All Categories
  • All Categories
  • Accessories
  • Accessories & More
  • Butters & Eggs
  • Camera & Video
  • Mornitors
  • Tablets
  • Laptops
  • Handbags
  • Headphone & Speaker
  • Herbs & botanicals
  • Vegetables
  • Shop
  • Laptops & Desktops
  • Watchs
  • Electronic
standards@synzeal.com
  • 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

Pharmaceutical Reference Standards

Rifaximin

Picture of Rifaximin
CAT No: SZ-R027001
CAS No: 80621-81-4
Mol.F. : C43H51N3O11
Mol.Wt. : 785.9
Inv. Status: In Stock
SZ-R027001
CAS No:80621-81-4
Mol.F.: C43H51N3O11
Mol.Wt.: 785.9
Inv. Status: In Stock

Rifaximin EP Impurity A

Picture of Rifaximin EP Impurity A
CAT No: SZ-R027002
CAS No: 695-34-1
Mol.F. : C6H8N2
Mol.Wt. : 108.1
Inv. Status: In Stock
SZ-R027002
CAS No:695-34-1
Mol.F.: C6H8N2
Mol.Wt.: 108.1
Inv. Status: In Stock

Rifaximin EP Impurity B

Picture of Rifaximin EP Impurity B
CAT No: SZ-R027003
CAS No: 13929-35-6
Mol.F. : C39H49NO14
Mol.Wt. : 755.8
Inv. Status: In Stock
SZ-R027003
CAS No:13929-35-6
Mol.F.: C39H49NO14
Mol.Wt.: 755.8
Inv. Status: In Stock

Rifaximin EP Impurity C

Picture of Rifaximin EP Impurity C
CAT No: SZ-R027004
CAS No: 14897-39-3
Mol.F. : C37H47NO12 : Na
Mol.Wt. : 697.8 : 23.0
Inv. Status: In Stock
Rel. CAS No : 6998-60-3 (free base)
SZ-R027004
CAS No:14897-39-3
Mol.F.: C37H47NO12 : Na
Mol.Wt.: 697.8 : 23.0
Inv. Status: In Stock
Rel. CAS No : 6998-60-3 (free base)

Rifaximin EP Impurity D

Picture of Rifaximin EP Impurity D
CAT No: SZ-R027005
CAS No: NA
Mol.F. : C43H49N3O12
Mol.Wt. : 799.9
Inv. Status: Custom Synthesis
SZ-R027005
CAS No:NA
Mol.F.: C43H49N3O12 
Mol.Wt.: 799.9
Inv. Status: Custom Synthesis

Rifaximin EP Impurity E

Picture of Rifaximin EP Impurity E
CAT No: SZ-R027006
CAS No: 13553-79-2
Mol.F. : C37H45NO12
Mol.Wt. : 695.8
Inv. Status: In Stock
SZ-R027006
CAS No:13553-79-2
Mol.F.: C37H45NO12
Mol.Wt.: 695.8
Inv. Status: In Stock

Rifaximin EP Impurity F

Picture of Rifaximin EP Impurity F
CAT No: SZ-R027007
CAS No: 14487-05-9
Mol.F. : C39H47NO14
Mol.Wt. : 753.8
Inv. Status: In Stock
SZ-R027007
CAS No:14487-05-9
Mol.F.: C39H47NO14
Mol.Wt.: 753.8
Inv. Status: In Stock

Rifaximin EP Impurity G

Picture of Rifaximin EP Impurity G
CAT No: SZ-R027008
CAS No: 80621-76-7
Mol.F. : C43H49N3O11
Mol.Wt. : 783.9
Inv. Status: Limited Stock
SZ-R027008
CAS No:80621-76-7
Mol.F.: C43H49N3O11
Mol.Wt.: 783.9
Inv. Status: Limited Stock

Rifaximin EP Impurity H

Picture of Rifaximin EP Impurity H
CAT No: SZ-R027009
CAS No: 1210022-90-4
Mol.F. : C43H51N3O12
Mol.Wt. : 801.9
Inv. Status: Custom Synthesis
SZ-R027009
CAS No:1210022-90-4
Mol.F.: C43H51N3O12
Mol.Wt.: 801.9
Inv. Status: Custom Synthesis

Rifaximin Impurity 1

Picture of Rifaximin Impurity 1
CAT No: SZ-R027010
CAS No: 1351775-04-6
Mol.F. : C43H49N3O11
Mol.Wt. : 783.9
Inv. Status: In Stock
SZ-R027010
CAS No:1351775-04-6
Mol.F.: C43H49N3O11
Mol.Wt.: 783.9
Inv. Status: In Stock

Rifaximin Impurity 2

Picture of Rifaximin Impurity 2
CAT No: SZ-R027011
CAS No: 1351775-03-5
Mol.F. : C43H49N3O11
Mol.Wt. : 783.9
Inv. Status: In Stock
SZ-R027011
CAS No:1351775-03-5
Mol.F.: C43H49N3O11
Mol.Wt.: 783.9
Inv. Status: In Stock

25-Desacetyl Rifampicin

Picture of 25-Desacetyl Rifampicin
CAT No: SZ-R027012
CAS No: 16783-99-6
Mol.F. : C41H56N4O11
Mol.Wt. : 780.9
Inv. Status: In Stock
SZ-R027012
CAS No:16783-99-6
Mol.F.: C41H56N4O11
Mol.Wt.: 780.9
Inv. Status: In Stock

25-Desacetyl-21-acetyl rifampicin

Picture of 25-Desacetyl-21-acetyl rifampicin
CAT No: SZ-R027013
CAS No: NA
Mol.F. : C44H60N4O11
Mol.Wt. : 821.0
Inv. Status: Custom Synthesis
SZ-R027013
CAS No:NA
Mol.F.: C44H60N4O11
Mol.Wt.: 821.0
Inv. Status: Custom Synthesis

25-Desacetyl Rifaximin

Picture of 25-Desacetyl Rifaximin
CAT No: SZ-R027014
CAS No: 80621-88-1
Mol.F. : C41H49N3O10
Mol.Wt. : 743.9
Inv. Status: In Stock
SZ-R027014
CAS No:80621-88-1
Mol.F.: C41H49N3O10
Mol.Wt.: 743.9
Inv. Status: In Stock

Rifaximin EP Impurity D & H

Picture of Rifaximin EP Impurity D & H
CAT No: SZ-R027015
CAS No: NA
Mol.F. : C43H49N3O12 : C43H51N3O12
Mol.Wt. : 799.9 : 801.9
Inv. Status: Custom Synthesis
SZ-R027015
CAS No:NA
Mol.F.: C43H49N3O12 : C43H51N3O12
Mol.Wt.: 799.9 : 801.9
Inv. Status: Custom Synthesis

Stable Isotopes And Metabolites

Rifaximin D6

Picture of Rifaximin D6
CAT No: SZ-R027D01
CAS No: 1262992-43-7
Mol.F. : C43H45D6N3O11
Mol.Wt. : 791.9
Inv. Status: Custom Synthesis
SZ-R027D01
CAS No:1262992-43-7
Mol.F.: C43H45D6N3O11
Mol.Wt.: 791.9
Inv. Status: Custom Synthesis