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Pharmaceutical Reference Standards

Azithromycin

Picture of Azithromycin
CAT No: SZ-A040000
CAS No: 117772-70-0
Mol.F. : C38H72N2O12 . 2H2O
Mol.Wt. : 749 . 2(18.02)
Inv. Status: In Stock
SZ-A040000
CAS No:117772-70-0
Mol.F.: C38H72N2O12 . 2H2O
Mol.Wt.: 749 . 2(18.02)
Inv. Status: In Stock

Azithromycin EP Impurity A 

Picture of Azithromycin EP Impurity A 
CAT No: SZ-A040002
CAS No: 76801-85-9
Mol.F. : C37H70N2O12
Mol.Wt. : 734.96
Inv. Status: In Stock
SZ-A040002
CAS No:76801-85-9
Mol.F.: C37H70N2O12 
Mol.Wt.: 734.96 
Inv. Status: In Stock

Azithromycin EP Impurity B

Picture of Azithromycin EP Impurity B
CAT No: SZ-A040003
CAS No: 307974-61-4 
Mol.F. : C38H72N2O11
Mol.Wt. : 732.99
Inv. Status: Custom Synthesis
SZ-A040003
CAS No:307974-61-4 
Mol.F.: C38H72N2O11 
Mol.Wt.: 732.99 
Inv. Status: Custom Synthesis

Azithromycin EP Impurity C

Picture of Azithromycin EP Impurity C
CAT No: SZ-A040004
CAS No: 620169-47-3
Mol.F. : C37H70N2O12
Mol.Wt. : 734.96
Inv. Status: Under Synthesis
SZ-A040004
CAS No:620169-47-3
Mol.F.: C37H70N2O12 
Mol.Wt.: 734.96 
Inv. Status: Under Synthesis

Azithromycin EP Impurity D

Picture of Azithromycin EP Impurity D
CAT No: SZ-A040005
CAS No: 612069-26-8
Mol.F. : C38H72N2O13
Mol.Wt. : 764.98
Inv. Status: Under Synthesis
SZ-A040005
CAS No:612069-26-8
Mol.F.: C38H72N2O13 
Mol.Wt.: 764.98 
Inv. Status: Under Synthesis

Azithromycin EP Impurity E

Picture of Azithromycin EP Impurity E
CAT No: SZ-A040006
CAS No: 612069-27-9
Mol.F. : C36H68N2O12
Mol.Wt. : 720.93
Inv. Status: In Stock
SZ-A040006
CAS No:612069-27-9
Mol.F.: C36H68N2O12 
Mol.Wt.: 720.93 
Inv. Status: In Stock

Azithromycin EP Impurity F

Picture of Azithromycin EP Impurity F
CAT No: SZ-A040007
CAS No: 612069-28-0
Mol.F. : C38H70N2O13
Mol.Wt. : 762.97
Inv. Status: In Stock
SZ-A040007
CAS No:612069-28-0
Mol.F.: C38H70N2O13
Mol.Wt.: 762.97 
Inv. Status: In Stock

Azithromycin EP Impurity G

Picture of Azithromycin EP Impurity G
CAT No: SZ-A040008
CAS No: 612069-31-5
Mol.F. : C44H76N2O14S
Mol.Wt. : 889.14
Inv. Status: In Stock
SZ-A040008
CAS No:612069-31-5
Mol.F.: C44H76N2O14S 
Mol.Wt.: 889.14 
Inv. Status: In Stock

Azithromycin EP Impurity H

Picture of Azithromycin EP Impurity H
CAT No: SZ-A040009
CAS No: 612069-30-4
Mol.F. : C45H77N3O15S
Mol.Wt. : 932.17
Inv. Status: In Stock
SZ-A040009
CAS No:612069-30-4
Mol.F.: C45H77N3O15S 
Mol.Wt.: 932.17 
Inv. Status: In Stock

Azithromycin EP Impurity I

Picture of Azithromycin EP Impurity I
CAT No: SZ-A040010
CAS No: 172617-84-4 
Mol.F. : C37H70N2O12
Mol.Wt. : 735
Inv. Status: In Stock
SZ-A040010
CAS No:172617-84-4 
Mol.F.: C37H70N2O12
Mol.Wt.: 735
Inv. Status: In Stock

Azithromycin EP Impurity J

Picture of Azithromycin EP Impurity J
CAT No: SZ-A040011
CAS No: 117693-41-1
Mol.F. : C30H58N2O9
Mol.Wt. : 590.79
Inv. Status: In Stock
SZ-A040011
CAS No:117693-41-1
Mol.F.: C30H58N2O9 
Mol.Wt.: 590.79 
Inv. Status: In Stock

Azithromycin EP Impurity K

Picture of Azithromycin EP Impurity K
CAT No: SZ-A040012
CAS No: 612534-95-9
Mol.F. : C38H70N2O13
Mol.Wt. : 762.97
Inv. Status: Custom Synthesis
SZ-A040012
CAS No:612534-95-9
Mol.F.: C38H70N2O13 
Mol.Wt.: 762.97 
Inv. Status: Custom Synthesis

Azithromycin EP Impurity L

Picture of Azithromycin EP Impurity L
CAT No: SZ-A040013
CAS No:  90503-06-3 
Mol.F. : C38H72N2O13
Mol.Wt. : 764.98
Inv. Status: In Stock
SZ-A040013
CAS No: 90503-06-3 
Mol.F.: C38H72N2O13
Mol.Wt.: 764.98 
Inv. Status: In Stock

Azithromycin EP Impurity M

Picture of Azithromycin EP Impurity M
CAT No: SZ-A040014
CAS No: 765927-71-7
Mol.F. : C37H68N2O13
Mol.Wt. : 748.94
Inv. Status: In Stock
SZ-A040014
CAS No:765927-71-7
Mol.F.: C37H68N2O13
Mol.Wt.: 748.94
Inv. Status: In Stock

Azithromycin EP Impurity N

Picture of Azithromycin EP Impurity N
CAT No: SZ-A040015
CAS No: 612069-25-7 
Mol.F. : C36H65NO13
Mol.Wt. : 719.9
Inv. Status: In Stock
SZ-A040015
CAS No:612069-25-7 
Mol.F.: C36H65NO13 
Mol.Wt.: 719.9 
Inv. Status: In Stock

Azithromycin EP Impurity O

Picture of Azithromycin EP Impurity O
CAT No: SZ-A040016
CAS No: 763924-54-5 
Mol.F. : C39H74N2O12
Mol.Wt. : 763.01
Inv. Status: Custom Synthesis
SZ-A040016
CAS No:763924-54-5 
Mol.F.: C39H74N2O12 
Mol.Wt.: 763.01 
Inv. Status: Custom Synthesis

Azithromycin Impurity Q

Picture of Azithromycin Impurity Q
CAT No: SZ-A040017
CAS No: N/A
Mol.F. : C37H66N2O12
Mol.Wt. : 730.94
Inv. Status: Custom Synthesis
SZ-A040017
CAS No:N/A
Mol.F.: C37H66N2O12 
Mol.Wt.: 730.94
Inv. Status: Custom Synthesis

Azithromycin Impurity R

Picture of Azithromycin Impurity R
CAT No: SZ-A040018
CAS No: 161193-44-8
Mol.F. : C37H66N2O12
Mol.Wt. : 730.94
Inv. Status: Custom Synthesis
SZ-A040018
CAS No:161193-44-8
Mol.F.: C37H66N2O12 
Mol.Wt.: 730.94
Inv. Status: Custom Synthesis

3-Hydroxy Azithromycinoic Acid Sodium Salt 

Picture of 3-Hydroxy Azithromycinoic Acid Sodium Salt 
CAT No: SZ-A040019
CAS No: N/A
Mol.F. : C30H59N2O10. Na
Mol.Wt. : 607.81 22.99
Inv. Status: Custom Synthesis
SZ-A040019
CAS No:N/A
Mol.F.: C30H59N2O10. Na
Mol.Wt.: 607.81 22.99
Inv. Status: Custom Synthesis

Azithromycin Impurity 1

Picture of Azithromycin Impurity 1
CAT No: SZ-A040020
CAS No: 2095879-65-3
Mol.F. : C44H75N3O15S
Mol.Wt. : 918.15
Inv. Status: Out of Stock
SZ-A040020
CAS No:2095879-65-3
Mol.F.: C44H75N3O15S 
Mol.Wt.: 918.15
Inv. Status: Out of Stock

Azithromycin Impurity 2

Picture of Azithromycin Impurity 2
CAT No: SZ-A040021
CAS No: N/A
Mol.F. : C38H70N2O14
Mol.Wt. : 778.98
Inv. Status: Custom Synthesis
SZ-A040021
CAS No:N/A
Mol.F.: C38H70N2O14
Mol.Wt.: 778.98
Inv. Status: Custom Synthesis

Azithromycin Impurity 3 Sodium Salt

Picture of Azithromycin Impurity 3 Sodium Salt
CAT No: SZ-A040022
CAS No: N/A
Mol.F. : C38H73N2O13. Na
Mol.Wt. : 766.01 22.99
Inv. Status: Custom Synthesis
SZ-A040022
CAS No:N/A
Mol.F.: C38H73N2O13. Na
Mol.Wt.: 766.01 22.99
Inv. Status: Custom Synthesis

Azaerythromycin A 11,12-hydrogen borate

Picture of Azaerythromycin A 11,12-hydrogen borate
CAT No: SZ-A040023
CAS No: 194809-66-0
Mol.F. : C37H69BN2O13
Mol.Wt. : 760.77
Inv. Status: Custom Synthesis
SZ-A040023
CAS No:194809-66-0
Mol.F.: C37H69BN2O13
Mol.Wt.: 760.77
Inv. Status: Custom Synthesis

Azithromycin Impurity P-Inhouse

Picture of Azithromycin Impurity P-Inhouse
CAT No: SZ-A040025
CAS No: 92594-45-1
Mol.F. : C39H74N2O12
Mol.Wt. : 763.02
Inv. Status: In Stock
SZ-A040025
CAS No:92594-45-1
Mol.F.: C39H74N2O12
Mol.Wt.: 763.02
Inv. Status: In Stock

Azithromycin Impurity 6

Picture of Azithromycin Impurity 6
CAT No: SZ-A040026
CAS No: N/A
Mol.F. : C38H71BN2O13
Mol.Wt. : 774.8
Inv. Status: Custom Synthesis
SZ-A040026
CAS No:N/A
Mol.F.: C38H71BN2O13
Mol.Wt.: 774.8
Inv. Status: Custom Synthesis

Azithromycin Impurity Zy

Picture of Azithromycin Impurity Zy
CAT No: SZ-A040027
CAS No: N/A
Mol.F. : C41H78N2O13
Mol.Wt. : 807.1
Inv. Status: Custom Synthesis
SZ-A040027
CAS No:N/A
Mol.F.: C41H78N2O13
Mol.Wt.: 807.1
Inv. Status: Custom Synthesis

N-Nitroso Azithromycin

Picture of N-Nitroso Azithromycin
CAT No: SZ-A040028
CAS No: NA
Mol.F. : C37H69N3O13
Mol.Wt. : 764
Inv. Status: Under Synthesis
SZ-A040028
CAS No:NA
Mol.F.: C37H69N3O13
Mol.Wt.: 764
Inv. Status: Under Synthesis

Azithromycin Aglycone

Picture of Azithromycin Aglycone
CAT No: SZ-A040029
CAS No: 117693-42-2
Mol.F. : C22H43NO7
Mol.Wt. : 433.6
Inv. Status: Custom Synthesis
SZ-A040029
CAS No:117693-42-2
Mol.F.: C22H43NO7
Mol.Wt.: 433.6
Inv. Status: Custom Synthesis