Product Name
L-Tryptophan
CAS Number
73-22-3
Molecular Formula
C₁₁H₁₂N₂O₂
Product Package
25kg/drum
EINECS Number
200-795-6
Shelf Life
2 Years
Technical Specifications & COA Analysis
| Testing Items |
Specifications |
Results |
| Appearance |
White crystalline powder |
Conforms |
| Loss on drying |
≤0.50% |
0.12% |
| Assay |
≥99.0% |
99.8% |
Quality Assurance Statement:
The Tested Batch Conforms strictly to standards and is certified as Qualified.
Frequently Asked Questions (FAQ)
What is L-Tryptophan and what is its CAS number?
L-Tryptophan is an essential amino acid critical for protein synthesis and neurotransmitter production. Its CAS registry number is 73-22-3 and the EINECS number is 200-795-6.
What is the standard packaging size for L-Tryptophan?
Our standard bulk commercial packaging for L-Tryptophan is 25kg per drum, designed to protect product integrity and extend shelf life during shipping and storage.
What is the shelf life and correct storage condition for L-Tryptophan?
L-Tryptophan has a shelf life of 2 years from the date of manufacture, provided it is stored in its original sealed container in a cool, dry, and dark environment.
What is the purity standard (Assay value) of this product?
The product features a high purity profile with a specification requirement of ≥99.0%. Regular batch testing delivers conformant results averaging 99.8%.
What are the appearance and loss on drying criteria?
L-Tryptophan is supplied as a white crystalline powder. The maximum standard specification limit for loss on drying is ≤0.50%, with standard actual test results falling exceptionally low around 0.12%.
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