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Atazanavir EP Impurity K

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Chemical Name: (2S)-2-(methoxyformamido)-3,3-dimethylbutanoic acid (as per EP) (S)-2-[(Methoxycarbonyl)amino]-3,3-dimethylbutanoic acid (as per USP)
CAT No: VS-A092012
CAS No: 162537-11-3
Mol.F. C8H15NO4 
Mol.Wt.:  189.2
Status: Custom Synthesis


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Atazanavir

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CAT No: VS-A092000
CAS No: 198904-31-3
Mol.F.: C38H52N6O7
Mol.Wt.: 704.9
Status: Custom Synthesis

Atazanavir Hydrazine Analog

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CAT No: VS-A092001
CAS No: 437713-06-9
Mol.F.: C22H26N4O
Mol.Wt.: 362.5
Status: Custom Synthesis

Atazanavir EP Impurity A

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CAT No: VS-A092002
CAS No: 4385-62-0
Mol.F.: C12H9NO2
Mol.Wt.: 199.2
Status: Custom Synthesis

Atazanavir EP Impurity B

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CAT No: VS-A092003
CAS No: 127406-56-8
Mol.F.: C12H9NO
Mol.Wt.: 183.2
Status: Custom Synthesis

Atazanavir EP Impurity C

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CAT No: VS-A092004
CAS No: 1192224-24-0
Mol.F.: C26H43N5O7 
Mol.Wt.: 537.7
Status: Custom Synthesis

Atazanavir EP Impurity D

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CAT No: VS-A092005
CAS No: N/A
Mol.F.: C34H33N5O 
Mol.Wt.: 527.7
Status: Custom Synthesis

Atazanavir EP Impurity E

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CAT No: VS-A092006
CAS No: 1292296-09-3
Mol.F.: C38H52N6O7
Mol.Wt.: 704.9
Status: Custom Synthesis

Atazanavir EP Impurity F

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CAT No: VS-A092007
CAS No: 1332981-14-2
Mol.F.: C38H52N6O7 
Mol.Wt.:  704.9
Status: Custom Synthesis

Atazanavir EP Impurity G

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CAT No: VS-A092008
CAS No: 1332981-16-4
Mol.F.: C38H52N6O7 
Mol.Wt.:  704.9
Status: Custom Synthesis

Atazanavir EP Impurity H

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CAT No: VS-A092009
CAS No: N/A
Mol.F.: C38H52N6O7
Mol.Wt.:  704.9
Status: Custom Synthesis

Atazanavir EP Impurity I

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CAT No: VS-A092010
CAS No: N/A
Mol.F.: C42H46N6O4 
Mol.Wt.: 698.9
Status: Custom Synthesis

Atazanavir EP Impurity J

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CAT No: VS-A092011
CAS No: 198904-86-8
Mol.F.: C32H42N4O5 
Mol.Wt.:  562.7
Status: Custom Synthesis

Atazanavir EP Impurity K

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CAT No: VS-A092012
CAS No: 162537-11-3
Mol.F.: C8H15NO4 
Mol.Wt.:  189.2
Status: Custom Synthesis

Atazanavir Impurity B

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CAT No: VS-A092013
CAS No: 198904-85-7
Mol.F.: C17H21N3O2 
Mol.Wt.: 299.4
Status: Custom Synthesis

Atazanavir Impurity C

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CAT No: VS-A092014
CAS No: 98760-08-8
Mol.F.: C15H21NO3 
Mol.Wt.:  263.3
Status: Custom Synthesis

Atazanavir R,S,S,R-Diastereomer

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CAT No: VS-A092015
CAS No: 1292296-11-7
Mol.F.: C38H52N6O7 
Mol.Wt.: 704.9
Status: Custom Synthesis

Atazanavir S,S,R,S-Diastereomer

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CAT No: VS-A092016
CAS No: 1292296-10-6
Mol.F.: C38H52N6O7 
Mol.Wt.: 704.9
Status: Custom Synthesis

5-(hydroxymethyl)furan-2-carbaldehyde

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CAT No: VS-A092017
CAS No: 67-47-0
Mol.F.: C6H6O3
Mol.Wt.: 126.1
Status: Custom Synthesis

Atazanavir RS8 Impurity

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CAT No: VS-A092018
CAS No: 1292296-12-8
Mol.F.: C37H48N6O6
Mol.Wt.: 672.8
Status: Custom Synthesis

Atazanavir RS3 Impurity

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CAT No: VS-A092019
CAS No: 765254-57-7
Mol.F.: C30H39N5O4
Mol.Wt.: 533.7
Status: Custom Synthesis

Atazanavir sulfate

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CAT No: VS-A092020
CAS No: 229975-97-7
Mol.F.: C38H52N6O7 : H2SO4
Mol.Wt.: 704.9 : 98.1
Status: Custom Synthesis

Atazanavir RS9 Impurity

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CAT No: VS-A092021
CAS No: 1292296-13-9
Mol.F.: C37H48N6O6
Mol.Wt.: 672.8
Status: Custom Synthesis

Atazanavir RS12 Impurity

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CAT No: VS-A092022
CAS No: N/A
Mol.F.: C61H76N10O9
Mol.Wt.: 1093.3
Status: Custom Synthesis

Atazanavir R,R,R,R Isomer

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CAT No: VS-A092023
CAS No: N/A
Mol.F.: C38H52N6O7
Mol.Wt.: 704.9
Status: Custom Synthesis

Atazanavir Hydrazine Analog

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CAT No: VS-A092024
CAS No: N/A
Mol.F.: C22H26N4O
Mol.Wt.: 362.5
Status: Custom Synthesis

Atazanavir Benzylidenehydrazine Analogue (RS)

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CAT No: VS-A092025
CAS No: N/A
Mol.F.: C34H33N5O
Mol.Wt.: 527.7
Status: Custom Synthesis

Atazanavir R,R,S,S-Diastereomer

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CAT No: VS-A092026
CAS No: N/A
Mol.F.: C38H52N6O7
Mol.Wt.: 704.9
Status: Custom Synthesis

Atazanavir S,R,S,R-Diastereomer

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CAT No: VS-A092027
CAS No: N/A
Mol.F.: C38H52N6O7
Mol.Wt.: 704.9
Status: Custom Synthesis

Atazanavir benzylidenehydrazine carbamate (RSS)

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CAT No: VS-A092028
CAS No: N/A
Mol.F.: C42H46N6O4
Mol.Wt.: 698.9
Status: Custom Synthesis

Atazanavir R,R,S,R-Diastereomer

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CAT No: VS-A092029
CAS No: N/A
Mol.F.: C38H52N6O7
Mol.Wt.: 704.9
Status: Custom Synthesis

Atazanavir R,S,R,R-Diastereomer

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CAT No: VS-A092030
CAS No: N/A
Mol.F.: C38H52N6O7
Mol.Wt.: 704.9
Status: Custom Synthesis

Atazanavir Diol Impurity

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CAT No: VS-A092031
CAS No: 73488-74-1
Mol.F.: C15H23NO4
Mol.Wt.: 281.4
Status: Custom Synthesis

Atazanavir Impurity 2

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CAT No: VS-A092032
CAS No: 198904-33-5
Mol.F.: C37H50N6O7
Mol.Wt.: 690.9
Status: Custom Synthesis

Atazanavir Impurity 3

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CAT No: VS-A092033
CAS No: N/A
Mol.F.: C37H50N6O7
Mol.Wt.: 690.9
Status: In Stock

Atazanavir Impurity 4

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CAT No: VS-A092034
CAS No: N/A
Mol.F.: C42H46N6O4 
Mol.Wt.: 698.9
Status: Custom Synthesis

Atazanavir Impuirty 5

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CAT No: VS-A092035
CAS No: N/A
Mol.F.: C24H29NO11 
Mol.Wt.: 507.5
Status: Custom Synthesis

Atazanavir Impurity 6 (4R,5S-Diasteroisomer of DIBOC)

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CAT No: VS-A092036
CAS No: 1006868-81-0
Mol.F.: C32H42N4O5 
Mol.Wt.:  562.7
Status: Custom Synthesis

Atazanavir Impurity 7

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CAT No: VS-A092037
CAS No: 1192224-26-2
Mol.F.: C36H50N6O5 
Mol.Wt.: 646.8
Status: Custom Synthesis

Atazanavir Impurity 8

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CAT No: VS-A092038
CAS No: 1028634-76-5
Mol.F.: C36H50N6O5 
Mol.Wt.:  646.8
Status: Custom Synthesis

Atazanavir Impurity 9 (4R,5R-Diasteroisomer of DIBOC)

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CAT No: VS-A092039
CAS No: N/A
Mol.F.: C32H42N4O5 
Mol.Wt.: 562.7
Status: Custom Synthesis

rac-Atazanavir Impurity 9

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CAT No: VS-A092040
CAS No: 2666351-84-2
Mol.F.: C32H42N4O5 
Mol.Wt.: 562.7
Status: Custom Synthesis

Atazanavir Impurity 10 (4S,5R-Diasteroisomer of DIBOC)

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CAT No: VS-A092041
CAS No: N/A
Mol.F.: C32H42N4O5 
Mol.Wt.:  562.7
Status: Custom Synthesis

Atazanavir Impurity 11

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CAT No: VS-A092042
CAS No: 2307732-33-6
Mol.F.: C17H27N3O2 
Mol.Wt.: 305.4
Status: Custom Synthesis

Atazanavir Impurity 12

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CAT No: VS-A092043
CAS No: 198904-84-6
Mol.F.: C17H19N3O2 
Mol.Wt.:  297.4
Status: Custom Synthesis

Atazanavir Impurity 13

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CAT No: VS-A092044
CAS No: 257907-05-4
Mol.F.: C12H11N3 
Mol.Wt.: 197.2
Status: Custom Synthesis

Atazanavir Impurity 14

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CAT No: VS-A092045
CAS No: 2307784-33-2
Mol.F.: C12H19N3 
Mol.Wt.: 205.3
Status: Custom Synthesis

Atazanavir Impurity 15

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CAT No: VS-A092046
CAS No: 857900-54-0
Mol.F.: C30H39N5O4
Mol.Wt.: 533.7
Status: Custom Synthesis

Atazanavir Impurity 16

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CAT No: VS-A092047
CAS No: 2131010-71-2
Mol.F.: C46H65N7O10
Mol.Wt.: 876.1
Status: Custom Synthesis

Atazanavir Impurity 17 (RSSSS)

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CAT No: VS-A092048
CAS No: N/A
Mol.F.: C60H74N10O9
Mol.Wt.: 1079.3
Status: Custom Synthesis

Atazanavir Impurity 18 (SRS)

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CAT No: VS-A092049
CAS No: 1003889-62-0
Mol.F.: C30H39N5O4
Mol.Wt.: 533.7
Status: Custom Synthesis

Atazanavir Impurity 19

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CAT No: VS-A092050
CAS No: N/A
Mol.F.: C44H63N7O8
Mol.Wt.: 818
Status: Custom Synthesis

Atazanavir Impurity 24

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CAT No: VS-A092051
CAS No: N/A
Mol.F.: C38H71BN2O13
Mol.Wt.: 774.8
Status: Custom Synthesis

Atazanavir Impurity 25

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CAT No: VS-A092052
CAS No: N/A
Mol.F.: C42H45N6O4
Mol.Wt.: 697.9
Status: Custom Synthesis

Atazanavir Impurity 36

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CAT No: VS-A092053
CAS No: 156990-58-8
Mol.F.: C9H17NO4
Mol.Wt.: 203.2
Status: Custom Synthesis

Atazanavir Hydrazine imp

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CAT No: VS-A092054
CAS No: 198904-87-9
Mol.F.: C22H26N4O.3HCl
Mol.Wt.: 471.85
Status: Custom Synthesis

N'-(4- Pyridin-2-yl-benzyl)-hydrazinecarboxylic acid sec-butyl ester

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CAT No: VS-A092055
CAS No: NA
Mol.F.: C17H21N3O2
Mol.Wt.: 299.37
Status: Custom Synthesis

N-(Methoxycarbonyl)-3-methyl-L-valine 2-[[4-(2-pyridinyl)phenyl]methyl]hydrazide

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CAT No: VS-A092056
CAS No: 857904-02-0
Mol.F.: C20H26N4O3
Mol.Wt.: 370.45
Status: Custom Synthesis

Atazanavir Impurity 35

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CAT No: VS-A092057
CAS No: 857904-20-2
Mol.F.: C27H34N4O3
Mol.Wt.: 462.6
Status: Custom Synthesis

Atazanavir Impurity A

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CAT No: VS-A092058
CAS No: NA
Mol.F.: C17H21N3O2
Mol.Wt.: 299.37
Status: Custom Synthesis

S-Boc Olefin Impurity of Atazanavir

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CAT No: VS-A092059
CAS No: 107202-43-7
Mol.F.: C15H21NO2
Mol.Wt.: 247.3
Status: Custom Synthesis

Atazanavir Impurity 33

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CAT No: VS-A092060
CAS No: NA
Mol.F.: C14H26N2O5
Mol.Wt.: 302.4
Status: Custom Synthesis

Atazanavir Impurity 29

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CAT No: VS-A092061
CAS No: 156474-22-5
Mol.F.: C15H21NO3
Mol.Wt.: 263.3
Status: Custom Synthesis

Atazanavir Impurity 30

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CAT No: VS-A092062
CAS No: 1191091-65-2
Mol.F.: C8H15NO4
Mol.Wt.: 189.21
Status: Custom Synthesis

Atazanavir Di-tert-Butyl Impurity

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CAT No: VS-A092063
CAS No: NA
Mol.F.: C32H42N4O5
Mol.Wt.: 562.7
Status: Custom Synthesis

Atazanavir Impurity 37

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CAT No: VS-A092064
CAS No: 869285-68-7
Mol.F.: C14H18N4O4
Mol.Wt.: 306.3
Status: Custom Synthesis
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