USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $6.00-9.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
USD $5.00-10.00 / Gram
product name triamterene
synonyms 2,4,7-triamino-6-phenylpteridine; triamterenum
molecular formula c12h11n7
molecular weight 253.26
cas registry number 396-01-0
einecs 206-904-3
melting point 316°c
water solubility <0.1 g/100 ml at 20°c
item |
specification |
specific rotation |
+39.5 to +41.5° |
state of solution(transmittance) |
clear 98.0% min. |
chloride[cl] |
0.020% max. |
ammonium [nh4] |
0.02% max. |
sulfate[so4] |
0.020% max |
iron[fe] |
10ppm max. |
heavy metals [pb] |
10ppm max |
arsenic[as2o3] |
1ppm max |
other amino acids |
chromatographically not detectable |
loss on drying |
0.20% max. |
residue on ignition[sulfated] |
0.10% max. |
assay |
99.0% min |