Rifaximin Related Products

Venkatasai is a leading innovator in the field of pharmaceutical reference standards, offering high-quality Reference Standards of Abacavir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamines (N-NO products). Our Abacavir impurity reference standards play a vital role in pharmaceutical research, supporting product development, ANDA and DMF filings, quality control (QC), method validation, and stability studies. They are also instrumental in identifying unknown impurities and evaluating genotoxic potential. All Abacavir-related products are thoroughly characterized and supplied with comprehensive Certificates of Analysis (COA) and analytical data that comply with regulatory standards. EP/USP traceable standards can also be provided upon request. Furthermore, all supplied products undergo periodic re-testing to ensure continued quality and reliability.

25-Desacetyl Rifampicin

CAT No: VS-R035009
CAS No: 16783-99-6
Mol.F.: C41H56N4O11
Mol.Wt.: 780.9
Status: Custom Synthesis

25-Desacetyl Rifaximin

CAT No: VS-R035011
CAS No: 80621-88-1
Mol.F.: C41H49N3O10
Mol.Wt.: 743.9
Status: Custom Synthesis

25-Desacetyl-21-acetyl rifampicin

CAT No: VS-R035010
CAS No: N/A
Mol.F.: C44H60N4O11
Mol.Wt.: 821
Status: Custom Synthesis

Rifaximin

CAT No: VS-R035000
CAS No: 80621-81-4
Mol.F.: C43H51N3O11
Mol.Wt.: 785.9
Status: Custom Synthesis

Rifaximin EP Impurity A

CAT No: VS-R035001
CAS No: 695-34-1
Mol.F.: C6H8N2
Mol.Wt.: 108.1
Status: Custom Synthesis

Rifaximin EP Impurity B

CAT No: VS-R035002
CAS No: 13929-35-6
Mol.F.: C39H49NO14
Mol.Wt.: 755.8
Status: Custom Synthesis

Rifaximin EP Impurity C

CAT No: VS-R035003
CAS No: 14897-39-3
Mol.F.: C37H47NO12 : Na
Mol.Wt.: 697.8 : 23.0
Status: Custom Synthesis

Rifaximin EP Impurity D

CAT No: VS-R035004
CAS No: N/A
Mol.F.: C43H49N3O12 
Mol.Wt.: 799.9
Status: Custom Synthesis

Rifaximin EP Impurity E

CAT No: VS-R035005
CAS No: 13553-79-2
Mol.F.: C37H45NO12
Mol.Wt.: 695.8
Status: Custom Synthesis

Rifaximin EP Impurity F

CAT No: VS-R035006
CAS No: 14487-05-9
Mol.F.: C39H47NO14
Mol.Wt.: 753.8
Status: Custom Synthesis

Rifaximin EP Impurity G

CAT No: VS-R035007
CAS No: 80621-76-7
Mol.F.: C43H49N3O11
Mol.Wt.: 783.9
Status: Custom Synthesis

Rifaximin EP Impurity H

CAT No: VS-R035008
CAS No: 1210022-90-4
Mol.F.: C43H51N3O12
Mol.Wt.: 801.9
Status: Custom Synthesis

Rifaximin Impurity 1

CAT No: VS-R035012
CAS No: 1351775-04-6
Mol.F.: C43H49N3O11
Mol.Wt.: 783.9
Status: Custom Synthesis

Rifaximin Impurity 2

CAT No: VS-R035013
CAS No: 1351775-03-5
Mol.F.: C43H49N3O11
Mol.Wt.: 783.9
Status: Custom Synthesis