L-TRYPTOPHAN USP
L-TRYPTOPHAN USP is a high-quality specialty chemical available from Penta Fine Ingredients. Sourced from trusted global suppliers and subject to rigorous quality control, this product is suitable for use across flavor, fragrance, and pharmaceutical applications. Contact our team for detailed specifications, regulatory documentation, and volume pricing.
Product details and ordering
About this item
- Product Code
- 20-86005
- CAS number
- 73-22-3
- ECHA / EC number
- 200-795-6
Pack sizes
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Technical service
Questions on specifications, applications, or documentation? Our technical staff can help.
Contact technical teamSpecification (TDS excerpt)
From technical data on file.
| Test / property | Value |
|---|---|
| MOLECULAR FORMULA | C11 H12 N2 O2 |
| MOLECULAR WEIGHT | 204.22 |
| DESCRIPTION | WHITE TO SLIGHTLY YELLOW CRYSTAL OR CRYSTALLINE POWDER |
| IDENTIFICATION | TO PASS TEST |
| ASSAY (On Dried Basis) | NOT LESS THAN 98.5% NOT MORE THAN 101.5% |
| RESIDUE ON IGNITION | NOT MORE THAN 0.1% |
| CHLORIDE | TO PASS TEST |
| SULFATE | TO PASS TEST |
| IRON | NOT MORE THAN 30 PPM |
| ORGANIC IMPURITIES (Procedure 1) | TO PASS TEST |
| ORGANIC IMPURITIES (Procedure 2) | NOT MORE THAN 10 PPM |
| SPECIFIC ROTATION | -29.4° TO -32.8° |
| pH | 5.5 - 7.0 |
| LOSS ON DRYING | NOT MORE THAN 0.3% |
| SOLUBILITY | SLIGHTLY SOLUBLE IN WATER |
| PACKING & STORAGE | PRESERVE IN WELL CLOSED CONTAINERS. |
| USP - NF PUBLICATION | USP - NF 2025, ISSUE 3 |
Allergen information
| Allergen | In product | In facility / other | Source |
|---|---|---|---|
| PEANUTS and peanut products | No | No | |
| TREE NUTS | No | No | |
| SESAME, SUNFLOWER, POPPY, COTTONSEEDS (except refined oils) | No | No | |
| MILK AND DERIVATIVES eg whey, milk, caseninate, etc. | No | No | |
| EGGS | No | No | |
| Fish and fish products | No | No | |
| SHELLFISH | No | No | |
| SOY (except refined soy oil) | No | No | |
| AUTOLYZED YEAST | No | No | |
| CEREAL PROTEINS (include HVP) | No | No | |
| FD&C YELLOW 5 | No | No | |
| SULFITES | No | No | |
| CELERY | No | No | |
| SEEDS | No | No |
Dietary suitability
VEGANS
(Do not eat meat, poultry, fish/seafood, eggs, dairy products or honey)
LACTO-VEGETARIANS
(Do not eat meat, poultry, fish/seafood, eggs, but do eat dairy products)
OVO-VEGETARIANS
(Do not eat meat, poultry, fish/seafood, dairy products, but do eat eggs)
LACTO-OVO-VEGETARIANS
(Do not eat meat, poultry, fish-seafood, but do eat eggs and dairy products)
Kosher
- Approved
- Yes
- UKD
- KFZRBQYVFJG
- Letter
- View kosher certificate
Documentation
Related documents for L-TRYPTOPHAN USP — open in a new tab from the legacy catalog.

