L-Proline

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Product Name: L-Proline
Batch No.: LJ******
Quality: AJI97
Shelf Life: 2years

Tests	Limits	Test results
Description	White crystals or crystalline powder	crystalline powder
Identification (IR)	Concordant with the reference spectrum	Concordant with the reference spectrum
Assay	98.5 ~101.0%	99.2%
PH	5.9 ~6.9	6. 2
Specific rotation	-84.5 ° ~-86.0 °	-85. 1 °
State of solution (Transmittance T 430 )	≥98.0%	99. 5 %
Chloride(Cl)	≤0.02%	<0.02%
Ammonium(NH 4 )	≤0.02%	<0.02%
Sulfate(SO 4 )	≤0.02%	<0.02%
Iron(Fe)	≤10ppm	<10ppm
Heavy metals(Pb)	≤10ppm	<10ppm
Arsenic(As)	≤1ppm	<1ppm
Other amino acids	≤0.5%	＜ 0.5%
Loss on drying	≤0. 2 0%	0. 18 %
Residue on ignition	≤0.10%	0.0 3 %

Product Name: L-Proline
Batch No.: LJ******
Quality: USP24
Shelf Life: 2years

Tests	Limits	Test results
Description	White crystals or crystalline powder	crystalline powder
Identification (IR)	Concordant with the reference spectrum	Concordant with the reference spectrum
Specific rotation	-84. 3 ° ~-86. 3 °	-8 5.0 °
A ssay	98.5 ~101.5%	99.8 %
Loss on drying	≤0. 4 0%	0. 18 %
Residue on ignition	≤0. 4 0%	0. 08 %
Chloride(Cl)	≤0.0 5 %	<0.0 5 %
Sulfate(SO 4 )	≤0.0 3 %	<0.0 3 %
Iron(Fe)	≤ 3 0ppm	< 3 0ppm
Heavy metals(Pb)	≤1 5 ppm	<1 5 ppm
Organic volatile impurities	Meet the requirements	Meet the requirements

Product Name: L-Proline
Batch No.: LJ******
Quality: USP37
Shelf Life: 2years

Tests	Limits	Test results
Description	White crystals or crystalline powder	crystalline powder
Identification (IR)	C oncordant with the reference spectrum	C oncordant with the reference spectrum
Specific rotation	-84. 3 ° ~ -86. 3 °	-8 5.0 °
A ssay	98.5 ~101.5%	99.8 %
Loss on drying	≤0. 4 0%	0. 18 %
Residue on ignition	≤0. 4 0%	0. 08 %
Chloride(Cl)	≤0.0 5 %	<0.0 5 %
Sulfate(SO 4 )	≤0.0 3 %	<0.0 3 %
Iron(Fe)	≤ 3 0ppm	< 3 0ppm
Heavy metals(Pb)	≤1 5 ppm	<1 5 ppm
Chromatographic purity	≤ 0.5%	＜ 0.5%
Organic volatile impurities	Meet the requirements	Meet the requirements