1000 PPM ANTIMONY ICP STD 20 Percent HCL IN TEFLON Sb2O3 in 20 Percent HCl 1000 ug/ml Antitumor antimetabolites 20% ELEMENTAL IMPURITIES: MERCURY (Hg)

20% ELEMENTAL IMPURITIES: MERCURY (Hg) AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST

400mPa LOSS ON DRYING 2

Test Specification Min Max ASSAY (C[@14@]H[@22@]N[@2@]O[@8@][-H[@2@]O) 98% 98%

20% ENANTIOMERIC PURITY 2% ORGANIC IMPURITIES TO PASS TEST TO PASS TEST ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION TO PASS TEST TO PASS TEST EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST TO PASS TEST

08% RETEST DATE

1000 PPM ANTIMONY ICP STD 20 Percent HCL IN TEFLON Sb2O3 in 20 Percent HCl 1000 ug/ml Antitumor antimetabolites 20% ELEMENTAL IMPURITIES: MERCURY (Hg)