Phenylbutazone USP Ammonium Iodides Test Specification Min Max ACTIVITY

Test Specification Min Max ACTIVITY @ 25[dC 5 U/mg 5 U/mg SPECIFIC ACTIVITY (mg PROTEIN) 9 U/mg 9 U/mg GLYCEROL 0

13 IDENTIFICATION TO PASS TEST EXPIRATION DATE

3 % TRACEABLE TO NIST EXPIRATION DATE

00% OPTICAL ABSORBANCE OF A 9

Test Specification Min Max ASSAY (HClO[@4@]) 60

Phenylbutazone USP Ammonium Iodides Test Specification Min Max ACTIVITYTest Specification Min Max ASSAY 98. 00% 102. 00% MELTING RANGE 104?? 107?? LOSS ON DRYING 0. 50% RESIDUE ON IGNITION 0. 10% CHLORIDE (Cl) 0. 01% SULFATE 0. 01% ELEMENTAL IMPURITIES AS REPORTED IDENTIFICATION TO PASS TEST RETEST DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS TO PASS TEST