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KYL TFA, CAS No.676657-00-4(free)
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
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Why this grade
≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Storage & shipping
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
Quality documents
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Literature proof
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications
Product Name
KYL TFA, CAS No.676657-00-4(free)
Synonyms
L-Lysyl-L-tyrosyl-L-leucyl-L-prolyl-L-tyrosyl-L-tryptophyl-L-prolyl-L-valyl-L-leucyl-L-seryl-L-seryl-L-leucine trifluoroacetate salt, KYLPYWPVLSSL trifluoroacetate salt；KYL trifluoroacetate salt；KYL peptide TFA
Specifications & Purity
≥98%
Biochemical and Physiological Mechanisms
KYL is a potent and selective EphA4 receptor tyrosine kinase antagonist that inhibits EphA4-EphrinA5 interactions. KYL binds to the ephrin-binding domain of EphA4.
Sequence
KYLPYWPVLSSL
CAS
676657-00-4(free)
Molecule Type
Peptide
Storage and Shipping
Storage
Store at -20°C
Shipped In
Ice chest + Ice pads
Documentation
📋 Safety Data Sheet (SDS)
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →✅ Certificate of Analysis (COA)
Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →🔬 Specification Sheet
Full quality attributes and acceptance criteria for this grade.
View spec sheet →Advanced Data
Certificates（CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 I2203339 | Certificate of Analysis | Jun 09, 2025 | K407688 |
| I2203340 | Certificate of Analysis | Jun 09, 2025 | K407688 |
| I2203341 | Certificate of Analysis | Jun 09, 2025 | K407688 |
| I2203342 | Certificate of Analysis | Jun 09, 2025 | K407688 |
| I2203343 | Certificate of Analysis | Jun 09, 2025 | K407688 |
| I2203344 | Certificate of Analysis | Jun 09, 2025 | K407688 |
Solution Calculators
Reviews
Customer Reviews
Frequently Asked Questions
What is the purity of this product?
This product is supplied at ≥98% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.
How should this product be stored?
Store at ?20 °C. Freezer storage is required to maintain the specified shelf life.
How is this product shipped?
This product ships in an insulated container with ice pads. Unpack on arrival and transfer it to the storage condition stated above.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is 676657-00-4(free).
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.
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