Synonyms3-phenylpyrazin-2(1H)-one; 3-Phenyl-1H-pyrazin-2-one; 3-Phenyl-2-pyrazinol, Cefaclor Impurity F (EP) Close 3-phenylpyrazin-2(1H)-one; 3-Phenyl-1H-pyrazin-2-one; 3-Phenyl-2-pyrazinol, Cefaclor Impurity F (EP) Related products Cefaclor-d5 M.F. M.W. 372.84 CAT# AR-C01629 CAS# 1426173-90-1 Cefaclor M.F. M.W. 367.8 CAT# AR-C01630 CAS# 53994-73-3 Cefaclor impurity E M.F. M.W. 355.8 CAT# AR-C01631 CAS# 188915-50-6 Cefaclor Delta-3-Isomer M.F. M.W. 367.81 CAT# AR-C01632 CAS# 152575-13-8 Cefaclor EP Impurity C HCl M.F. M.W. 367.81 36.46 CAT# AR-C01633 CAS# 143059-69-2 (free base) Cefaclor EP Impurity G M.F. M.W. 347.4 CAT# AR-C01634 CAS# N/A Cefaclor EP Impurity H M.F. M.W. 500.96 CAT# AR-C01635 CAS# N/A Cefaclor EP Impurity F (Ampicillin EP Impurity H ) M.F. M.W. 172.19 CAT# AR-C01636 CAS# 2882-18-0 Cefaclor Impurity 2 M.F. M.W. 298.34 CAT# AR-C01637 CAS# NA 3-Deschloro-3-bromo Cefaclor M.F. M.W. 412.26 CAT# AR-C01638 CAS# NA 3-Deschloro-3-(4-aminobenzyl) Cefaclor M.F. M.W. 438.5 CAT# AR-C01639 CAS# NA Cefaclor Impurity 5 M.F. M.W. 348.41 CAT# AR-C01640 CAS# NA Cefaclor sulfoxide M.F. M.W. 383.8 CAT# AR-C01641 CAS# NA Cefaclor Delta-3-Isomer sulfoxide M.F. M.W. 383.8 CAT# AR-C01642 CAS# NA Cefaclor Impurity 8 (Cefaclor dimer) M.F. M.W. 717.59 CAT# AR-C01643 CAS# NA Cefaclor Monohydrate M.F. M.W. 367.80; 18.02 CAT# AR-C05326 CAS# 70356-03-5
