TLC Standards
      
Pharmaceutical Reference Standards
Name Index:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Name of the parent drug:
Azelastine-d4 HCl
CAS No. 1228258-95-4 (free base)
C22H20D4ClN3O. HCl M.W. 385.93 36.46
A-6810
Azelastine-d4 HCl
Azelastine 5-Member-Cyclic-Isomer HCl
CAS No. 117078-70-3
C22H24ClN3O. HCl M.W. 381.91 36.46
A-6811
Azelastine 5-Member-Cyclic-Isomer HCl
Azelastine Impuirty 4 HCl
CAS No. 37933-01-0 (free base)
C22H24ClN3O. HCl M.W. 381.91 36.46
A-6812
Azelastine Impuirty 4 HCl
Azelastine N-Oxide (Mixture of Diastereomers)
CAS No. 640279-88-5
C22H24ClN3O2 M.W. 397.90
A-6813
Azelastine N-Oxide (Mixture of Diastereomers)
(R)-Azelastine N-Oxide (Mixture of Diastereomers)
CAS No. 1346617-18-2
C22H24ClN3O2 M.W. 397.91
A-6814
(R)-Azelastine N-Oxide (Mixture of Diastereomers)
(S)-Azelastine N-Oxide
C22H24ClN3O2 M.W. 397.91
A-6815
(S)-Azelastine N-Oxide
Azelastine EP Impurity C
CAS No. 53242-76-5
C15H11ClO3 M.W. 274.70
A-6816
Azelastine EP Impurity C
Azelastine Impurity 1 HCl
C22H24ClN3O. HCl M.W. 381.91 36.46
A-6817
Azelastine Impurity 1 HCl
Azelastine Impurity 2 HCl
C23H24ClN3O. HCl M.W. 393.92 36.46
A-6818
Azelastine Impurity 2 HCl
Azelastine Impurity 3 HCl
C23H24ClN3O. HCl M.W. 393.92 36.46
A-6819
Azelastine Impurity 3 HCl
(S)-Azelastine HCl
CAS No. 153408-27-6
C22H25Cl2N3O M.W. 418.36
A-682
(S)-Azelastine HCl
Azelastine HCl
CAS No. 79307-93-0
C22H25Cl2N3O M.W. 418.36
A-683
Azelastine HCl
Azelastine-13C-d3
Azelastine-13C-d3 M.W. 385.91
A-684
Azelastine-13C-d3
N-Desmethyl Azelastine
CAS No. 47491-38-3
C21H22ClN3O M.W. 367.88
A-685
N-Desmethyl Azelastine
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 B DiHCl
Azelastine EP Impurity D
CAS No. 53242-89-9
C15H11ClN2O M.W. 270.72
A-687
Azelastine EP Impurity D
Azelastine EP Impurity E (Z-Isomer)
CAS No. 105279-16-1
C15H9ClO2 M.W. 256.69
A-688
Azelastine EP Impurity E (Z-Isomer)
N-Desmethyl Azelastine-d4
CAS No. 47491-38-3 (non-labelled)
C21H18ClN3OD4 M.W. 371.91
A-689
N-Desmethyl Azelastine-d4
Allopurinol
CAS No. 315-30-0
C5H4N4O M.W. 136.11
A-691
Allopurinol
Oxypurinol-13C-15N2
13C C4H4N4O2 M.W. 155.09
A-6910
Oxypurinol-13C-15N2
Allopurinol-13C2-15N
CAS No. 315-30-0 (non-labelled)
13C315N C2H4N3O M.W. 140.08
A-6911
Allopurinol-13C2-15N
Allopurinol Impurity 1
C8H8N6O2 M.W. 220.19
A-6912
Allopurinol Impurity 1
Allopurinol-d2
CAS No. 916979-34-5
C5H2N4OD2 M.W. 138.13
A-692
Allopurinol-d2
4,6-Dihydroxypyrazolo[3,4-d]pyrimidine (Oxypurinol)
CAS No. 2465-59-0
C5H4N4O2 M.W. 152.11
A-693
4,6-Dihydroxypyrazolo[3,4-d]pyrimidine (Oxypurinol)
Allopurinol EP Impurity A
CAS No. 5334-31-6
C4H6N4O M.W. 126.12
A-694
Allopurinol EP Impurity A
Allopurinol Impurity B
CAS No. 22407-20-1
C5H6N4O2 M.W. 154.13
A-695
Allopurinol Impurity B
Allopurinol EP Impurity C
CAS No. 1346604-13-4
C6H6N6O M.W. 178.16
A-696
Allopurinol EP Impurity C
Allopurinol Impurity D
CAS No. 6994-25-8
C6H9N3O2 M.W. 155.16
A-697
Allopurinol Impurity D
Allopurinol Impurity E
CAS No. 31055-19-3
C7H9N3O3 M.W. 183.17
A-698
Allopurinol Impurity E
Allopurinol Impurity F (Mixture of Z and E Isomers)
CAS No. 321571-07-7
C12H14N4O4 M.W. 278.27
A-699
Allopurinol Impurity F (Mixture of Z and E Isomers)
3-Amino-2-oxazolidinone
CAS No. 80-65-9
C3H6N2O2 M.W. 102.09
A-701
3-Amino-2-oxazolidinone
3-Amino-2-oxazolidinone-d4
CAS No. 1188331-23-8
C3H2N2O2D4 M.W. 106.12
A-702
3-Amino-2-oxazolidinone-d4
Aliskiren Hemifumarate
C30H53N3O6. 0.5 C4H4O4 M.W. 551.77 0.5 116.07
A-711
Aliskiren Hemifumarate
Hydroxy Aliskiren Impurity
C30H53N3O7 . 0.5 (C4H4O4) M.W. 567.77 0.5x116.07
A-7110
Hydroxy Aliskiren Impurity
Aliskiren Michael Adduct-1 Impurity
C34H57N3O10 M.W. 667.85
A-7111
Aliskiren Michael Adduct-1 Impurity
Aliskiren Michael Adduct-2 Impurity
C34H57N3O10 M.W. 667.85
A-7112
Aliskiren Michael Adduct-2 Impurity
Aliskiren Impurity 1
C29H51N3O6 M.W. 537.74
A-7113
Aliskiren Impurity 1
Aliskiren-d6 Hemifumarate
C30H47N3O6D6. 0.5 C4H4O4 M.W. 557.81 0.5 116.07
A-712
Aliskiren-d6 Hemifumarate
N-Boc Aliskiren
C35H61N3O8 M.W. 651.89
A-713
N-Boc Aliskiren
Amino Lactone Impurity
C25H41NO5 M.W. 435.61
A-714
Amino Lactone Impurity
Aliskiren Acid Impurity Sodium Salt
CAS No. 173400-13-0 (free acid)
C30H51N2O7. Na M.W. 551.75 22.99
A-715
Aliskiren Acid Impurity Sodium Salt
Aliskiren Hemifumarate (RRRS isomer) Impurity
C30H53N3O6 . 0.5 (C4H4O4) M.W. 551.77 0.5x116.07
A-716
Aliskiren Hemifumarate (RRRS isomer) Impurity
Aliskiren Hemifumarate (SSSRisomer) Impurity
C30H53N3O6 . 0.5 (C4H4O4) M.W. 551.77 0.5x116.07
A-717
Aliskiren Hemifumarate (SSSRisomer) Impurity
Aliskiren Hemifumarate Enantiomer (RRRRisomer) Impurity
C30H53N3O6 . 0.5 (C4H4O4) M.W. 551.77 0.5x116.07
A-718
Aliskiren Hemifumarate Enantiomer (RRRRisomer) Impurity
Desmethoxy Aliskiren Impurity
C29H51N3O5 . 0.5 (C4H4O4) M.W. 521.75 0.5x116.07
A-719
Desmethoxy Aliskiren Impurity
Amorolfine HCl
C21H35NO.HCl M.W. 317.52 36.46
A-731
Amorolfine HCl
Amorolfine Impurity 8
C15H24O M.W. 220.36
A-7310
Amorolfine Impurity 8
trans-Amorolfine HCl (Mixture of Diastereomers)
C21H35NO. HCl M.W. 317.52 36.46
A-7311
trans-Amorolfine HCl (Mixture of Diastereomers)
Amorolfine Impurity 9
CAS No. 922734-43-8
C16H26ClNO M.W. 283.84
A-7312
Amorolfine Impurity 9
Amorolfine EP Impurity D (Fenpropimorph)
CAS No. 67564-91-4
C20H33NO M.W. 303.49
A-7313
Amorolfine EP Impurity D (Fenpropimorph)
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 Impurity 1 (Amorolfine Related Compound Ro 40-1021) (Mixture of Diastereomers)
Amorolfine Impurity 2 (Amorolfine N-Oxide)
CAS No. 78613-39-5
C21H35NO2 M.W. 333.52
A-733
Amorolfine Impurity 2 (Amorolfine N-Oxide)
Amorolfine Impurity 3 HCl
C21H35NO. HCl M.W. 317.52 36.46
A-734
Amorolfine Impurity 3 HCl
rac-Amorolfine Impurity 4 (Mixture of Diastereomers)
C21H35NO2 M.W. 333.52
A-735
rac-Amorolfine Impurity 4 (Mixture of Diastereomers)
Amorolfine Impurity 5
C21H35NO2 M.W. 333.52
A-736
Amorolfine Impurity 5
Amorolfine Impurity 6
C19H31NO M.W. 289.47
A-737
Amorolfine Impurity 6
trans-Amorolfine HCl Impurity 1
C21H35NO . HCl M.W. 317.52 36.46
A-738
trans-Amorolfine HCl Impurity 1
Amorolfine Impurity 7
C21H35NO M.W. 317.52
A-739
Amorolfine Impurity 7
Apigenin-d5
CAS No. 263711-74-6
C15H5O5D5 M.W. 275.27
A-741
Apigenin-d5
Apigenin-7-O-D-Glucoside
CAS No. 578-74-5
C21H20O10 M.W. 432.38
A-742
Apigenin-7-O-D-Glucoside
Cis-Atracurium Besylate
CAS No. 96946-42-8
C53H72N2O12. 2 C6H5O3S M.W. 929.17 2 157.17
A-751
Cis-Atracurium Besylate
Atracurium Impurity C1 (trans-Monoacrylate)
C32H44NO8. C6H5O3S M.W. 570.71 157.17
A-7510
Atracurium Impurity C1 (trans-Monoacrylate)
Atracurium Besilate Impurity C2 Iodide
CAS No. N/A
C32H44NO8. I M.W. 570.71 126.90
A-7511
Atracurium Besilate Impurity C2 Iodide
Atracurium EP Impurity H Iodide (Mixture of Diastereomers)
CAS No. N/A
C54H74N2O12. 2 I M.W. 943.19 2 126.91
A-7512
Atracurium EP Impurity H Iodide (Mixture of Diastereomers)
Atracurium EP Impurity I Iodide (Mixture of Diastereomers)
C54H74N2O12. 2 I M.W. 943.19 2 126.91
A-7513
Atracurium EP Impurity I Iodide (Mixture of Diastereomers)
Atracurium EP Impurity K Iodide (Mixture of Diastereomers)
C54H74N2O12. 2 I M.W. 943.19 2 126.91
A-7514
Atracurium EP Impurity K Iodide (Mixture of Diastereomers)
Atracurium EP Impurity C Iodide (Mixture of Diastereomers)
CAS No. N/A
C32H44NO8. I M.W. 570.70 126.91
A-7515
Atracurium EP Impurity C Iodide (Mixture of Diastereomers)
Atracurium EP Impurity D Iodide (Mixture of Diastereomers)
C29H42NO7. I M.W. 516.65 126.91
A-7516
Atracurium EP Impurity D Iodide (Mixture of Diastereomers)
Atracurium Besilate Impurity C1 and C2 Iodide
C32H44NO8 M.W. 570.71
A-7517
Atracurium Besilate Impurity C1 and C2 Iodide
Atracurium Iodide (Mixture of Diastereomers)
C53H72N2O12. 2I M.W. 929.16 2 126.91
A-7519
Atracurium Iodide (Mixture of Diastereomers)
Atracurium Besylate Impurity D1 Iodide
C29H42NO7. I M.W. 516.66 126.90
A-752
Atracurium Besylate Impurity D1 Iodide
Atracurium Impurity A1 (trans-Monoquatenary) and A2 (cis-Monoquatenary) Mixture
C52H69N2O12. I M.W. 914.13 126.91
A-7520
Atracurium Impurity A1 (trans-Monoquatenary) and  A2 (cis-Monoquatenary) Mixture
Atracurium Besilate Impurity C1 and C2 Iodide (Mixture of Isomers)
2 C32H44NO8. 2 I M.W. 2 570.71 2 126.90
A-7521
Atracurium Besilate Impurity C1 and C2 Iodide (Mixture of Isomers)
Atracurium Impurity V (Mixture of Diastereomers)
CAS No. 1075726-86-1
C25H34NO6. I M.W. 444.55 126.90
A-7522
Atracurium Impurity V (Mixture of Diastereomers)
Atracurium Impurity 1
CAS No. 41431-32-7
C22H30NO4. I M.W. 372.49 126.90
A-7523
Atracurium Impurity 1
Atracurium Impurity 2
C56H76N2O14 . 2 I M.W. 1001.24 2x126.90
A-7524
Atracurium  Impurity 2
Atracurium Impurity 3 (Cisatracurium-20-Methyl Dibenzenesulfonate)
CAS No. N/A
C54H74N2O12 2 C6H5O3S M.W. 943.20 2x157.17
A-7525
Atracurium Impurity 3 (Cisatracurium-20-Methyl Dibenzenesulfonate)
Atracurium Impurity 4
C32H44NO8 . C6H5O3S M.W. 570.71 157.17
A-7526
Atracurium Impurity 4
Atracurium Impurity 5 HCl
CAS No. 2048273-58-9
C22H29NO5. HCl M.W. 387.48 36.46
A-7527
Atracurium Impurity 5 HCl
Atracurium Impurity 7 (R-Tetrahydropapaverine)
CAS No. 54417-53-7
C20H25NO4 M.W. 343.43
A-7529
Atracurium Impurity 7 (R-Tetrahydropapaverine)
Atracurium Impurity E (cis-Quaternary Acid)
CAS No. 1075727-04-6
C24H31NO6 M.W. 429.52
A-753
Atracurium Impurity E (cis-Quaternary Acid)
Atracurium Besylate EP Impurity B
CAS No. 64228-77-9
C51H66N2O12 M.W. 899.09
A-7530
Atracurium Besylate EP Impurity B
Laudanosine
CAS No. 2688-77-9
C21H27NO4 M.W. 357.45
A-7531
Laudanosine
Atracurium Impurity 11 Iodide (Mixture of Diastereomers)
C56H76N2O14. 2 I M.W. 1001.24 2 126.90
A-7535
Atracurium Impurity 11 Iodide (Mixture of Diastereomers)
Atracurium Impurity 12 Iodide (Mixture of Diastereomers)
C54H74N2O12. 2 I M.W. 943.20 2 126.90
A-7536
Atracurium Impurity 12 Iodide (Mixture of Diastereomers)
Cisatracurium Besilate EP Impurity S Iodide
C53H72N2O12. 2 I M.W. 929.17 2 126.91
A-7537
Cisatracurium Besilate EP Impurity S Iodide
Cisatracurium Besilate EP Impurity T Iodide
C53H72N2O12. 2 I M.W. 929.17 2 126.90
A-7538
Cisatracurium Besilate EP Impurity T Iodide
Cisatracurium Besilate EP Impurity U Iodide
C53H72N2O12. 2 I M.W. 929.17 2 126.90
A-7539
Cisatracurium Besilate EP Impurity U Iodide
Atracurium Besylate Impurity D2 Iodide (cis-Quaternary Alcohol)
CAS No. N/A
C29H42NO7. I M.W. 516.66 126.90
A-754
Atracurium Besylate Impurity D2 Iodide (cis-Quaternary Alcohol)
Cisatracurium Besilate EP Impurity V Iodide
C53H72N2O12. 2 I M.W. 929.17 2 126.90
A-7540
Cisatracurium Besilate EP Impurity V Iodide
Cisatracurium Besilate EP Impurity W Iodide (Mixture of Diastereomers)
558.70 126.90 M.W. C31H44NO8. I
A-7541
Cisatracurium Besilate EP Impurity W Iodide (Mixture of Diastereomers)
Cis-Cis-Atracurium-3-oxopropoxy Dibesylate
C56H76N2O14. 2C6H5O3S M.W. 1001.22 2 157.16
A-7542
Cis-Cis-Atracurium-3-oxopropoxy Dibesylate
Atracurium Impurity 8
CAS No. 1100676-20-7
C29H42NO7. C6H5O3S M.W. 516.65 157.16
A-7543
Atracurium Impurity 8
Atracurium Impurity 9
C27H40NO6. I M.W. 474.62 126.91
A-7544
Atracurium Impurity 9
Atracurium Impurity 10 (Mixture of Diastereomers)
C53H72N2O12. 2I M.W. 929.16 2 126.91
A-7545
Atracurium Impurity 10 (Mixture of Diastereomers)
Cisatracurium Besilate EP Impurity K Iodide (Mixture of Diastereomers)
C54H74N2O12. 2 I M.W. 943.20 2 126.90
A-7547
Cisatracurium Besilate EP Impurity K Iodide (Mixture of Diastereomers)
Toluenesulfonic Acid Impurity 1 (Phenyl p-tolyl sulfone)
CAS No. 640-57-3
C13H12O2S M.W. 232.30
A-7548
Toluenesulfonic Acid Impurity 1 (Phenyl p-tolyl sulfone)
Cisatracurium Besilate EP Impurity M Iodide
C54H74N2O12. 2 I M.W. 943.19 2 126.91
A-7549
Cisatracurium Besilate EP Impurity M Iodide
R-Atracurium EP Impurity G (R-Laudanosine)
CAS No. 85-63-2
C21H27NO4 M.W. 357.45
A-755
R-Atracurium EP Impurity G (R-Laudanosine)
Atracurium Impurity 13 (Acrylic Acid)
CAS No. 79-10-7
C3H4O2 M.W. 72.06
A-7550
Atracurium Impurity 13 (Acrylic Acid)
(R-trans, R-trans)-Atracurium Besylate
C53H72N2O12. 2 C6H5O3S M.W. 929.16 2 157.16
A-756
(R-trans, R-trans)-Atracurium Besylate
(R-cis, R-trans)-Atracurium Besylate
C53H72N2O12. 2 C6H5O3S M.W. 929.16 2 157.16
A-757
(R-cis, R-trans)-Atracurium Besylate
Atracurium Impurity A1 (trans-Monoquatenary)
C52H69N2O12. C6H5O3S M.W. 914.13 157.16
A-758
Atracurium Impurity A1 (trans-Monoquatenary)
Atracurium Impurity A2 (cis-Monoquatenary)
C52H69N2O12. C6H5O3S M.W. 914.13 157.16
A-759
Atracurium Impurity A2 (cis-Monoquatenary)
Aspartame EP Impurity B
CAS No. 13433-09-5
C13H16N2O5 M.W. 280.28
A-761
Aspartame EP Impurity B
rac-Aspartame EP Impurity C (DL-Phenylalanine)
CAS No. 150-30-1
C9H11NO2 M.W. 165.19
A-762
rac-Aspartame EP Impurity C (DL-Phenylalanine)
Aspartame-d5
CAS No. N/A
C14H13N2O5D5 M.W. 299.34
A-763
Aspartame-d5
Aspartame Impurity A
CAS No. 5262-10-2
C13H14N2O4 M.W. 262.27
A-764
Aspartame Impurity A
Aspartame
CAS No. 22839-47-0
C14H18N2O5 M.W. 294.31
A-765
Aspartame
Atazanavir
CAS No. 198904-31-3
C38H52N6O7 M.W. 704.87
A-771
Atazanavir
Dealkyl Atazanavir
CAS No. 1192224-24-0
C26H43N5O7 M.W. 537.66
A-7710
Dealkyl Atazanavir
Atazanavir R,S,S,S-diastereomer
CAS No. 1332981-14-2
C38H52N6O7 M.W. 704.87
A-7711
Atazanavir R,S,S,S-diastereomer
Atazanavir S,S,S,R-Diastereomer
CAS No. 1332981-16-4
C38H52N6O7 M.W. 704.87
A-7712
Atazanavir S,S,S,R-Diastereomer
Atazanavir S,R,R,S-Diastereomer
C38H52N6O7 M.W. 704.87
A-7713
Atazanavir S,R,R,S-Diastereomer
Atazanavir benzylidenehydrazine carbamate
C42H46N6O4 M.W. 698.87
A-7714
Atazanavir benzylidenehydrazine carbamate
Atazanavir related compound A
CAS No. 162537-11-3
C8H15NO4 M.W. 189.21
A-7715
Atazanavir related compound A
Atazanavir Di-tert-butyl Analog
CAS No. 198904-86-8
C32H42N4O5 M.W. 562.72
A-7716
Atazanavir Di-tert-butyl Analog
Atazanavir R,S,S,R-Diastereomer
CAS No. 1292296-11-7
C38H52N6O7 M.W. 704.87
A-7717
Atazanavir R,S,S,R-Diastereomer
Atazanavir S,S,R,S-Diastereomer
CAS No. 1292296-10-6
C38H52N6O7 M.W. 704.87
A-7718
Atazanavir S,S,R,S-Diastereomer
Atazanavir Benzylidenehydrazine Analogue
C34H33N5O M.W. 527.67
A-7719
Atazanavir Benzylidenehydrazine Analogue
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