L-Tryptophan | C11H12N2O2, 25 Gram

Synonym : L--Amino-3-indolepropionic acid

Molecular Formula : C11H12N2O2

Molecular Weight : 204.23

CAS No. : 73-22-3

EC No. : 200-795-6

HS Code : 2933 99 80

Shelf Life : 4 years

Technical Specification

Appearance : White to off-white crystals or powder

Solubility : 33.3 mg soluble in 1 mL of 0.5M hydrochloric acid

pH (1% in water at 25C) : 5.50 - 7.00

FTIR (KBr disc) : Matches with the standard pattern

Specific rotation : -33.0 to -29.4 (c = 1% in water at 25C)

Melting range : 280 - 285C

Iron (Fe) : <= 0.003%

Sulfate (SO4) : <= 0.03%

Chloride (Cl) : <= 0.05%

Loss on drying (at 105C, 3 hr) : <= 0.30%

Assay (HPLC/NT, on dry basis) : 98.00 - 101.50%

Note :

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L-Tryptophan | C11H12N2O2, 25 Gram

L-Tryptophan | C11H12N2O2, 25 Gram

Rp 818.301

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