L-Tryptophan,suitable for cell culture CAS 73-22-3

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CAS: 73-22-3

MF: C₁₁H₁₂N₂O₂

MW: 204.23

Product Info
Product Spec
Safety Info
Application

Product Description

Tryptophan is an alpha-amino acid that is essential in humans. It is used in the biomanufacturing of recombinant proteins and monoclonal antibodies. It is an important constituent in cell culture media.

Product Categories	Amino Acids, Biochemicals, Reagents for Cell Culture
CAS RN	73-22-3
Alternative CAS RN	-
EC Number	200-795-6
MDL Number	MFCD00064340
Storage Temperature	+20°C
Shipping Temperature	Ambient
Harmonised Tariff Code	29339980

Physical Description	White to light yellow crystals or crystalline powder
Identification (IR)	To conform to standard
Solubility	Sparingly soluble in water, slightly soluble in ethanol
Solubility (1% in 1M HCl)	Clear, colourless to yellow solution
Transmittance	≥ 95.0% (2.5% in water, 430nm, 10mm cell)
Specific Optical Rotation	-30.5 - -32.5 ° (C=1, H2O)
Chloride (Cl)	≤ 0.02%
Ammonium (NH4)	≤ 0.02%
Sulphate (SO4)	≤ 0.02%
Iron (Fe)	≤ 10ppm
Heavy Metals (as Pb)	≤ 10ppm
Arsenic (As2O3)	≤ 1ppm
Related Substances	To pass test
Loss on Drying	≤ 0.2%
Sulfated Ash	≤ 0.1%
pH	5.5 - 6.4 (1% in water)
Endotoxins	≤ 6.0EU/g
Assay	99.0 - 101.0 %
Pharmacopoeia Specification(s)	USP, EP
Origin	Non-animal origin
Specification Version	1.0