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Specifications

Catalog #	H9110-05
pH	5.0 to 6.5
	Specific Rotation (C=4, H2O): -74.0° to -77.0°
	Loss on Drying: 0.2%
	Residue on Ignition: 0.1%
	Ammonium: 0.02%
	Chloride: 0.02%
	Sulfate: 0.02%
	Arsenic: 0.0001%
	Heavy Metals (Pb): 0.001%
	Endotoxin: 2Eu/mg
CAS Number	51-35-4
Molecular Formula	C5H9NO3
Molecular Weight	131.13
Purity	99%
Form	White to off-white crystalline powder
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate names	trans-4-Hydroxy-L-Proline; L-4-Hydroxy-pyrrolidinecarboxylic acid