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S Tag Peptide, TFA salt, CAS No.7429-70-1 (free base)
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GRADE & PURITY ≥95%
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Why this grade
≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Storage & shipping
Protected from light,Store at -20°C,Desiccated 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.
Overview
S Tag Peptide is a synthetic polypeptide consisting of 15 amino acid residues, which is commonly used to elute the fusion expression protein of S Tag combined with Anti-S Tag antibody by competitive binding.
Sequence (Three-Letter Code): Lys-Glu-Thr-Ala-Ala-Ala-Lys-Phe-Glu-Arg-Gln-His-Met-Asp-Ser
Sequence (One-Letter Code): KETAAAKFERQHMDS
Specifications
Product Name
S Tag Peptide, TFA salt, CAS No.7429-70-1 (free base)
Synonyms
S-tag Peptide | S Tag | S Synthetic Peptide | S Tag Peptide | S-tag Peptide
Specifications & Purity
≥95%
Sequence
KETAAAKFERQHMDS
CAS
7429-70-1 (free base)
Molecule Type
Peptide
Storage and Shipping
Storage
Protected from light,Store at -20°C,Desiccated
Shipped In
Ice chest + Ice pads
Stability And Storage
Store at -20℃ (24 months). Store in the dark. Desiccated
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 |
|---|---|---|---|
 H2528509 | Certificate of Analysis | May 21, 2025 | S750243 |
| H2528510 | Certificate of Analysis | May 21, 2025 | S750243 |
| H2528511 | Certificate of Analysis | May 21, 2025 | S750243 |
| H2528512 | Certificate of Analysis | May 21, 2025 | S750243 |
| H2528530 | Certificate of Analysis | May 21, 2025 | S750243 |
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