3O M.W. 381.90 36.46 A-683
 | Azelastine-13C-d3 Azelastine-13C-d3 M.W. 385.91 A-684
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N-Desmethyl Azelastine CAS No. 47491-38-3 C21H22ClN3O M.W. 367.88 A-685
 | Azelastine EP Impurity B DiHCl CAS No. 110406-94-5 (free base) C14H21N3O. 2 HCl M.W. 247.34 2 36.46 A-686
 | Azelastine EP Impurity D CAS No. 53242-89-9 C15H11ClN2O M.W. 270.72 A-687
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Azelastine EP Impurity E (Z-Isomer) CAS No. 105279-16-1 C15H9ClO2 M.W. 256.69 A-688
 | N-Desmethyl Azelastine-d4 CAS No. 47491-38-3 (non-labelled) C21H18ClN3OD4 M.W. 371.91 A-689
 | Allopurinol CAS No. 315-30-0 C5H4N4O M.W. 136.11 A-691
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Oxypurinol-13C-15N2 13C C4H4N4O2 M.W. 155.09 A-6910
 | Allopurinol-13C2-15N CAS No. 315-30-0 (non-labelled) 13C315N C2H4N3O M.W. 140.08 A-6911
 | Allopurinol Impurity 1 C8H8N6O2 M.W. 220.19 A-6912
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Allopurinol-d2 CAS No. 916979-34-5 C5H2N4OD2 M.W. 138.13 A-692
 | Allopurinol Impurity 2 (Oxypurinol) CAS No. 2465-59-0 C5H4N4O2 M.W. 152.11 A-693
 | Allopurinol EP Impurity A CAS No. 5334-31-6 C4H6N4O M.W. 126.12 A-694
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Allopurinol Impurity B CAS No. 22407-20-1 C5H6N4O2 M.W. 154.13 A-695
 | Allopurinol EP Impurity C CAS No. 1346604-13-4 C6H6N6O M.W. 178.16 A-696
 | Allopurinol Impurity D CAS No. 6994-25-8 C6H9N3O2 M.W. 155.16 A-697
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Allopurinol Impurity E CAS No. 31055-19-3 C7H9N3O3 M.W. 183.17 A-698
 | Allopurinol Impurity F (Mixture of Z and E Isomers) CAS No. 321571-07-7 C12H14N4O4 M.W. 278.27 A-699
 | 3-Amino-2-oxazolidinone CAS No. 80-65-9 C3H6N2O2 M.W. 102.09 A-701
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3-Amino-2-oxazolidinone-d4 CAS No. 1188331-23-8 C3H2N2O2D4 M.W. 106.12 A-702
 | Aliskiren Hemifumarate C30H53N3O6. 0.5 C4H4O4 M.W. 551.77 0.5 116.07 A-711
 | Hydroxy Aliskiren Impurity C30H53N3O7. 0.5 C4H4O4 M.W. 567.77 0.5 116.07 A-7110
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Aliskiren Michael Adduct-1 Impurity C34H57N3O10 M.W. 667.85 A-7111
 | Aliskiren Michael Adduct-2 Impurity C34H57N3O10 M.W. 667.85 A-7112
 | Aliskiren Impurity 1 C29H51N3O6 M.W. 537.74 A-7113
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Aliskiren Hemifumarate (RSSS isomer) Impurity C30H53N3O6. 0.5 C4H4O4 M.W. 551.77 0.5 116.07 A-7114
 | Aliskiren-d6 Hemifumarate C30H47N3O6D6. 0.5 C4H4O4 M.W. 557.81 0.5 116.07 A-712
 | N-Boc Aliskiren C35H61N3O8 M.W. 651.89 A-713
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Amino Lactone Impurity C25H41NO5 M.W. 435.61 A-714
 | Aliskiren Acid Impurity Sodium Salt CAS No. 173400-13-0 (free acid) C30H51N2O7. Na M.W. 551.75 22.99 A-715
 | Aliskiren Hemifumarate (RRRS isomer) Impurity C30H53N3O6. 0.5 C4H4O4 M.W. 551.77 0.5 116.07 A-716
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Aliskiren Hemifumarate (SSSR isomer) Impurity C30H53N3O6. 0.5 C4H4O4 M.W. 551.77 0.5 116.07 A-717
 | Aliskiren Hemifumarate Enantiomer (RRRR isomer) Impurity C30H53N3O6. 0.5 C4H4O4 M.W. 551.77 0.5 116.07 A-718
 | Desmethoxy Aliskiren Impurity C29H51N3O5. 0.5 C4H4O4 M.W. 521.75 0.5 116.07 A-719
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Amorolfine HCl CAS No. 78613-38-4 C21H35NO. HCl M.W. 317.52 36.46 A-731
 | Amorolfine Impurity 8 C15H24O M.W. 220.36 A-7310
 | trans-Amorolfine HCl (Mixture of Diastereomers) C21H35NO. HCl M.W. 317.52 36.46 A-7311
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Amorolfine Impurity 9 CAS No. 922734-43-8 C16H26ClNO M.W. 283.84 A-7312
 | Amorolfine EP Impurity D (Fenpropimorph) CAS No. 67564-91-4 C20H33NO M.W. 303.49 A-7313
 | Amorolfine Impurity 10 C20H33NO2 M.W. 319.49 A-7314
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Amorolfine EP Impurity K C22H37NO M.W. 331.54 A-7315
 | Amorolfine EP Impurity L C26H45NO M.W. 387.65 A-7316
 | Amorolfine Impurity 11 C11H15I M.W. 274.15 A-7317
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Amorolfine Impurity 1 (Amorolfine Related Compound Ro 40-1021) (Mixture of Diastereomers) CAS No. 142347-84-0 C21H33NO3 M.W. 347.50 A-732
 | Amorolfine EP Impurity A (Amorolfine N-Oxide) CAS No. 78613-39-5 C21H35NO2 M.W. 333.52 A-733
 | Amorolfine Impurity 3 HCl C21H35NO. HCl M.W. 317.52 36.46 A-734
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rac-Amorolfine Impurity 4 (Mixture of Diastereomers) C21H35NO2 M.W. 333.52 A-735
 | Amorolfine Impurity 5 C21H35NO2 M.W. 333.52 A-736
 | Amorolfine Impurity 6 C19H31NO M.W. 289.47 A-737
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trans-Amorolfine HCl Impurity 1 C21H35NO . HCl M.W. 317.52 36.46 A-738
 | Amorolfine Impurity 7 C21H35NO M.W. 317.52 A-739
 | Apigenin-d5 CAS No. 263711-74-6 C15H5O5D5 M.W. 275.27 A-741
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Apigenin-7-O-D-Glucoside CAS No. 578-74-5 C21H20O10 M.W. 432.38 A-742
 | Apigenin 7-O-Glucuronide CAS No. 29741-09-1 C21H18O11 M.W. 446.36 A-743
 | Cis-Atracurium Besylate CAS No. 96946-42-8 C53H72N2O12. 2 C6H5O3S M.W. 929.17 2 157.17 A-751
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Atracurium Impurity C1 (trans-Monoacrylate) C32H44NO8. C6H5O3S M.W. 570.71 157.17 A-7510
 | Atracurium Besilate Impurity C2 Iodide CAS No. N/A C32H44NO8. I M.W. 570.71 126.90 A-7511
 | Atracurium EP Impurity H Iodide (Mixture of Diastereomers) CAS No. N/A C54H74N2O12. 2 I M.W. 943.19 2 126.91 A-7512
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Atracurium EP Impurity I Iodide (Mixture of Diastereomers) C54H74N2O12. 2 I M.W. 943.19 2 126.91 A-7513
 | Atracurium EP Impurity K Iodide (Mixture of Diastereomers) C54H74N2O12. 2 I M.W. 943.19 2 126.91 A-7514
 | Atracurium EP Impurity C Iodide (Mixture of Diastereomers) CAS No. N/A C32H44NO8. I M.W. 570.70 126.91 A-7515
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Atracurium EP Impurity D Iodide (Mixture of Diastereomers) C29H42NO7. I M.W. 516.65 126.91 A-7516
 | Atracurium Besilate Impurity C1 and C2 Iodide C32H44NO8 M.W. 570.71 A-7517
 | Atracurium Iodide (Mixture of Diastereomers) C53H72N2O12. 2I M.W. 929.16 2 126.91 A-7519
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