S P E C I F I C A T I O N S

THYMINE, 99%

Synonyms:				        5-Methyluracil;  2,4-Dihydroxy-5-
						        methylpyrimidine; 5-Methyl-2,4
						        (1H, 3H)-pyrimidinedione

CAS No:					65-71-4

Formula:					C5H6N2O2

F.W.:						126.11

Appearance:					White to off-white crystalline powder

Assay:						~99.0 % 

Loss on drying:				0.5%  maximum

Melting Range:				320 – 330 Deg. C

Heavy metals (as Pb):			10 ppm  maximum

Solubility:					Clear colorless to very faint yellow
						solution at 50 mg/ml in 1M Sodium
						Hydroxide.

Effective: 12/16/2008