Impurity Reference Standard - Products

Oxazepam EP Impurity A

CAT No: CL-OXAZ-01 CAS No: 19554-95-1 Mol Wt: 286.7 Mol F: C15H11ClN2O2 Inv Status: Custom Synthesis

Chemical Name: (5RS)-7-chloro-5-phenyl-4,5-dihydro-1H-1,4-benzodiazepine-2,3-dione

Oxazepam EP Impurity B

CAT No: CL-OXAZ-02 CAS No: 1824-74-4 Mol Wt: 328.8 Mol F: C17H13ClN2O3 Inv Status: Custom Synthesis

Chemical Name: (3RS)-7-Chloro-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-benzodiazepin-3-yl acetate

Oxazepam EP Impurity C

CAT No: CL-OXAZ-03 CAS No: [5958-05-4] Mol Wt: 268.7 Mol F: C15H9ClN2O Inv Status: Custom Synthesis

Chemical Name: 6-Chloro-4-phenylquinazoline-2-carbaldehyde

Oxazepam EP Impurity D

CAT No: CL-OXAZ-04 CAS No: 719-59-5 Mol Wt: 231.7 Mol F: C13H10ClNO Inv Status: Custom Synthesis

Chemical Name: (2-Amino-5-chlorophenyl)phenylmethanone

Oxazepam EP Impurity E

CAT No: CL-OXAZ-05 CAS No: 963-39-3 Mol Wt: 286.7 Mol F: C15H11ClN2O2 Inv Status: Custom Synthesis

Chemical Name: 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one 4-oxide

Oxazepam 2,3-Dione Impurity

CAT No: CL-OXAZ-06 CAS No: 20927-55-3 Mol Wt: 284.7 Mol F: C15H9ClN2O2 Inv Status: Custom Synthesis

Chemical Name: 7-Chloro-5-phenyl-1H-benzo[e][1,4]diazepine-2,3-dione

Oxazepam Impurity 1

CAT No: CL-OXAZ-07 CAS No: 5624-83-9 Mol Wt: 304.7 Mol F: C15H13ClN2O3 Inv Status: Custom Synthesis

Chemical Name: N-(2-benzoyl-4-chlorophenyl)-2-(hydroxyamino)acetamide