Impurity Reference Standard - Products

Tocopheryl Acetate EP Impurity D

CAT No: CL-TPAT-05 CAS No: NA Mol Wt: 486.8 Mol F: C32H54O3 Inv Status: Custom Synthesis

Chemical Name: 4-methoxy-2,3,6-trimethyl-5-[(all-RS,E)-3,7,11,15-tetramethylhexadec-2-enyl]phenyl acetate

Tocopheryl Acetate EP Impurity E

CAT No: CL-TPAT-06 CAS No: NA Mol Wt: 557.1 Mol F: C40H76 Inv Status: Custom Synthesis

Chemical Name: (all-RS,all-E)-2,6,10,14,19,23,27,31-octamethyldotriaconta-12,14,18-triene

Tocopheryl acetate EP Impurity A

CAT No: CL-TPAT-08 CAS No: 2714760-45-7 Mol Wt: 472.8 Mol F: C31H52O3 Inv Status: Custom Synthesis

Chemical Name: all-rac-trans-2,3,4,6,7-pentamethyl-2-(4,8,12-trimethyltridecyl)-2,3-dihydrobenzofuran-5-yl acetate,

Tocopheryl acetate EP Impurity B

CAT No: CL-TPAT-09 CAS No: 1560716-40-6 Mol Wt: 472.8 Mol F: C31H52O3 Inv Status: Custom Synthesis

Chemical Name: all-rac-cis-2,3,4,6,7-pentamethyl-2-(4,8,12-trimethyltridecyl)-2,3-dihydrobenzofuran-5-yl acetate

Alpha Tocopheryl Acid Succinate

CAT No: CL-TPAT-10 CAS No: 4345-03-3 Mol Wt: 530.8 Mol F: C33H54O5 Inv Status: Custom Synthesis

Chemical Name: 4-Oxo-4-(((R)-2,5,7,8-tetramethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)chroman-6-yl)oxy)butanoic acid

all-rac-alpha-Tocopheryl acetate

CAT No: CL-TPAT-11 CAS No: 7695-91-2 Mol Wt: 472.8 Mol F: C31H52O3 Inv Status: Custom Synthesis

Chemical Name: all-rac-2,5,7,8-Tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydro-2H-1-benzopyran-6-yl?acetate (as per EP)

Vitamin E Impurity D

CAT No: CL-TPAT-12 CAS No: NA Mol Wt: 472.8 Mol F: C31H52O3 Inv Status: Custom Synthesis

Chemical Name: (E)-4-methoxy-2,3,6-trimethyl-5-(3,7,11-trimethylhexadec-2-en-1-yl)phenyl acetate