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L (-)-Tryptofan ≥99% för biokemi

Leverantör: VWR Chemicals

Formel: C₁₁H₁₂N₂O₂
MW: 204,23 g/mol
Smältpunkt: 290 °C
Densitet: 1,34 g/cm³ (20 °C)
Storage Temperature: Omgivande
MDL Number: MFCD00064340
CAS nummer: 73-22-3
EINECS: 200-795-6
UN: 0000
Merck Index: 12,09929
Specifikation testresultat
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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Förpackningstyp Förp. VWR art.nr Antal
Plastic bottle for solids 25 g 28821.131
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