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L(-)-Tryptophan ≥99% for biochemistry

Supplier: VWR Chemicals
Synonyms: H-Trp-OH

Formula: C₁₁H₁₂N₂O₂
MW: 204,23 g/mol
Melting Pt: 290 °C
Density: 1,34 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00064340
CAS Number: 73-22-3
EINECS: 200-795-6
UN: 0000
Merck Index: 12,09929
Specification Test Results
Assay Min. 99 %
Specific optical rotation (5 %; HCl 1 N) 1.5 - 2.5 °
Foreign amino acids Max. 0.3 %
Heavy metals (as Pb) Max. 10 ppm
Ninhydrin-positive substances (glycine) Max. 0.1 %
NH4 (Ammonium) Max. 100 ppm



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Pack type Pk VWR Catalog Number Quantity
Plastic bottle for solids 25 g VWRC28821.131
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