Tos-Phe-OH CAS 13505-32-3 Purity ≥98.0% (HPLC) High Quality
Ruifu Chemical is the leading supplier of N-(p-Toluenesulfonyl)-L-Phenylalanine (Tos-Phe-OH) (CAS: 13505-32-3) with high quality. Ruifu Chemical has been supplying pharmaceutical intermediates more than 15 years.
Ruifu Chemical can provide worldwide delivery, competitive price, excellent service.
Purchase Tos-Phe-OH, please contact us by e-mail: alvin@ruifuchem.com
Chemical Name | N-(p-Toluenesulfonyl)-L-Phenylalanine |
Synonyms | Tos-Phe-OH; Tos-L-Phe-OH; Tosyl-L-Phenylalanine; Tos-Phenylalanine-OH; Tos-L-Phenylalanine-OH; N-(p-Tosyl)-L-Phenylalanine; N-alpha-p-Toluolsulfonyl-L-Phenylalanine |
CAS Number | 13505-32-3 |
Stock Status | In Stock, Production Scale Up to Tons |
Molecular Formula | C16H17NO4S |
Molecular Weight | 319.38 |
Store Under Inert Gas | Store Under Inert Gas |
Sensitive | Moisture Sensitive |
Melting Point | 163.0 to 167.0℃ |
Density | 1.303±0.06 g/cm3 |
Specific rotation [a]20/D | -2.5° to -3.0° (C=4.5, Acetone) |
Solubility in Hot EtOH | Almost Transparency |
Shelf Life | 24 Months When Properly Stored |
COA & MSDS | Available |
Origin of Product | Shanghai, China |
Product Categories | Pharmaceutical Intermediates; Amino Acids |
Brand | Ruifu Chemical |
Item | Specifications |
Appearance | White or Off-White Crystalline Powder |
Purity / Analysis Method | ≥98.0% (HPLC) |
Specific Rotation [a]20/D | -2.5°~-3.0° (C=4.5, Acetone) |
Melting Point | 160.0 ~ 170.0℃ |
Moisture (K.F) | ≤0.50% |
Total Impurities | ≤2.00% |
NMR Spectrum 1H | Conforms to Structure |
Test Standard | Enterprise Standard |
Package: Fluorinated bottle, aluminium foil bag, 25kg/cardboard drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed. Store in a cool, dry (2-8℃) and well-ventilated warehouse away from incompatible substances. Keep away from sunshine; avoid fire and heat sources; avoid moisture.
Shipping: Deliver to worldwide by air, by sea, by FedEx / DHL Express. Provide fast and reliable delivery.


Safety Description | 24/25 - Avoid contact with skin and eyes |
HS Code | 2922491990 |
Hazard Class | IRRITANT |
Tos-Phe-OH (CAS 13505-32-3) can be used in the manufacture of APIs (active pharmaceutical ingredients) or other pharmaceutical intermediates. Tos-Phe-OH is used in the synthesise of peptides and used in pharmaceutical development and drug discovery research.
Tos-Phe-OH has been used as a building block for peptide and protein synthesis, as a substrate for enzyme-catalyzed reactions, and as a reagent in organic synthesis. It has also been used as a fluorescent probe in biochemical assays and as a pharmacological agent in the treatment of certain diseases.
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