L-Cysteine size:1 KG 0016 meq SUBSTANCES DARKENED BY

0016 meq SUBSTANCES DARKENED BY (H[@2@]SO[@4@]) TO PASS TEST TO PASS TEST WATER 0

10% ELEMENTAL IMPURITIES AS REPORTED AS REPORTED IDENTIFICATION (A) SPECTRUM SPECTRUM IDENTIFICATION (B) POSITIVE POSITIVE EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE RESIDUAL SOLVENTS AS REPORTED

C[@12@]H[@22@]O[@2@]) 5

1 M SOLUTION @ 280 nm 0

Test Specification Min Max ASSAY 95% 95% VITAMIN C CONTENT 45

L-Cysteine size:1 KG 0016 meq SUBSTANCES DARKENED BYTest Specification Min Max ASSAY (C[@3@]H[@7@]NO[@2@]S) 98 102. 00% SPECIFIC ROTATION, [a] (C=8; 1N HCl) +7. 0 to +9. 0 +7. 0 to +9. 0 TRANSMITTANCE 95% AMMONIUM (NH[@4@]) 0. 02% ARSENIC (As) 0. 00% CHLORIDE (Cl) 0. 05% HEAVY METALS (as Pb) 0. 00% IRON (Fe) 0. 00% LOSS ON DRYING 0. 50% RESIDUE AFTER IGNITION 0. 20% SULFATES (SO[@4@]) 0. 03% EXPIRATION DATE DATE OF MANUFACTURE APPEARANCE