Specifications:

Appearance: White Crystalline Powder
Identification (A, B): Pass Test
Assay (Titration, dried basis): 99.0 - 100.5 %
Alcohol- Insoluble Matter: ≤ 0.04 %
Chloride (Cl): ≤ 0.007 %
Endotoxin: ≤ 0.003 Units/mg
Heavy Metals (as Pb): ≤ 0.002 %
Individual Unspecified Impurities: ≤ 0.1 %
Insoluble Matter: ≤ 0.04 %
Melting Point : 132 - 135 oC
Residual Solvents USP 467: Meets requirments
Residue on Ignition: ≤ 0.1 %
Sterility : Meet Requirements
Sulfate (SO4): ≤ 0.010 %
Total impurities: ≤ 2.0 %
Urea Related Compound A: ≤ 0.1 %

The RPI brand has been serving the scientific community since 1970. Our ISO 9001:2015 and ISO GMP certifications are a testament to our dedication to quality.