Risperidone Related Products 
![Picture of 3-Ethyl-2-Methyl-4H-Pyrido[1,2-A]Pyrimidine-4-One](https://www.venkatasailifesciences.com/images/thumbs/0051721_3-ethyl-2-methyl-4h-pyrido12-apyrimidine-4-one_350.png "Show details for 3-Ethyl-2-Methyl-4H-Pyrido[1,2-A]Pyrimidine-4-One")
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.
(R)-9-Hydroxy Risperidone
CAT No: VS-R042038
CAS No: 130049-85-3
Mol.F.: C23H27FN4O3
Mol.Wt.: 426.48
Status: Custom Synthesis
3-Ethyl-2-Methyl-4H-Pyrido[1,2-A]Pyrimidine-4-One
CAT No: VS-R042022
CAS No: 16867-31-5
Mol.F.: C11H12N2O
Mol.Wt.: 188.2
Status: Custom Synthesis
4-Fluoro Risperidone
CAT No: VS-R042031
CAS No: N/A
Mol.F.: C23H27FN4O2
Mol.Wt.: 410.5
Status: Custom Synthesis
Bicyclo Risperidone
CAT No: VS-R042024
CAS No: 2231638-02-9
Mol.F.: C23H28FN4O2 : I
Mol.Wt.: 411.5 : 126.9
Status: Custom Synthesis
N-Nitroso Risperidone EP Impurity M
CAT No: VS-R042039
CAS No: 2416230-38-9
Mol.F.: C12H12FN3O2
Mol.Wt.: 249.2
Status: Custom Synthesis
Risperidone 4-Hydroxybenzoyl Impurity
CAT No: VS-R042016
CAS No: 1391053-32-9
Mol.F.: C23H28FN3O3
Mol.Wt.: 413.5
Status: Custom Synthesis
Risperidone 5,6,7,8-Tetradehydro Impurity
CAT No: VS-R042033
CAS No: 108855-18-1
Mol.F.: C23H23FN4O2
Mol.Wt.: 406.5
Status: Custom Synthesis
Risperidone 6-Methyl Chloroethyl Impurity
CAT No: VS-R042023
CAS No: N/A
Mol.F.: C12H17ClN2O
Mol.Wt.: 240.7
Status: Custom Synthesis
Risperidone Acetylpiperidine Impurity
CAT No: VS-R042017
CAS No: N/A
Mol.F.: C26H27F2N3O3
Mol.Wt.: 467.5
Status: Custom Synthesis
Risperidone cis-N-Oxide
CAT No: VS-R042027
CAS No: 1894509-66-0
Mol.F.: C23H27FN4O3
Mol.Wt.: 426.5
Status: Custom Synthesis
Risperidone Degradation Product
CAT No: VS-R042030
CAS No: 832747-59-8
Mol.F.: C11H14N2O
Mol.Wt.: 190.3
Status: Custom Synthesis
Risperidone Difluoro Acetyl Impurity
CAT No: VS-R042018
CAS No: 84162-82-3
Mol.F.: C14H15F2NO2
Mol.Wt.: 267.3
Status: Custom Synthesis
Risperidone Difluorobenzoyl Impurity
CAT No: VS-R042019
CAS No: 106266-04-0
Mol.F.: C12H13F2NO : HCl
Mol.Wt.: 225.2 : 36.5
Status: Custom Synthesis
Risperidone EP Impurity A
CAT No: VS-R042001
CAS No: 691007-09-7
Mol.F.: C23H28F2N4O2
Mol.Wt.: 430.5
Status: In Stock
Risperidone EP Impurity B
CAT No: VS-R042002
CAS No: 132961-05-8
Mol.F.: C23H28F2N4O2
Mol.Wt.: 430.5
Status: In Stock
Risperidone EP Impurity C
CAT No: VS-R042003
CAS No: 144598-75-4
Mol.F.: C23H27FN4O3
Mol.Wt.: 426.5
Status: In Stock
Risperidone EP Impurity D
CAT No: VS-R042004
CAS No: 1199589-74-6
Mol.F.: C23H27FN4O2
Mol.Wt.: 410.5
Status: In Stock
Risperidone EP Impurity E
CAT No: VS-R042005
CAS No: 1346602-28-5
Mol.F.: C24H29FN4O2
Mol.Wt.: 424.5
Status: Limited Stock
Risperidone EP Impurity F
CAT No: VS-R042006
CAS No: 1346603-86-8
Mol.F.: C24H27FN4O4
Mol.Wt.: 454.5
Status: Custom Synthesis
Risperidone EP Impurity H
CAT No: VS-R042008
CAS No: 158697-67-7
Mol.F.: C23H27F2N3O2
Mol.Wt.: 415.5
Status: In Stock
Risperidone EP Impurity I
CAT No: VS-R042009
CAS No: 1329796-66-8
Mol.F.: C36H39F2N5O3
Mol.Wt.: 615.7
Status: Custom Synthesis
Risperidone EP Impurity J
CAT No: VS-R042010
CAS No: 1346606-24-3
Mol.F.: C35H40F2N6O3
Mol.Wt.: 630.7
Status: Custom Synthesis
Risperidone EP Impurity K
CAT No: VS-R042011
CAS No: 106266-09-5
Mol.F.: C23H28N4O2
Mol.Wt.: 392.5
Status: In Stock
Risperidone EP Impurity L
CAT No: VS-R042012
CAS No: 63234-80-0
Mol.F.: C11H15ClN2O
Mol.Wt.: 226.7
Status: In Stock
Risperidone EP Impurity M
CAT No: VS-R042013
CAS No: 84163-13-3
Mol.F.: C12H13FN2O : HCl
Mol.Wt.: 220.2 : 36.5
Status: In Stock
Risperidone Ethyl Impurity
CAT No: VS-R042014
CAS No: 70381-58-7
Mol.F.: C11H16N2O
Mol.Wt.: 192.23
Status: Custom Synthesis
Risperidone Hydroxyethyl Impurity
CAT No: VS-R042020
CAS No: 66698-27-9
Mol.F.: C11H16N2O2
Mol.Wt.: 208.3
Status: Custom Synthesis
Risperidone Impurity 1
CAT No: VS-R042034
CAS No: 95742-20-4
Mol.F.: C12H13FN2O
Mol.Wt.: 220.2
Status: Custom Synthesis
Risperidone Impurity 2
CAT No: VS-R042035
CAS No: N/A
Mol.F.: C12H13FN2O2
Mol.Wt.: 236.2
Status: Custom Synthesis
Risperidone Impurity 3
CAT No: VS-R042036
CAS No: N/A
Mol.F.: C12H12FN3O2
Mol.Wt.: 249.2
Status: Custom Synthesis
Risperidone Impurity 4
CAT No: VS-R042037
CAS No: N/A
Mol.F.: C6H10N2O3
Mol.Wt.: 158.2
Status: Custom Synthesis
Risperidone Impurity Adduct
CAT No: VS-R042032
CAS No: N/A
Mol.F.: C35H39FN6O3
Mol.Wt.: 610.7
Status: Custom Synthesis
Risperidone Isomer Degradation Product
CAT No: VS-R042029
CAS No: 1005191-81-0
Mol.F.: C23H27FN4O2
Mol.Wt.: 410.5
Status: Custom Synthesis
Risperidone N-Oxide
CAT No: VS-R042015
CAS No: 832747-55-4
Mol.F.: C23H27FN4O3
Mol.Wt.: 426.5
Status: In Stock
Risperidone Piperidine Impurity
CAT No: VS-R042021
CAS No: 2379325-11-6
Mol.F.: C24H25F2N3O2
Mol.Wt.: 425.5
Status: Custom Synthesis
Risperidone Quaternary Salt
CAT No: VS-R042025
CAS No: N/A
Mol.F.: C34H42FN6O3
Mol.Wt.: 601.8
Status: Custom Synthesis
Risperidone Synthetic Impurity
CAT No: VS-R042028
CAS No: 898542-33-1
Mol.F.: C24H27FN4O2
Mol.Wt.: 422.5
Status: Custom Synthesis
Risperidone Trans N-Oxide
CAT No: VS-R042026
CAS No: 1200448-51-6
Mol.F.: C23H27FN4O3
Mol.Wt.: 426.5
Status: Custom Synthesis
Risperidone USP Related Compound G
CAT No: VS-R042007
CAS No: 152542-00-2
Mol.F.: C23H28FN3O3
Mol.Wt.: 413.5
Status: Custom Synthesis
