Impurity Reference Standard - Products

Primidone

CAT No: CL-PRME-01 CAS No: 125-33-7 Mol Wt: 218.3 Mol F: C12H14N2O2 Inv Status: Custom Synthesis

Chemical Name: 5-Ethyl-5-phenyldihydropyrimidine-4,6(1H,5H)-dione

Primidone EP Impurity A

CAT No: CL-PRME-02 CAS No: 7206-76-0 Mol Wt: 206.2 Mol F: C11H14N2O2 Inv Status: Custom Synthesis

Chemical Name: 2-Ethyl-2-phenylpropanediamide

Primidone EP Impurity B

CAT No: CL-PRME-03 CAS No: 50-06-6 Mol Wt: 232.2 Mol F: C12H12N2O3 Inv Status: Custom Synthesis

Chemical Name: 5-Ethyl-5-phenylpyrimidine-2,4,6(1H,3H,5H)-trione

Primidone EP Impurity C

CAT No: CL-PRME-04 CAS No: 90-26-6 Mol Wt: 163.2 Mol F: C10H13NO Inv Status: Custom Synthesis

Chemical Name: (2RS)-2-phenylbutanamide

Primidone EP Impurity D

CAT No: CL-PRME-05 CAS No: 80544-75-8 Mol Wt: 188.2 Mol F: C11H12N2O Inv Status: Custom Synthesis

Chemical Name: (2RS)-2-cyano-2-phenylbutanamide

Primidone EP Impurity E

CAT No: CL-PRME-06 CAS No: 90-27-7 Mol Wt: 164.2 Mol F: C10H12O2 Inv Status: Custom Synthesis

Chemical Name: (2RS)-2-phenylbutanoic acid

Primidone EP Impurity F

CAT No: CL-PRME-07 CAS No: 1189504-46-8 Mol Wt: 336.4 Mol F: C21H24N2O2 Inv Status: Custom Synthesis

Chemical Name: 5-Ethyl-5-phenyl-2-[(1RS)-1-phenylpropyl]dihydropyrimidine-4,6(1H,5H)-dione

Primidone D5

CAT No: CL-PRME-08 CAS No: 73738-06-4 Mol Wt: 223.3 Mol F: C12H9D5N2O2 Inv Status: Custom Synthesis

Chemical Name: 5-(Ethyl-d5)-5-phenyldihydropyrimidine-4,6(1H,5H)-dione

Primidone Impurity 1

CAT No: CL-PRME-09 CAS No: NA Mol Wt: 222.3 Mol F: C11H14N2OS Inv Status: Custom Synthesis

Chemical Name: N-Carbamothioyl-2-Phenylbutanamide