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L(-)-Tryptophan 98.5-101.5% (dried basis) USP, Multi-Compendial, J.T.Baker®

Supplier: AVANTOR PERFORMANCE MATERIALS

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Synonyms: L-α-Amino-3-indolepropionic acid , (S)-2-Amino-3-(3-indolyl)propionic acid , H-Trp-OH , L-Tryptophan , Tryptophan

2092-06EA 51938.46 INR InStock
2092-06 2092-07
L(-)-Tryptophan 98.5-101.5% (dried basis) USP, Multi-Compendial, J.T.Baker®
L(-)-Tryptophan
  • Food GMP manufactured product


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
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Specification Test Results
GMP Manufactured Product
Meets J.P. Chemical Specifications
Meets E.P. Chemical Specifications
Meets U.S.P Requirements
Preserve in well-closed containers.
Store in well-closed,light-resistant containers
CAUTION: For Manufacturing, processing or repackaging
Bulk Pharmaceutical Chemical
USP - Assay (C₁₁H₁₂N₂O₂) (dried basis) 98.5 - 101.5 %
USP - Identification Passes Test
USP - Specific Rotation [Å]²⁵ ^D -32.8 - -29.4 Degree
USP - pH 5.5 - 7.0
USP - Loss on Drying at 105°C ≤0.3 %
USP - Residue on Ignition ≤0.1 %
USP - Chloride (Cl) ≤0.05 %
USP - Sulfate (SO₄) ≤0.03 %
USP - Iron (Fe) ≤0.003 %
USP - Organic Impurities - Total Impurities 1 ≤0.01 %
USP - Organic Impurities - Total Impurities 2 ≤0.03 %
USP - Organic Impurities - Tryptophan Related Compound A ≤10 ppm
JP - Assay (C₁₁H₁₂N₂O₂) (dried basis) 98.5 - 101.0 %
JP - Identification Passes Test
JP - Specific Rotation [Å]²º^D -33.0 - -30.0 Degree
JP - pH 5.4 - 6.4
JP - Clarity and Color of Solution Passes Test
JP - Chloride (Cl) ≤0.021 %
JP - Sulfate (SO₄) ≤0.028 %
JP - Ammonium (NH₄) ≤0.02 %
JP - Heavy Metals (as Pb) ≤20 ppm
JP - Arsenic (As) ≤2 ppm
JP - Related Substances Passes Test
JP - Loss on Drying at 105°C ≤0.30 %
JP - Residue on Ignition ≤0.10 %
Endotoxin Concentration, IU/mg, For Information Only
EP - Identification A Passes Test
EP - Identification B Passes Test
EP - Appearance of Solution Passes Test
EP - Specific Optical Rotation [Å]²º^D -33.0 - -30.0 Degree
EP/BP-Ninhydrin-Positive Substances-Each ≤0.2 %
EP/BP-Ninhydrin-Positive Substances-Total Impurities ≤0.5 %
EP - 1,1'Ethylidenebistryptophan ≤10 ppm
EP - Sum of the Areas less than Tryptophan® ≤100 ppm
EP - Sum of the Areas greater than Tryptophan® ≤300 ppm
EP - Chloride (Cl) ≤200 ppm
EP - Sulfate (SO₄) ≤300 ppm
EP/BP - Ammonium (NH₄) ≤0.02 %
EP - Iron (Fe) ≤20 ppm
EP - Loss on Drying at 105°C ≤0.5 %
EP - Sulfated Ash ≤0.1 %
EP - Assay (C₁₁H₁₂N₂O₂) (dried basis) 98.5 - 101.0 %
Only Class 2 Solvents (Methanol) are likely to be present. All are
below Option 1 limits.
Elemental Impurities (USP (232), EP 5.20) - Information on elemental
impurities for this product is available on the associated Product
Regulatory Data Sheet and elemental impurity profile report.

 

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