Atazanavir

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Pharmaceutical Reference Standards

Atazanavir

CAT. No.	CP-A28000
CAS. No.	198904-31-3
Mol. F.	C38H52N6O7
Mol. Wt.	704.87
Stock Status:	Custom Synthesis

Rel. Cas No: 198904-39-1 (HCl salt) ; 1643869-94-6 (HBr salt) ; 229975-97-7 (Sulfate salt)

Atazanavir EP Impurity A

CAT. No.	CP-A28001
CAS. No.	4385-62-0
Mol. F.	C12H9NO2
Mol. Wt.	199.21
Stock Status:	In Stock

Rel. Cas No: 222986-74-5 (HCl salt)

Atazanavir EP Impurity B

CAT. No.	CP-A28002
CAS. No.	127406-56-8
Mol. F.	C12H9NO
Mol. Wt.	183.21
Stock Status:	In Stock

Rel. Cas No: 2549012-96-4 (HCl salt)

Atazanavir EP Impurity C

CAT. No.	CP-A28003
CAS. No.	1192224-24-0
Mol. F.	C26H43N5O7
Mol. Wt.	537.65
Stock Status:	In Stock

Atazanavir EP Impurity D

CAT. No.	CP-A28004
CAS. No.	NA
Mol. F.	C34H33N5O
Mol. Wt.	527.67
Stock Status:	Custom Synthesis

Atazanavir EP Impurity E

CAT. No.	CP-A28005
CAS. No.	1292296-09-3
Mol. F.	C38H52N6O7
Mol. Wt.	704.86
Stock Status:	In Stock

Atazanavir EP Impurity F

CAT. No.	CP-A28006
CAS. No.	1332981-14-2
Mol. F.	C38H52N6O7
Mol. Wt.	704.86
Stock Status:	Custom Synthesis

Atazanavir EP Impurity G

CAT. No.	CP-A28007
CAS. No.	1332981-16-4
Mol. F.	C38H52N6O7
Mol. Wt.	704.86
Stock Status:	Custom Synthesis

Atazanavir EP Impurity K

CAT. No.	CP-A28011
CAS. No.	162537-11-3
Mol. F.	C8H15NO4
Mol. Wt.	189.21
Stock Status:	In Stock

Atazanavir R,S,S,R-Diastereomer

CAT. No.	CP-A28014
CAS. No.	1292296-11-7
Mol. F.	C38H52N6O7
Mol. Wt.	704.86
Stock Status:	In Stock

Atazanavir Impurity B

CAT. No.	CP-A28015
CAS. No.	198904-85-7
Mol. F.	C17H21N3O2
Mol. Wt.	299.37
Stock Status:	In Stock

Atazanavir (3R,8R,9S,12R)-Isomer

CAT. No.	CP-A28016
CAS. No.	1292296-10-6
Mol. F.	C38H52N6O7
Mol. Wt.	704.86
Stock Status:	Custom Synthesis

Atazanavir Hydrazine Analog

CAT. No.	CP-A28017
CAS. No.	198904-87-9
Mol. F.	C22H26N4O
Mol. Wt.	471.85
Stock Status:	Custom Synthesis

Atazanavir Impurity C

CAT. No.	CP-A28019
CAS. No.	98760-08-8
Mol. F.	C15H21NO3
Mol. Wt.	263.33
Stock Status:	In Stock

Atazanavir EP Impurity J

CAT. No.	CP-A28020
CAS. No.	198904-86-8
Mol. F.	C32H42N4O5
Mol. Wt.	562.71
Stock Status:	In Stock

Atazanavir Benzylidenehydrazine Analogue (RS)

CAT. No.	CP-A28025
CAS. No.	NA
Mol. F.	C34H33N5O
Mol. Wt.	527.66
Stock Status:	Custom Synthesis

Atazanavir Impurity 4

CAT. No.	CP-A28026
CAS. No.	NA
Mol. F.	C42H46N6O4
Mol. Wt.	698.87
Stock Status:	Custom Synthesis

Atazanavir Impurity 5

CAT. No.	CP-A28027
CAS. No.	NA
Mol. F.	C22H26N4O
Mol. Wt.	362.46
Stock Status:	Custom Synthesis

N-Nitroso Atazanavir EP Impurity C

CAT. No.	CP-A28028
CAS. No.	NA
Mol. F.	C26H42N6O8
Mol. Wt.	566.66
Stock Status:	Custom Synthesis

N-Nitroso Atazanavir Impurity 1

CAT. No.	CP-A28029
CAS. No.	NA
Mol. F.	C8H13N3OS
Mol. Wt.	199.27
Stock Status:	In stock

Atazanavir (RS8 + RS9) Mixture

CAT. No.	CP-A28030
CAS. No.	NA
Mol. F.	C37H48N6O6
Mol. Wt.	672.83
Stock Status:	Custom Synthesis

Atazanavir benzylidenehydrazine carbamate (RSS)

CAT. No.	CP-A28034
CAS. No.	NA
Mol. F.	C42H46N6O4
Mol. Wt.	698.87
Stock Status:	Custom Synthesis

Atazanavir R,R,S,R-Diastereomer

CAT. No.	CP-A28035
CAS. No.	NA
Mol. F.	C38H52N6O7
Mol. Wt.	704.87
Stock Status:	Custom Synthesis

Atazanavir Impurity 17 (RSSSS)

CAT. No.	CP-A28036
CAS. No.	NA
Mol. F.	C60H74N10O9
Mol. Wt.	1079.31
Stock Status:	Custom Synthesis

Atazanavir R,S,R,R-Diastereomer

CAT. No.	CP-A28037
CAS. No.	NA
Mol. F.	C38H52N6O7
Mol. Wt.	704.87
Stock Status:	Custom Synthesis

Atazanavir Impurity 18 (SRS)

CAT. No.	CP-A28038
CAS. No.	1003889-62-0
Mol. F.	C30H39N5O4
Mol. Wt.	533.67
Stock Status:	Custom Synthesis

Atazanavir KSM-2 R,R Isomer

CAT. No.	CP-A28039
CAS. No.	98818-34-9
Mol. F.	C15H21NO3
Mol. Wt.	263.34
Stock Status:	Custom Synthesis

Atazanavir R,R,S,S-Diastereomer

CAT. No.	CP-A28040
CAS. No.	NA
Mol. F.	C38H52N6O7
Mol. Wt.	704.87
Stock Status:	Custom Synthesis

Atazanavir S,R,S,R-Diastereomer

CAT. No.	CP-A28041
CAS. No.	NA
Mol. F.	C38H52N6O7
Mol. Wt.	704.87
Stock Status:	Custom Synthesis

Atazanavir sulfate

CAT. No.	CP-A28042
CAS. No.	229975-97-7
Mol. F.	C38H52N6O7 : H2SO4
Mol. Wt.	704.87 : 98.07
Stock Status:	In Stock

Rel. Cas No: 198904-39-1 (HCl salt) ; 1643869-94-6 (HBr salt) ; 198904-31-3 (free base)

Atazanavir Hydrazine Analog

CAT. No.	CP-A28043
CAS. No.	437713-06-9
Mol. F.	C22H26N4O
Mol. Wt.	362.48
Stock Status:	Custom Synthesis

Rel. Cas No: 198904-87-9 (3HCl salt)

Atazanavir Impurity 14

CAT. No.	CP-A28044
CAS. No.	2307784-33-2
Mol. F.	C12H19N3
Mol. Wt.	205.31
Stock Status:	Custom Synthesis

Atazanavir Impurity 2

CAT. No.	CP-A28045
CAS. No.	198904-33-5
Mol. F.	C37H50N6O7
Mol. Wt.	690.84
Stock Status:	Custom Synthesis

Atazanavir Impurity 6

CAT. No.	CP-A28046
CAS. No.	1006868-81-0
Mol. F.	C32H42N4O5
Mol. Wt.	562.71
Stock Status:	Custom Synthesis

Atazanavir Impurity 7

CAT. No.	CP-A28047
CAS. No.	1192224-26-2
Mol. F.	C36H50N6O5
Mol. Wt.	646.83
Stock Status:	Custom Synthesis

Rel. Cas No: 1233885-61-4 (HCl salt)

Atazanavir Impurity 8

CAT. No.	CP-A28048
CAS. No.	1028634-76-5
Mol. F.	C36H50N6O5
Mol. Wt.	646.83
Stock Status:	Custom Synthesis

rac-Atazanavir Impurity 9

CAT. No.	CP-A28049
CAS. No.	2666351-84-2
Mol. F.	C32H42N4O5
Mol. Wt.	562.71
Stock Status:	Custom Synthesis

Atazanavir Impurity 11

CAT. No.	CP-A28050
CAS. No.	2307732-33-6
Mol. F.	C17H27N3O2
Mol. Wt.	305.42
Stock Status:	Custom Synthesis

Atazanavir Impurity 12

CAT. No.	CP-A28051
CAS. No.	198904-84-6
Mol. F.	C17H19N3O2
Mol. Wt.	297.36
Stock Status:	Custom Synthesis

Atazanavir Impurity 13

CAT. No.	CP-A28052
CAS. No.	257907-05-4
Mol. F.	C12H11N3
Mol. Wt.	197.24
Stock Status:	Custom Synthesis

Atazanavir RS8 Impurity

CAT. No.	CP-A28053
CAS. No.	1292296-12-8
Mol. F.	C37H48N6O6
Mol. Wt.	672.83
Stock Status:	Custom Synthesis

Atazanavir RS3 Impurity

CAT. No.	CP-A28054
CAS. No.	765254-57-7
Mol. F.	C30H39N5O4
Mol. Wt.	533.67
Stock Status:	Custom Synthesis

Rel. Cas No: 213276-05-2 (HCl salt)

Atazanavir RS9 Impurity

CAT. No.	CP-A28055
CAS. No.	1292296-13-9
Mol. F.	C37H48N6O6
Mol. Wt.	672.83
Stock Status:	Custom Synthesis

Rel. Cas No: Atazanavir Hydrazine Analog (RS)

Atazanavir Impurity 15

CAT. No.	CP-A28056
CAS. No.	857900-54-0
Mol. F.	C30H39N5O4
Mol. Wt.	533.67
Stock Status:	Custom Synthesis

Rel. Cas No: 1233885-59-0 (HCl salt)

Atazanavir Impurity 16

CAT. No.	CP-A28057
CAS. No.	2131010-71-2
Mol. F.	C46H65N7O10
Mol. Wt.	876.07
Stock Status:	Custom Synthesis

Atazanavir Diol Impurity

CAT. No.	CP-A28058
CAS. No.	73488-74-1
Mol. F.	C15H23NO4
Mol. Wt.	281.35
Stock Status:	Custom Synthesis

Atazanavir Impurity 24

CAT. No.	CP-A28059
CAS. No.	1185167-55-8
Mol. F.	C8H14N2S : 2(HCl)
Mol. Wt.	170.3 : 2(36.46)
Stock Status:	Custom Synthesis

Rel. Cas No: 154212-60-9 (free base)

Atazanavir Impurity 28

CAT. No.	CP-A28061
CAS. No.	107202-43-7
Mol. F.	C15H21NO2
Mol. Wt.	247.34
Stock Status:	Custom Synthesis

Atazanavir Impurity 29

CAT. No.	CP-A28062
CAS. No.	156474-22-5
Mol. F.	C15H21NO3
Mol. Wt.	263.34
Stock Status:	Custom Synthesis

Atazanavir Impurity 35

CAT. No.	CP-A28063
CAS. No.	857904-20-2
Mol. F.	C27H34N4O3
Mol. Wt.	462.59
Stock Status:	Custom Synthesis

Atazanavir Impurity 36

CAT. No.	CP-A28064
CAS. No.	156990-58-8
Mol. F.	C9H17NO4
Mol. Wt.	203.24
Stock Status:	Custom Synthesis

Atazanavir Impurity 37

CAT. No.	CP-A28065
CAS. No.	869285-68-7
Mol. F.	C14H18N4O4
Mol. Wt.	306.32
Stock Status:	Custom Synthesis

Atazanavir Impurity 38

CAT. No.	CP-A28066
CAS. No.	162536-40-5
Mol. F.	C15H22ClNO3
Mol. Wt.	299.8
Stock Status:	Custom Synthesis

Atazanavir Impurity 39

CAT. No.	CP-A28067
CAS. No.	1191091-65-2
Mol. F.	C8H15NO4
Mol. Wt.	189.21
Stock Status:	Custom Synthesis

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

Atazanavir

Pharmaceutical Reference Standards

Atazanavir

Atazanavir EP Impurity A

Atazanavir EP Impurity B

Atazanavir EP Impurity C

Atazanavir EP Impurity D

Atazanavir EP Impurity E

Atazanavir EP Impurity F

Atazanavir EP Impurity G

Atazanavir EP Impurity K

Atazanavir R,S,S,R-Diastereomer

Atazanavir Impurity B

Atazanavir (3R,8R,9S,12R)-Isomer

Atazanavir Hydrazine Analog

Atazanavir Impurity C

Atazanavir EP Impurity J

Atazanavir Benzylidenehydrazine Analogue (RS)

Atazanavir Impurity 4

Atazanavir Impurity 5

N-Nitroso Atazanavir EP Impurity C

N-Nitroso Atazanavir Impurity 1

Atazanavir (RS8 + RS9) Mixture

Atazanavir benzylidenehydrazine carbamate (RSS)

Atazanavir R,R,S,R-Diastereomer

Atazanavir Impurity 17 (RSSSS)

Atazanavir R,S,R,R-Diastereomer

Atazanavir Impurity 18 (SRS)

Atazanavir KSM-2 R,R Isomer

Atazanavir R,R,S,S-Diastereomer

Atazanavir S,R,S,R-Diastereomer

Atazanavir sulfate

Atazanavir Hydrazine Analog

Atazanavir Impurity 14

Atazanavir Impurity 2

Atazanavir Impurity 6

Atazanavir Impurity 7

Atazanavir Impurity 8

rac-Atazanavir Impurity 9

Atazanavir Impurity 11

Atazanavir Impurity 12

Atazanavir Impurity 13

Atazanavir RS8 Impurity

Atazanavir RS3 Impurity

Atazanavir RS9 Impurity

Atazanavir Impurity 15

Atazanavir Impurity 16

Atazanavir Diol Impurity

Atazanavir Impurity 24

Atazanavir Impurity 28

Atazanavir Impurity 29

Atazanavir Impurity 35

Atazanavir Impurity 36

Atazanavir Impurity 37

Atazanavir Impurity 38

Atazanavir Impurity 39