CERTIFICATE OF ANALYSIS

Product Name	L-TRYPTOPHAN For Biochemistry	CAS Number	73-22-3
Molecular Formula	C11H12N2O2	Catalogue No.	AL4705
Molecular Weight	204.23	Batch Number
Manufacturing Date	December-2020	Expire Date	November-2025

TYPE OF TEST	STANDARD	OBSERVED
Description Assay Heavy metals (as Pb) Ammonium (NH4) Loss on drying at 105 0C Chloride (Cl) Sulphate (SO4) Iron (Fe) Specific rotation[?]20 D (C = 1,water)	White to almost white powder 99% min 0.001% max 0.01% max 0.5% max 0.01% max 0.01% max 0.001% max - 33 to -30 0	White powder 99.84% <0.001% < 0.01% 0.17% <0.01% <0.01 <0.001 -31.5 0

Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane