Famotidine 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.
Famotidine - ETOH Impurity (Maleate salt)
CAT No: VS-F002019
CAS No: 2575516-75-3
Mol.F.: C10H17N7O3S3 : C4H4O4
Mol.Wt.: 379.5 : 116.1
Status: Custom Synthesis
Famotidine - ETOH Impurity
CAT No: VS-F002018
CAS No: 2575516-74-2
Mol.F.: C10H17N7O3S3
Mol.Wt.: 379.5
Status: Custom Synthesis
Famotidine Adduct Impurity
CAT No: VS-F002016
CAS No: 1994267-84-3
Mol.F.: C15H19N7O2S3
Mol.Wt.: 425.5
Status: Custom Synthesis
Famotidine Chloromethyl Impurity
CAT No: VS-F002015
CAS No: 81152-53-6
Mol.F.: C5H7ClN4S
Mol.Wt.: 190.7
Status: Custom Synthesis
Famotidine Chloromethyl Impurity (HCl)
CAT No: VS-F002033
CAS No: 69014-12-6
Mol.F.: C5H7ClN4S : HCl
Mol.Wt.: 190.7 : 36.5
Status: Custom Synthesis
Famotidine Cyanoethyl Impurity
CAT No: VS-F002014
CAS No: 76823-93-3
Mol.F.: C8H11N5S2
Mol.Wt.: 241.3
Status: Custom Synthesis
Famotidine Cyclic Impurity
CAT No: VS-F002035
CAS No: 2169078-41-3
Mol.F.: C3H7N3O2S
Mol.Wt.: 149.17
Status: Custom Synthesis
Famotidine EP Impurity A
CAT No: VS-F002026
CAS No: 124646-10-2
Mol.F.: C8H14N6S2
Mol.Wt.: 258.4
Status: Custom Synthesis
Famotidine EP Impurity A(2HCl salt)
CAT No: VS-F002001
CAS No: 88061-72-7
Mol.F.: C8H14N6S2 : 2HCl
Mol.Wt.: 258.4 : 2(36.5)
Status: In Stock
Famotidine EP Impurity B
CAT No: VS-F002002
CAS No: 89268-62-2
Mol.F.: C16H23N11O2S5
Mol.Wt.: 561.7
Status: Out of Stock
Famotidine EP Impurity B (Dimaleate salt)
CAT No: VS-F002032
CAS No: 109467-08-5
Mol.F.: C16H23N11O2S5 : 2(C4H4O4)
Mol.Wt.: 561.7 : 2(116.1)
Status: In Stock
Famotidine EP Impurity C
CAT No: VS-F002003
CAS No: 76824-17-4
Mol.F.: C8H14N6O3S3 : HCl
Mol.Wt.: 338.4 : 36.4
Status: In Stock
Famotidine EP Impurity C (Freebase)
CAT No: VS-F002023
CAS No: 106433-44-7
Mol.F.: C8H14N6O3S3
Mol.Wt.: 338.43
Status: Custom Synthesis
Famotidine EP Impurity D
CAT No: VS-F002004
CAS No: 76824-16-3
Mol.F.: C8H13N5OS2
Mol.Wt.: 259.4
Status: In Stock
Famotidine EP Impurity E
CAT No: VS-F002005
CAS No: 129083-44-9
Mol.F.: C10H14N8S4
Mol.Wt.: 374.5
Status: In Stock
Famotidine EP Impurity F
CAT No: VS-F002006
CAS No: 107880-74-0
Mol.F.: C8H12N4O2S2
Mol.Wt.: 260.3
Status: In Stock
Famotidine EP Impurity G
CAT No: VS-F002007
CAS No: 76823-97-7
Mol.F.: C9H13N7S2
Mol.Wt.: 283.3
Status: Custom Synthesis
Famotidine EP Impurity H
CAT No: VS-F002029
CAS No: 106649-96-1
Mol.F.: C6H10N6S2
Mol.Wt.: 230.31
Status: Custom Synthesis
Famotidine EP Impurity H (2HCl)
CAT No: VS-F002008
CAS No: 88046-01-9
Mol.F.: C6H10N6S2 : 2HCl
Mol.Wt.: 230.3 : 2(36.5)
Status: In Stock
Famotidine EP Impurity I
CAT No: VS-F002009
CAS No: N/A
Mol.F.: C8H14N6O4S3 : HCl
Mol.Wt.: 354.4 : 36.4
Status: Custom Synthesis
Famotidine EP Impurity J
CAT No: VS-F002010
CAS No: 76824-14-1
Mol.F.: C9H14N4O2S2
Mol.Wt.: 274.4
Status: Limited Stock
Famotidine Impurity HCl
CAT No: VS-F002012
CAS No: 100599-91-5
Mol.F.: C5H8N4S : HCl
Mol.Wt.: 156.2 : 36.4
Status: Custom Synthesis
Famotidine Impurity 1
CAT No: VS-F002020
CAS No: 154754-59-3
Mol.F.: C9H15N7O2S3
Mol.Wt.: 349.4
Status: Custom Synthesis
Famotidine Impurity 2
CAT No: VS-F002021
CAS No: 95907-34-9
Mol.F.: C5H9ClN4OS
Mol.Wt.: 208.7
Status: In Stock
Famotidine Impurity 3
CAT No: VS-F002030
CAS No: 105827-91-6
Mol.F.: C4H3Cl2NS
Mol.Wt.: 168.04
Status: Custom Synthesis
Famotidine Impurity 4
CAT No: VS-F002031
CAS No: NA
Mol.F.: C5H8Cl2N4S
Mol.Wt.: 227.11
Status: Custom Synthesis
Famotidine Impurity A HCl
CAT No: VS-F002024
CAS No: 76833-47-1
Mol.F.: C8H15ClN6S2
Mol.Wt.: 294.83
Status: Custom Synthesis
Famotidine Impurity I
CAT No: VS-F002022
CAS No: 1020719-36-1
Mol.F.: C8H14N6O4S3
Mol.Wt.: 354.43
Status: Custom Synthesis
Famotidine Methoxy Impurity
CAT No: VS-F002013
CAS No: 76823-94-4
Mol.F.: C9H15N5OS2
Mol.Wt.: 273.3
Status: Custom Synthesis
Famotidine Sulfinyl imine
CAT No: VS-F002028
CAS No: NA
Mol.F.: C15H19N7O2S3
Mol.Wt.: 425.54
Status: Custom Synthesis
Famotidine Sulfoxide
CAT No: VS-F002011
CAS No: 90237-03-9
Mol.F.: C8H15N7O3S3
Mol.Wt.: 353.4
Status: In Stock
Famotidine Sulfamide
CAT No: VS-F002025
CAS No: 7803-58-9
Mol.F.: H4N2O2S
Mol.Wt.: 96.10
Status: Custom Synthesis
N-Nitroso Famotidine
CAT No: VS-F002027
CAS No: NA
Mol.F.: C8H14N8O3S3
Mol.Wt.: 366.4
Status: Custom Synthesis
N-Sulfamyl-3- chloropropionamidine hydrochloride
CAT No: VS-F002017
CAS No: 106649-95-0
Mol.F.: C3H8ClN3O2S : HCl
Mol.Wt.: 185.6 : 36.5
Status: Custom Synthesis
N-Sulphamyl-3-chloropropionamidine
CAT No: VS-F002034
CAS No: 106492-70-0
Mol.F.: C3H8ClN3O2S
Mol.Wt.: 185.63
Status: Custom Synthesis
